{"id":76071,"date":"2024-09-08T05:40:44","date_gmt":"2024-09-08T02:10:44","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/"},"modified":"2024-09-08T05:40:44","modified_gmt":"2024-09-08T02:10:44","slug":"optimize-react-application-7a7","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/","title":{"rendered":"\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc React Application &#8211; DEV Community"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang<br \/>\n            \u0628\u0631\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0627\u0644\u0641 \u0648\u0627\u06a9\u0646\u0634 \u0646\u0634\u0627\u0646 \u062f\u0647\u06cc\u062f \u0628\u0631\u0646\u0627\u0645\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u06a9\u0627\u0647\u0634 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0633\u062a\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc\u060c \u0631\u0646\u062f\u0631 \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0644\u06cc \u06a9\u0627\u0631\u0628\u0631 \u062a\u0645\u0631\u06a9\u0632 \u062f\u0627\u0631\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062e\u0644\u0627\u0635\u0647 \u0627\u06cc \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062e\u0627\u0635 React \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p>  1. \u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f<\/p>\n<p>\u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u062a\u06a9\u0647 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0634\u0648\u0646\u062f\u060c \u0646\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u06cc\u06a9\u062c\u0627 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0628\u0647\u0628\u0648\u062f \u0632\u0645\u0627\u0646 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u0648\u0627\u06a9\u0646\u0634 \u0646\u0634\u0627\u0646 \u0628\u062f\u0647 \u062a\u0646\u0628\u0644: \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u062f\u0627\u062e\u0644\u06cc React \u0628\u0631\u0627\u06cc \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u067e\u0648\u06cc\u0627 \u0645\u0624\u0644\u0641\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  const LazyComponent = React.lazy(() =&gt; import(&#8216;.\/Component&#8217;));<\/p>\n<p>  function App() {<br \/>\n    return (<br \/>\n      React.Suspense fallback={div&gt;Loading&#8230;div&gt;}&gt;<br \/>\n        LazyComponent \/&gt;<br \/>\n      React.Suspense&gt;<br \/>\n    );<br \/>\n  }<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>React Loadable: \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u0642\u0627\u0628\u0644 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0628\u0627 \u0648\u0627\u06a9\u0646\u0634 \u0628\u0631\u0627\u06cc \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f.<\/p>\n<p>  2. \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u06a9\u0631\u062f\u0646 \u0648 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc<\/p>\n<p>\u0627\u062c\u062a\u0646\u0627\u0628 \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc React \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a.<\/p>\n<p>React.memo: \u0627\u062c\u0632\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0631\u0627 \u0628\u0627 React.memo \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0631\u0646\u062f\u0631 \u0645\u062c\u062f\u062f \u0622\u0646\u0647\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0631\u062f\u0646 \u0642\u0637\u0639\u0627\u062a.<\/p>\n<p>  const MyComponent = React.memo(({ value }) =&gt; {<br \/>\n    return div&gt;{value}div&gt;;<br \/>\n  });<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>useMemo: \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u06af\u0631\u0627\u0646 \u0642\u06cc\u0645\u062a \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631\u06cc\u062f \u062a\u0627 \u062f\u0631 \u0647\u0631 \u0631\u0646\u062f\u0631\u060c \u0645\u06af\u0631 \u062f\u0631 \u0645\u0648\u0627\u0631\u062f \u0636\u0631\u0648\u0631\u06cc\u060c \u062f\u0648\u0628\u0627\u0631\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0646\u0634\u0648\u0646\u062f.<\/p>\n<p>  const computedValue = useMemo(() =&gt; expensiveComputation(value), [value]);<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0628\u0631\u06af\u0634\u062a \u062a\u0645\u0627\u0633: \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0627\u0631\u0633\u0627\u0644 \u0645\u0631\u0627\u062c\u0639 \u062c\u062f\u06cc\u062f \u062f\u0631 \u0647\u0631 \u0628\u0627\u0631 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062f\u0631 \u0645\u0624\u0644\u0641\u0647 \u0647\u0627 \u06cc\u0627 \u062c\u0644\u0648\u0647 \u0647\u0627\u06cc \u0641\u0631\u0632\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>  const handleClick = useCallback(() =&gt; {<br \/>\n    console.log(&#8216;Clicked&#8217;);<br \/>\n  }, []);<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  3. \u0627\u0632 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0648\u0636\u0639\u06cc\u062a \u0628\u0647 \u06af\u0648\u0646\u0647 \u0627\u06cc \u06a9\u0647 \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0634\u0648\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u062a\u0627 \u062d\u062f \u0632\u06cc\u0627\u062f\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u062f.<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647: \u0628\u0631\u0627\u06cc \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f useReducer \u0628\u0647 \u062c\u0627\u06cc useState \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0631 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062d\u0627\u0644\u062a<\/p>\n<p>  const [state, dispatch] = useReducer(reducer, initialState);<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062a\u0642\u0633\u06cc\u0645 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a: \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0647\u0627 \u0631\u0627 \u0628\u0647 \u06af\u0648\u0646\u0647 \u0627\u06cc \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u062a\u063a\u06cc\u06cc\u0631 \u062d\u0627\u0644\u062a\u060c \u0641\u0642\u0637 \u0642\u0633\u0645\u062a \u0636\u0631\u0648\u0631\u06cc \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0634\u0648\u062f.<\/p>\n<p>  4. \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc<\/p>\n<p>\u0631\u0646\u062f\u0631 \u06a9\u0631\u062f\u0646 \u0644\u06cc\u0633\u062a \u0647\u0627 \u06cc\u0627 \u062c\u062f\u0627\u0648\u0644 \u0637\u0648\u0644\u0627\u0646\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u062f. \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc \u0644\u06cc\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0641\u0642\u0637 \u0622\u0646\u0686\u0647 \u0631\u0627 \u06a9\u0647 \u0631\u0648\u06cc \u0635\u0641\u062d\u0647 \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0627\u0633\u062a \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u062f.<\/p>\n<p>\u067e\u0646\u062c\u0631\u0647 \u0648\u0627\u06a9\u0646\u0634 \u06cc\u0627 \u0648\u0627\u06a9\u0646\u0634 \u0645\u062c\u0627\u0632\u06cc \u0634\u062f\u0647: \u0627\u06cc\u0646 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc \u062f\u0647\u0646\u062f \u06a9\u0647 \u0628\u0627 \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc \u0644\u06cc\u0633\u062a \u0647\u0627\u060c \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u062f.<\/p>\n<p>  import { FixedSizeList as List } from &#8216;react-window&#8217;;<\/p>\n<p>  const MyList = ({ items }) =&gt; (<br \/>\n    List<br \/>\n      height={500}<br \/>\n      itemCount={items.length}<br \/>\n      itemSize={35}<br \/>\n      width={300}<br \/>\n    &gt;<br \/>\n      {({ index, style }) =&gt; div style={style}&gt;{items[index]}div&gt;}<br \/>\n    List&gt;<br \/>\n  );<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  5. \u062a\u06a9\u0627\u0646 \u062f\u0627\u062f\u0646 \u062f\u0631\u062e\u062a<\/p>\n<p>\u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0641\u0642\u0637 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc\u06cc \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647\u200c\u0647\u0627 \u0631\u0627 \u0648\u0627\u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0633\u062a\u0647\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n<p>\u0648\u0627\u0631\u062f\u0627\u062a ES6: \u0641\u0642\u0637 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u062e\u0648\u062f \u0631\u0627 \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627 (\u0645\u0627\u0646\u0646\u062f lodash\u060c moment.js \u0648 \u063a\u06cc\u0631\u0647) \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f \u062a\u0627 \u06a9\u0644 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647.<\/p>\n<p>  \/\/ Instead of this:<br \/>\n  import _ from &#8216;lodash&#8217;;<\/p>\n<p>  \/\/ Do this:<br \/>\n  import debounce from &#8216;lodash\/debounce&#8217;;<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  6. \u062a\u0635\u0627\u0648\u06cc\u0631 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644<\/p>\n<p>\u062a\u0635\u0627\u0648\u06cc\u0631 \u0627\u063a\u0644\u0628 \u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u062f\u0627\u0631\u0627\u06cc\u06cc \u06cc\u06a9 \u0635\u0641\u062d\u0647 \u0647\u0633\u062a\u0646\u062f. \u0627\u0632 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u0628\u0631\u0627\u06cc \u0628\u0647 \u062a\u0627\u062e\u06cc\u0631 \u0627\u0646\u062f\u0627\u062e\u062a\u0646 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u062a\u0635\u0627\u0648\u06cc\u0631 \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062f\u0631 \u0642\u0633\u0645\u062a \u062f\u06cc\u062f \u0642\u0631\u0627\u0631 \u06af\u06cc\u0631\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0648\u0627\u06a9\u0646\u0634 \u062a\u0646\u0628\u0644\u06cc: \u0627\u0632 \u0648\u0627\u06a9\u0646\u0634 \u062a\u0646\u0628\u0644\u06cc \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0633\u0627\u062f\u0647 \u0648 \u062a\u0646\u0628\u0644 \u062a\u0635\u0627\u0648\u06cc\u0631.<\/p>\n<p>  import LazyLoad from &#8216;react-lazyload&#8217;;<\/p>\n<p>  const ImageComponent = () =&gt; (<br \/>\n    LazyLoad height={200} once&gt;<br \/>\n      img src=&#8221;image-url.jpg&#8221; alt=&#8221;example&#8221; \/&gt;<br \/>\n    LazyLoad&gt;<br \/>\n  );<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0646\u0627\u0638\u0631 \u062a\u0642\u0627\u0637\u0639: \u0634\u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f Intersection Observer API \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644\u06cc \u062a\u0635\u0627\u0648\u06cc\u0631 \u0647\u0646\u06af\u0627\u0645 \u0645\u0634\u0627\u0647\u062f\u0647 \u0622\u0646\u0647\u0627.<\/p>\n<p>  const LazyImage = ({ src, alt }) =&gt; {<br \/>\n    const [inView, setInView] = useState(false);<br \/>\n    const imgRef = useRef(null);<\/p>\n<p>    useEffect(() =&gt; {<br \/>\n      const observer = new IntersectionObserver(([entry]) =&gt; {<br \/>\n        if (entry.isIntersecting) {<br \/>\n          setInView(true);<br \/>\n          observer.disconnect();<br \/>\n        }<br \/>\n      });<br \/>\n      observer.observe(imgRef.current);<br \/>\n    }, []);<\/p>\n<p>    return img ref={imgRef} src={inView ? src : &#8221;} alt={alt} \/&gt;;<br \/>\n  };<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  7. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u06a9\u0648\u0686\u06a9 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u062a\u0631\u0633\u0631 \u06cc\u0627 \u06a9\u0648\u0686\u06a9 \u0633\u0627\u0632\u06cc \u062f\u0627\u062e\u0644\u06cc Webpack \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0627\u0646\u062f\u0644 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631 \u0637\u0648\u0644 \u0641\u0631\u0622\u06cc\u0646\u062f \u0633\u0627\u062e\u062a.<br \/>\n\u0628\u0631\u0646\u0627\u0645\u0647 React \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u06a9\u062f\u0647\u0627\u06cc \u0633\u0627\u062e\u062a \u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f\u06cc \u0631\u0627 \u06a9\u0648\u0686\u06a9 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<p>  npm run build<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  8. \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0628\u0633\u062a\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc<\/p>\n<p>\u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062e\u0648\u062f \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0645\u0646\u0627\u0637\u0642\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0631 \u0622\u0646\u200c\u0647\u0627 \u067e\u06cc\u0634\u0631\u0641\u062a \u06a9\u0646\u06cc\u062f\u060c \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f webpack-bundle-analyzer \u062a\u0627 \u0628\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u062a\u062c\u0633\u0645 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0628\u06cc\u0646\u06cc\u062f \u06a9\u062f\u0627\u0645 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647\u200c\u0647\u0627 \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0641\u0636\u0627 \u0631\u0627 \u0627\u0634\u063a\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<p>  npm install &#8211;save-dev webpack-bundle-analyzer<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062f\u0631 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc Webpack \u0634\u0645\u0627:<\/p>\n<p>  const { BundleAnalyzerPlugin } = require(&#8216;webpack-bundle-analyzer&#8217;);<br \/>\n  module.exports = {<br \/>\n    plugins: [<br \/>\n      new BundleAnalyzerPlugin()<br \/>\n    ]\n  };<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  9. CSS \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u06cc\u062f<\/p>\n<p>\u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f PurgeCSS \u0628\u0631\u0627\u06cc \u062d\u0630\u0641 CSS \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0632 \u0628\u0633\u062a\u0647 \u062e\u0648\u062f. \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc Webpack \u06cc\u0627 PostCSS \u062e\u0648\u062f \u0627\u062f\u063a\u0627\u0645 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  npm install @fullhuman\/postcss-purgecss<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc PostCSS:<\/p>\n<p>  const purgecss = require(&#8216;@fullhuman\/postcss-purgecss&#8217;)({<br \/>\n    content: [&#8216;.\/src\/**\/*.js&#8217;, &#8216;.\/public\/index.html&#8217;],<br \/>\n    defaultExtractor: content =&gt; content.match(\/[\\w-\/:]+(?!:)\/g) || []\n  });<\/p>\n<p>  module.exports = {<br \/>\n    plugins: [<br \/>\n      require(&#8216;tailwindcss&#8217;),<br \/>\n      purgecss,<br \/>\n      require(&#8216;autoprefixer&#8217;)<br \/>\n    ]\n  };<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  10. \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0634\u0628\u06a9\u0647<\/p>\n<p>\u06a9\u0627\u0647\u0634 \u062a\u0639\u062f\u0627\u062f \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0634\u0628\u06a9\u0647 \u0648 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062a\u0645\u0627\u0633 \u0647\u0627\u06cc API \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc API \u062f\u0631 \u062d\u0627\u0644 \u062d\u0630\u0641: \u0628\u0631\u0627\u06cc \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u062a\u0639\u062f\u0627\u062f \u062f\u0641\u0639\u0627\u062a \u0627\u0631\u0633\u0627\u0644 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc API \u062f\u0631 \u0637\u0648\u0644 \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631\u060c \u0627\u0632 debouncing \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  const fetchResults = debounce((query) =&gt; {<br \/>\n    \/\/ API call logic<br \/>\n  }, 300);<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc API: \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f SWR \u06cc\u0627 React Query \u0628\u0631\u0627\u06cc \u06a9\u0634 \u06a9\u0631\u062f\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc API \u0648 \u0627\u062c\u062a\u0646\u0627\u0628 \u0627\u0632 \u0648\u0627\u06a9\u0634\u06cc \u0645\u062c\u062f\u062f \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc.<\/p>\n<p>  import useSWR from &#8216;swr&#8217;;<\/p>\n<p>  const fetcher = url =&gt; fetch(url).then(res =&gt; res.json());<\/p>\n<p>  const MyComponent = () =&gt; {<br \/>\n    const { data, error } = useSWR(&#8216;\/api\/data&#8217;, fetcher);<\/p>\n<p>    if (error) return div&gt;Error loading datadiv&gt;;<br \/>\n    if (!data) return div&gt;Loading&#8230;div&gt;;<br \/>\n    return div&gt;{data.message}div&gt;;<br \/>\n  };<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  11. \u0627\u0632 React Fragments \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0632 \u0627\u0641\u0632\u0648\u062f\u0646 \u0639\u0646\u0627\u0635\u0631 \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0628\u0647 DOM \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f React Fragments ( and &gt;) \u0647\u0646\u06af\u0627\u0645 \u0628\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0639\u0646\u0635\u0631.<\/p>\n<p>const MyComponent = () =&gt; (<\/p>\n<p>    h1&gt;Titleh1&gt;<br \/>\n    p&gt;Contentp&gt;<br \/>\n  &gt;<br \/>\n);<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>  12. \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0648 \u062a\u0633\u062a \u0639\u0645\u0644\u06a9\u0631\u062f<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f React Developer Tools \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0628\u0631\u0627\u06cc \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06af\u0644\u0648\u06af\u0627\u0647 \u0647\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627.<\/p>\n<p>React Profiler: \u062f\u0631 \u06a9\u0631\u0648\u0645 \u06cc\u0627 \u0641\u0627\u06cc\u0631\u0641\u0627\u06a9\u0633\u060c React DevTools \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0647 \u0628\u0631\u06af\u0647 \u00abProfiler\u00bb \u0628\u0631\u0648\u06cc\u062f. \u06cc\u06a9 \u062c\u0644\u0633\u0647 \u0631\u0627 \u0636\u0628\u0637 \u06a9\u0646\u06cc\u062f \u0648 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0627\u062c\u0632\u0627\u06cc \u0633\u0627\u0632\u0646\u062f\u0647 \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0645\u06cc \u0634\u0648\u0646\u062f \u0648 \u0632\u0645\u0627\u0646 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0635\u0631\u0641 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/p>\n<p>\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 React \u0646\u06cc\u0627\u0632\u0645\u0646\u062f \u062a\u0648\u062c\u0647 \u062f\u0642\u06cc\u0642 \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0627\u0646\u062f\u0644 \u0648 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0631\u0646\u062f\u0631 \u0627\u0633\u062a. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f\u060c \u062d\u0627\u0641\u0638\u0647\u200c\u06af\u0630\u0627\u0631\u06cc\u060c \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644\u060c \u062a\u06a9\u0627\u0646 \u062f\u0627\u062f\u0646 \u062f\u0631\u062e\u062a \u0648 \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u0631\u0633\u0627\u0646\u062f\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0634\u0628\u06a9\u0647\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0645\u06cc\u0632\u0627\u0646 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u06cc\u062f. \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0646\u0638\u0645 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0647\u0631 \u06af\u0648\u0646\u0647 \u0646\u0627\u06a9\u0627\u0631\u0622\u0645\u062f\u06cc \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<div data-article-id=\"1991392\" id=\"article-body\">\n<p>\u0628\u0631\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0627\u0644\u0641 <strong>\u0648\u0627\u06a9\u0646\u0634 \u0646\u0634\u0627\u0646 \u062f\u0647\u06cc\u062f<\/strong> \u0628\u0631\u0646\u0627\u0645\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u06a9\u0627\u0647\u0634 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0633\u062a\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc\u060c \u0631\u0646\u062f\u0631 \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0644\u06cc \u06a9\u0627\u0631\u0628\u0631 \u062a\u0645\u0631\u06a9\u0632 \u062f\u0627\u0631\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062e\u0644\u0627\u0635\u0647 \u0627\u06cc \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062e\u0627\u0635 React \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter-rtl ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#1_%D8%AA%D9%82%D8%B3%DB%8C%D9%85_%DA%A9%D8%AF\" >1. \u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#2_%DB%8C%D8%A7%D8%AF%D8%AF%D8%A7%D8%B4%D8%AA_%DA%A9%D8%B1%D8%AF%D9%86_%D9%88_%D8%AC%D9%84%D9%88%DA%AF%DB%8C%D8%B1%DB%8C_%D8%A7%D8%B2_%D8%B1%D9%86%D8%AF%D8%B1%D9%87%D8%A7%DB%8C_%D8%BA%DB%8C%D8%B1_%D8%B6%D8%B1%D9%88%D8%B1%DB%8C\" >2. \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u06a9\u0631\u062f\u0646 \u0648 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#3_%D8%A7%D8%B2_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D8%AF%D9%88%D9%84%D8%AA%DB%8C_%DA%A9%D8%A7%D8%B1%D8%A2%D9%85%D8%AF_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >3. \u0627\u0632 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#4_%D9%85%D8%AC%D8%A7%D8%B2%DB%8C_%D8%B3%D8%A7%D8%B2%DB%8C_%D9%84%DB%8C%D8%B3%D8%AA_%D9%87%D8%A7%DB%8C_%D8%B7%D9%88%D9%84%D8%A7%D9%86%DB%8C\" >4. \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#5_%D8%AA%DA%A9%D8%A7%D9%86_%D8%AF%D8%A7%D8%AF%D9%86_%D8%AF%D8%B1%D8%AE%D8%AA\" >5. \u062a\u06a9\u0627\u0646 \u062f\u0627\u062f\u0646 \u062f\u0631\u062e\u062a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#6_%D8%AA%D8%B5%D8%A7%D9%88%DB%8C%D8%B1_%D8%A8%D8%A7%D8%B1%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C_%D8%AA%D9%86%D8%A8%D9%84\" >6. \u062a\u0635\u0627\u0648\u06cc\u0631 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#7_%D8%AC%D8%A7%D9%88%D8%A7_%D8%A7%D8%B3%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA_%D8%B1%D8%A7_%DA%A9%D9%88%DA%86%DA%A9_%DA%A9%D9%86%DB%8C%D8%AF\" >7. \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u06a9\u0648\u0686\u06a9 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#8_%D8%AA%D8%AC%D8%B2%DB%8C%D9%87_%D9%88_%D8%AA%D8%AD%D9%84%DB%8C%D9%84_%D8%A8%D8%B3%D8%AA%D9%87_%D9%86%D8%B1%D9%85_%D8%A7%D9%81%D8%B2%D8%A7%D8%B1%DB%8C\" >8. \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0628\u0633\u062a\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#9_CSS_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D9%86%D8%B4%D8%AF%D9%87_%D8%B1%D8%A7_%DA%A9%D8%A7%D9%87%D8%B4_%D8%AF%D9%87%DB%8C%D8%AF\" >9. CSS \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#10_%D8%A8%D9%87%DB%8C%D9%86%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D8%AF%D8%B1%D8%AE%D9%88%D8%A7%D8%B3%D8%AA_%D9%87%D8%A7%DB%8C_%D8%B4%D8%A8%DA%A9%D9%87\" >10. \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0634\u0628\u06a9\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#11_%D8%A7%D8%B2_React_Fragments_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >11. \u0627\u0632 React Fragments \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#12_%D9%BE%D8%B1%D9%88%D9%81%D8%A7%DB%8C%D9%84_%D9%88_%D8%AA%D8%B3%D8%AA_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF\" >12. \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0648 \u062a\u0633\u062a \u0639\u0645\u0644\u06a9\u0631\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nabfollower.com\/blog\/optimize-react-application-7a7\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\" >\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"1_%D8%AA%D9%82%D8%B3%DB%8C%D9%85_%DA%A9%D8%AF\"><\/span>\n<p>  1. <strong>\u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u062a\u06a9\u0647 \u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0634\u0648\u0646\u062f\u060c \u0646\u0647 \u0627\u06cc\u0646\u06a9\u0647 \u06a9\u0644 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u06cc\u06a9\u062c\u0627 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0628\u0627\u0639\u062b \u0628\u0647\u0628\u0648\u062f \u0632\u0645\u0627\u0646 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<ul>\n<li>\n<strong>\u0648\u0627\u06a9\u0646\u0634 \u0646\u0634\u0627\u0646 \u0628\u062f\u0647 \u062a\u0646\u0628\u0644<\/strong>: \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u062f\u0627\u062e\u0644\u06cc React \u0628\u0631\u0627\u06cc \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u067e\u0648\u06cc\u0627 \u0645\u0624\u0644\u0641\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"kd\">const<\/span> <span class=\"nx\">LazyComponent<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nf\">lazy<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">import<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/Component<\/span><span class=\"dl\">'<\/span><span class=\"p\">));<\/span>\n\n  <span class=\"kd\">function<\/span> <span class=\"nf\">App<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\n      <span class=\"p\"><span class=\"nc\">React<\/span><span class=\"p\">.<\/span><span class=\"nc\">Suspense<\/span> <span class=\"na\">fallback<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"p\"><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>Loading...<span class=\"p\"\/><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>\n        <span class=\"p\"><span class=\"nc\">LazyComponent<\/span> <span class=\"p\">\/&gt;<\/span>\n      <span class=\"p\"\/><span class=\"nc\">React<\/span><span class=\"p\">.<\/span><span class=\"nc\">Suspense<\/span><span class=\"p\">&gt;<\/span>\n    <span class=\"p\">);<\/span>\n  <span class=\"p\">}<\/span>\n<\/span><\/span><\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>React Loadable<\/strong>: \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <strong>\u0642\u0627\u0628\u0644 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0628\u0627 \u0648\u0627\u06a9\u0646\u0634<\/strong> \u0628\u0631\u0627\u06cc \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2_%DB%8C%D8%A7%D8%AF%D8%AF%D8%A7%D8%B4%D8%AA_%DA%A9%D8%B1%D8%AF%D9%86_%D9%88_%D8%AC%D9%84%D9%88%DA%AF%DB%8C%D8%B1%DB%8C_%D8%A7%D8%B2_%D8%B1%D9%86%D8%AF%D8%B1%D9%87%D8%A7%DB%8C_%D8%BA%DB%8C%D8%B1_%D8%B6%D8%B1%D9%88%D8%B1%DB%8C\"><\/span>\n<p>  2. <strong>\u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u06a9\u0631\u062f\u0646 \u0648 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u062c\u062a\u0646\u0627\u0628 \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc React \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0627\u0633\u062a.<\/p>\n<ul>\n<li>\n<strong>React.memo<\/strong>: \u0627\u062c\u0632\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0631\u0627 \u0628\u0627 <code>React.memo<\/code> \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0631\u0646\u062f\u0631 \u0645\u062c\u062f\u062f \u0622\u0646\u0647\u0627 \u062f\u0631 \u0635\u0648\u0631\u062a \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0631\u062f\u0646 \u0642\u0637\u0639\u0627\u062a.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"kd\">const<\/span> <span class=\"nx\">MyComponent<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nf\">memo<\/span><span class=\"p\">(({<\/span> <span class=\"nx\">value<\/span> <span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">return<\/span> <span class=\"p\"><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span><span class=\"si\">{<\/span><span class=\"nx\">value<\/span><span class=\"si\">}<\/span><span class=\"p\"\/><span class=\"nt\">div<\/span><span class=\"p\">&gt;;<\/span>\n  <span class=\"p\">});<\/span>\n<\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>useMemo<\/strong>: \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u06af\u0631\u0627\u0646 \u0642\u06cc\u0645\u062a \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631\u06cc\u062f \u062a\u0627 \u062f\u0631 \u0647\u0631 \u0631\u0646\u062f\u0631\u060c \u0645\u06af\u0631 \u062f\u0631 \u0645\u0648\u0627\u0631\u062f \u0636\u0631\u0648\u0631\u06cc\u060c \u062f\u0648\u0628\u0627\u0631\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0646\u0634\u0648\u0646\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"kd\">const<\/span> <span class=\"nx\">computedValue<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useMemo<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">expensiveComputation<\/span><span class=\"p\">(<\/span><span class=\"nx\">value<\/span><span class=\"p\">),<\/span> <span class=\"p\">[<\/span><span class=\"nx\">value<\/span><span class=\"p\">]);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0628\u0631\u06af\u0634\u062a \u062a\u0645\u0627\u0633<\/strong>: \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0627\u0631\u0633\u0627\u0644 \u0645\u0631\u0627\u062c\u0639 \u062c\u062f\u06cc\u062f \u062f\u0631 \u0647\u0631 \u0628\u0627\u0631 \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062f\u0631 \u0645\u0624\u0644\u0641\u0647 \u0647\u0627 \u06cc\u0627 \u062c\u0644\u0648\u0647 \u0647\u0627\u06cc \u0641\u0631\u0632\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"kd\">const<\/span> <span class=\"nx\">handleClick<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useCallback<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Clicked<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\n  <span class=\"p\">},<\/span> <span class=\"p\">[]);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"3_%D8%A7%D8%B2_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D8%AF%D9%88%D9%84%D8%AA%DB%8C_%DA%A9%D8%A7%D8%B1%D8%A2%D9%85%D8%AF_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  3. <strong>\u0627\u0632 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0648\u0636\u0639\u06cc\u062a \u0628\u0647 \u06af\u0648\u0646\u0647 \u0627\u06cc \u06a9\u0647 \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0634\u0648\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u062a\u0627 \u062d\u062f \u0632\u06cc\u0627\u062f\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u062f.<\/p>\n<ul>\n<li>\n<strong>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0627\u0647\u0634 \u062f\u0647\u0646\u062f\u0647<\/strong>: \u0628\u0631\u0627\u06cc \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f <code>useReducer<\/code> \u0628\u0647 \u062c\u0627\u06cc <code>useState<\/code> \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0628\u06cc\u0634\u062a\u0631 \u0628\u0631 \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u062d\u0627\u0644\u062a\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">dispatch<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">reducer<\/span><span class=\"p\">,<\/span> <span class=\"nx\">initialState<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u062a\u0642\u0633\u06cc\u0645 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a<\/strong>: \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0647\u0627 \u0631\u0627 \u0628\u0647 \u06af\u0648\u0646\u0647 \u0627\u06cc \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u062a\u063a\u06cc\u06cc\u0631 \u062d\u0627\u0644\u062a\u060c \u0641\u0642\u0637 \u0642\u0633\u0645\u062a \u0636\u0631\u0648\u0631\u06cc \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0634\u0648\u062f.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"4_%D9%85%D8%AC%D8%A7%D8%B2%DB%8C_%D8%B3%D8%A7%D8%B2%DB%8C_%D9%84%DB%8C%D8%B3%D8%AA_%D9%87%D8%A7%DB%8C_%D8%B7%D9%88%D9%84%D8%A7%D9%86%DB%8C\"><\/span>\n<p>  4. <strong>\u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0631\u0646\u062f\u0631 \u06a9\u0631\u062f\u0646 \u0644\u06cc\u0633\u062a \u0647\u0627 \u06cc\u0627 \u062c\u062f\u0627\u0648\u0644 \u0637\u0648\u0644\u0627\u0646\u06cc \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u062f. \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc \u0644\u06cc\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0641\u0642\u0637 \u0622\u0646\u0686\u0647 \u0631\u0627 \u06a9\u0647 \u0631\u0648\u06cc \u0635\u0641\u062d\u0647 \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0627\u0633\u062a \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u062f.<\/p>\n<ul>\n<li>\n<strong>\u067e\u0646\u062c\u0631\u0647 \u0648\u0627\u06a9\u0646\u0634<\/strong> \u06cc\u0627 <strong>\u0648\u0627\u06a9\u0646\u0634 \u0645\u062c\u0627\u0632\u06cc \u0634\u062f\u0647<\/strong>: \u0627\u06cc\u0646 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627 \u0628\u0647 \u0634\u0645\u0627 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc \u062f\u0647\u0646\u062f \u06a9\u0647 \u0628\u0627 \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc \u0644\u06cc\u0633\u062a \u0647\u0627\u060c \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">FixedSizeList<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">List<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react-window<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n  <span class=\"kd\">const<\/span> <span class=\"nx\">MyList<\/span> <span class=\"o\">=<\/span> <span class=\"p\">({<\/span> <span class=\"nx\">items<\/span> <span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">(<\/span>\n    <span class=\"p\"><span class=\"nc\">List<\/span>\n      <span class=\"na\">height<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"mi\">500<\/span><span class=\"si\">}<\/span>\n      <span class=\"na\">itemCount<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">items<\/span><span class=\"p\">.<\/span><span class=\"nx\">length<\/span><span class=\"si\">}<\/span>\n      <span class=\"na\">itemSize<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"mi\">35<\/span><span class=\"si\">}<\/span>\n      <span class=\"na\">width<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"mi\">300<\/span><span class=\"si\">}<\/span>\n    <span class=\"p\">&gt;<\/span>\n      <span class=\"si\">{<\/span><span class=\"p\">({<\/span> <span class=\"nx\">index<\/span><span class=\"p\">,<\/span> <span class=\"nx\">style<\/span> <span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\"><span class=\"nt\">div<\/span> <span class=\"na\">style<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">style<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span><span class=\"si\">{<\/span><span class=\"nx\">items<\/span><span class=\"p\">[<\/span><span class=\"nx\">index<\/span><span class=\"p\">]<\/span><span class=\"si\">}<\/span><span class=\"p\"\/><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span><span class=\"si\">}<\/span>\n    <span class=\"p\"\/><span class=\"nc\">List<\/span><span class=\"p\">&gt;<\/span>\n  <span class=\"p\">);<\/span>\n<\/span><\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"5_%D8%AA%DA%A9%D8%A7%D9%86_%D8%AF%D8%A7%D8%AF%D9%86_%D8%AF%D8%B1%D8%AE%D8%AA\"><\/span>\n<p>  5. <strong>\u062a\u06a9\u0627\u0646 \u062f\u0627\u062f\u0646 \u062f\u0631\u062e\u062a<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0641\u0642\u0637 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc\u06cc \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647\u200c\u0647\u0627 \u0631\u0627 \u0648\u0627\u0631\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0633\u062a\u0647\u200c\u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f.<\/p>\n<ul>\n<li>\n<strong>\u0648\u0627\u0631\u062f\u0627\u062a ES6<\/strong>: \u0641\u0642\u0637 \u0645\u0627\u0698\u0648\u0644 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u062e\u0648\u062f \u0631\u0627 \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627 (\u0645\u0627\u0646\u0646\u062f lodash\u060c moment.js \u0648 \u063a\u06cc\u0631\u0647) \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f \u062a\u0627 \u06a9\u0644 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code>  <span class=\"c1\">\/\/ Instead of this:<\/span>\n  <span class=\"k\">import<\/span> <span class=\"nx\">_<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">lodash<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n  <span class=\"c1\">\/\/ Do this:<\/span>\n  <span class=\"k\">import<\/span> <span class=\"nx\">debounce<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">lodash\/debounce<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"6_%D8%AA%D8%B5%D8%A7%D9%88%DB%8C%D8%B1_%D8%A8%D8%A7%D8%B1%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C_%D8%AA%D9%86%D8%A8%D9%84\"><\/span>\n<p>  6. <strong>\u062a\u0635\u0627\u0648\u06cc\u0631 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062a\u0635\u0627\u0648\u06cc\u0631 \u0627\u063a\u0644\u0628 \u0628\u0632\u0631\u06af\u062a\u0631\u06cc\u0646 \u062f\u0627\u0631\u0627\u06cc\u06cc \u06cc\u06a9 \u0635\u0641\u062d\u0647 \u0647\u0633\u062a\u0646\u062f. \u0627\u0632 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u0628\u0631\u0627\u06cc \u0628\u0647 \u062a\u0627\u062e\u06cc\u0631 \u0627\u0646\u062f\u0627\u062e\u062a\u0646 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u062a\u0635\u0627\u0648\u06cc\u0631 \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062f\u0631 \u0642\u0633\u0645\u062a \u062f\u06cc\u062f \u0642\u0631\u0627\u0631 \u06af\u06cc\u0631\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<ul>\n<li>\n<strong>\u0648\u0627\u06a9\u0646\u0634 \u062a\u0646\u0628\u0644\u06cc<\/strong>: \u0627\u0632 <strong>\u0648\u0627\u06a9\u0646\u0634 \u062a\u0646\u0628\u0644\u06cc<\/strong> \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0633\u0627\u062f\u0647 \u0648 \u062a\u0646\u0628\u0644 \u062a\u0635\u0627\u0648\u06cc\u0631.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"k\">import<\/span> <span class=\"nx\">LazyLoad<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react-lazyload<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n  <span class=\"kd\">const<\/span> <span class=\"nx\">ImageComponent<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">(<\/span>\n    <span class=\"p\"><span class=\"nc\">LazyLoad<\/span> <span class=\"na\">height<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"mi\">200<\/span><span class=\"si\">}<\/span> <span class=\"na\">once<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\"><span class=\"nt\">img<\/span> <span class=\"na\">src<\/span><span class=\"p\">=<\/span><span class=\"s\">\"image-url.jpg\"<\/span> <span class=\"na\">alt<\/span><span class=\"p\">=<\/span><span class=\"s\">\"example\"<\/span> <span class=\"p\">\/&gt;<\/span>\n    <span class=\"p\"\/><span class=\"nc\">LazyLoad<\/span><span class=\"p\">&gt;<\/span>\n  <span class=\"p\">);<\/span>\n<\/span><\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u0646\u0627\u0638\u0631 \u062a\u0642\u0627\u0637\u0639<\/strong>: \u0634\u0645\u0627 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <strong>Intersection Observer API<\/strong> \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644\u06cc \u062a\u0635\u0627\u0648\u06cc\u0631 \u0647\u0646\u06af\u0627\u0645 \u0645\u0634\u0627\u0647\u062f\u0647 \u0622\u0646\u0647\u0627.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"kd\">const<\/span> <span class=\"nx\">LazyImage<\/span> <span class=\"o\">=<\/span> <span class=\"p\">({<\/span> <span class=\"nx\">src<\/span><span class=\"p\">,<\/span> <span class=\"nx\">alt<\/span> <span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">inView<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setInView<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useState<\/span><span class=\"p\">(<\/span><span class=\"kc\">false<\/span><span class=\"p\">);<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">imgRef<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useRef<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">);<\/span>\n\n    <span class=\"nf\">useEffect<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n      <span class=\"kd\">const<\/span> <span class=\"nx\">observer<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">IntersectionObserver<\/span><span class=\"p\">(([<\/span><span class=\"nx\">entry<\/span><span class=\"p\">])<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n        <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">entry<\/span><span class=\"p\">.<\/span><span class=\"nx\">isIntersecting<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n          <span class=\"nf\">setInView<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span><span class=\"p\">);<\/span>\n          <span class=\"nx\">observer<\/span><span class=\"p\">.<\/span><span class=\"nf\">disconnect<\/span><span class=\"p\">();<\/span>\n        <span class=\"p\">}<\/span>\n      <span class=\"p\">});<\/span>\n      <span class=\"nx\">observer<\/span><span class=\"p\">.<\/span><span class=\"nf\">observe<\/span><span class=\"p\">(<\/span><span class=\"nx\">imgRef<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span><span class=\"p\">);<\/span>\n    <span class=\"p\">},<\/span> <span class=\"p\">[]);<\/span>\n\n    <span class=\"k\">return<\/span> <span class=\"p\"><span class=\"nt\">img<\/span> <span class=\"na\">ref<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">imgRef<\/span><span class=\"si\">}<\/span> <span class=\"na\">src<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">inView<\/span> <span class=\"p\">?<\/span> <span class=\"nx\">src<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">''<\/span><span class=\"si\">}<\/span> <span class=\"na\">alt<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">alt<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;;<\/span>\n  <span class=\"p\">};<\/span>\n<\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"7_%D8%AC%D8%A7%D9%88%D8%A7_%D8%A7%D8%B3%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA_%D8%B1%D8%A7_%DA%A9%D9%88%DA%86%DA%A9_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  7. <strong>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u0631\u0627 \u06a9\u0648\u0686\u06a9 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <strong>\u062a\u0631\u0633\u0631<\/strong> \u06cc\u0627 \u06a9\u0648\u0686\u06a9 \u0633\u0627\u0632\u06cc \u062f\u0627\u062e\u0644\u06cc Webpack \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0627\u0646\u062f\u0644 \u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062f\u0631 \u0637\u0648\u0644 \u0641\u0631\u0622\u06cc\u0646\u062f \u0633\u0627\u062e\u062a.<\/p>\n<\/li>\n<li>\n<p><strong>\u0628\u0631\u0646\u0627\u0645\u0647 React \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f<\/strong> \u0628\u0647 \u0637\u0648\u0631 \u062e\u0648\u062f\u06a9\u0627\u0631 \u06a9\u062f\u0647\u0627\u06cc \u0633\u0627\u062e\u062a \u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f\u06cc \u0631\u0627 \u06a9\u0648\u0686\u06a9 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight shell\"><code>  npm run build\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"8_%D8%AA%D8%AC%D8%B2%DB%8C%D9%87_%D9%88_%D8%AA%D8%AD%D9%84%DB%8C%D9%84_%D8%A8%D8%B3%D8%AA%D9%87_%D9%86%D8%B1%D9%85_%D8%A7%D9%81%D8%B2%D8%A7%D8%B1%DB%8C\"><\/span>\n<p>  8. <strong>\u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0628\u0633\u062a\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a \u062e\u0648\u062f \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0645\u0646\u0627\u0637\u0642\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062f\u0631 \u0622\u0646\u200c\u0647\u0627 \u067e\u06cc\u0634\u0631\u0641\u062a \u06a9\u0646\u06cc\u062f\u060c \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<ul>\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <strong>webpack-bundle-analyzer<\/strong> \u062a\u0627 \u0628\u0633\u062a\u0647\u200c\u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u062a\u062c\u0633\u0645 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0628\u06cc\u0646\u06cc\u062f \u06a9\u062f\u0627\u0645 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647\u200c\u0647\u0627 \u0628\u06cc\u0634\u062a\u0631\u06cc\u0646 \u0641\u0636\u0627 \u0631\u0627 \u0627\u0634\u063a\u0627\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight shell\"><code>  npm <span class=\"nb\">install<\/span> <span class=\"nt\">--save-dev<\/span> webpack-bundle-analyzer\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u062f\u0631 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc Webpack \u0634\u0645\u0627:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code>  <span class=\"kd\">const<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BundleAnalyzerPlugin<\/span> <span class=\"p\">}<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">webpack-bundle-analyzer<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\n  <span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n    <span class=\"na\">plugins<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\n      <span class=\"k\">new<\/span> <span class=\"nc\">BundleAnalyzerPlugin<\/span><span class=\"p\">()<\/span>\n    <span class=\"p\">]<\/span>\n  <span class=\"p\">};<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"9_CSS_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D9%86%D8%B4%D8%AF%D9%87_%D8%B1%D8%A7_%DA%A9%D8%A7%D9%87%D8%B4_%D8%AF%D9%87%DB%8C%D8%AF\"><\/span>\n<p>  9. <strong>CSS \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f <strong>PurgeCSS<\/strong> \u0628\u0631\u0627\u06cc \u062d\u0630\u0641 CSS \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0634\u062f\u0647 \u0627\u0632 \u0628\u0633\u062a\u0647 \u062e\u0648\u062f. \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0622\u0646 \u0631\u0627 \u0628\u0627 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc Webpack \u06cc\u0627 PostCSS \u062e\u0648\u062f \u0627\u062f\u063a\u0627\u0645 \u06a9\u0646\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight shell\"><code>  npm <span class=\"nb\">install<\/span> @fullhuman\/postcss-purgecss\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc PostCSS:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code>  <span class=\"kd\">const<\/span> <span class=\"nx\">purgecss<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">@fullhuman\/postcss-purgecss<\/span><span class=\"dl\">'<\/span><span class=\"p\">)({<\/span>\n    <span class=\"na\">content<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/src\/**\/*.js<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/public\/index.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">],<\/span>\n    <span class=\"na\">defaultExtractor<\/span><span class=\"p\">:<\/span> <span class=\"nx\">content<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">content<\/span><span class=\"p\">.<\/span><span class=\"nf\">match<\/span><span class=\"p\">(<\/span><span class=\"sr\">\/<\/span><span class=\"se\">[\\w<\/span><span class=\"sr\">-<\/span><span class=\"se\">\/<\/span><span class=\"sr\">:<\/span><span class=\"se\">]<\/span><span class=\"sr\">+<\/span><span class=\"se\">(?<span class=\"sr\">!:<\/span><span class=\"se\">)<\/span><span class=\"sr\">\/g<\/span><span class=\"p\">)<\/span> <span class=\"o\">||<\/span> <span class=\"p\">[]<\/span>\n  <span class=\"p\">});<\/span>\n\n  <span class=\"nx\">module<\/span><span class=\"p\">.<\/span><span class=\"nx\">exports<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\n    <span class=\"na\">plugins<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\n      <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">tailwindcss<\/span><span class=\"dl\">'<\/span><span class=\"p\">),<\/span>\n      <span class=\"nx\">purgecss<\/span><span class=\"p\">,<\/span>\n      <span class=\"nf\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">autoprefixer<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\n    <span class=\"p\">]<\/span>\n  <span class=\"p\">};<\/span>\n<\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"10_%D8%A8%D9%87%DB%8C%D9%86%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D8%AF%D8%B1%D8%AE%D9%88%D8%A7%D8%B3%D8%AA_%D9%87%D8%A7%DB%8C_%D8%B4%D8%A8%DA%A9%D9%87\"><\/span>\n<p>  10. <strong>\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0634\u0628\u06a9\u0647<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u06a9\u0627\u0647\u0634 \u062a\u0639\u062f\u0627\u062f \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0634\u0628\u06a9\u0647 \u0648 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062a\u0645\u0627\u0633 \u0647\u0627\u06cc API \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0634\u0648\u062f.<\/p>\n<ul>\n<li>\n<strong>\u062a\u0645\u0627\u0633\u200c\u0647\u0627\u06cc API \u062f\u0631 \u062d\u0627\u0644 \u062d\u0630\u0641<\/strong>: \u0628\u0631\u0627\u06cc \u0645\u062d\u062f\u0648\u062f \u06a9\u0631\u062f\u0646 \u062a\u0639\u062f\u0627\u062f \u062f\u0641\u0639\u0627\u062a \u0627\u0631\u0633\u0627\u0644 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc API \u062f\u0631 \u0637\u0648\u0644 \u0648\u0631\u0648\u062f\u06cc \u06a9\u0627\u0631\u0628\u0631\u060c \u0627\u0632 debouncing \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"kd\">const<\/span> <span class=\"nx\">fetchResults<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">debounce<\/span><span class=\"p\">((<\/span><span class=\"nx\">query<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"c1\">\/\/ API call logic<\/span>\n  <span class=\"p\">},<\/span> <span class=\"mi\">300<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u0630\u062e\u06cc\u0631\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc API<\/strong>: \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <strong>SWR<\/strong> \u06cc\u0627 <strong>React Query<\/strong> \u0628\u0631\u0627\u06cc \u06a9\u0634 \u06a9\u0631\u062f\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc API \u0648 \u0627\u062c\u062a\u0646\u0627\u0628 \u0627\u0632 \u0648\u0627\u06a9\u0634\u06cc \u0645\u062c\u062f\u062f \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc.\n<\/li>\n<\/ul>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code>  <span class=\"k\">import<\/span> <span class=\"nx\">useSWR<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">swr<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n  <span class=\"kd\">const<\/span> <span class=\"nx\">fetcher<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">url<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">fetch<\/span><span class=\"p\">(<\/span><span class=\"nx\">url<\/span><span class=\"p\">).<\/span><span class=\"nf\">then<\/span><span class=\"p\">(<\/span><span class=\"nx\">res<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">res<\/span><span class=\"p\">.<\/span><span class=\"nf\">json<\/span><span class=\"p\">());<\/span>\n\n  <span class=\"kd\">const<\/span> <span class=\"nx\">MyComponent<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">data<\/span><span class=\"p\">,<\/span> <span class=\"nx\">error<\/span> <span class=\"p\">}<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useSWR<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/api\/data<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">fetcher<\/span><span class=\"p\">);<\/span>\n\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">error<\/span><span class=\"p\">)<\/span> <span class=\"k\">return<\/span> <span class=\"p\"><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>Error loading data<span class=\"p\"\/><span class=\"nt\">div<\/span><span class=\"p\">&gt;;<\/span>\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">data<\/span><span class=\"p\">)<\/span> <span class=\"k\">return<\/span> <span class=\"p\"><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>Loading...<span class=\"p\"\/><span class=\"nt\">div<\/span><span class=\"p\">&gt;;<\/span>\n    <span class=\"k\">return<\/span> <span class=\"p\"><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span><span class=\"si\">{<\/span><span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">message<\/span><span class=\"si\">}<\/span><span class=\"p\"\/><span class=\"nt\">div<\/span><span class=\"p\">&gt;;<\/span>\n  <span class=\"p\">};<\/span>\n<\/span><\/span><\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"11_%D8%A7%D8%B2_React_Fragments_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  11. <strong>\u0627\u0632 React Fragments \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0627\u0632 \u0627\u0641\u0632\u0648\u062f\u0646 \u0639\u0646\u0627\u0635\u0631 \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u0628\u0647 DOM \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f <strong>React Fragments<\/strong> (<code\/> and <code>&gt;<\/code>) \u0647\u0646\u06af\u0627\u0645 \u0628\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0639\u0646\u0635\u0631.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight jsx\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">MyComponent<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">(<\/span>\n  <span class=\"p\"\/>\n    <span class=\"p\"><span class=\"nt\">h1<\/span><span class=\"p\">&gt;<\/span>Title<span class=\"p\"\/><span class=\"nt\">h1<\/span><span class=\"p\">&gt;<\/span>\n    <span class=\"p\"><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>Content<span class=\"p\"\/><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\n  <span class=\"p\">&gt;<\/span>\n<span class=\"p\">);<\/span>\n<\/span><\/span><\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"12_%D9%BE%D8%B1%D9%88%D9%81%D8%A7%DB%8C%D9%84_%D9%88_%D8%AA%D8%B3%D8%AA_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF\"><\/span>\n<p>  12. <strong>\u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0648 \u062a\u0633\u062a \u0639\u0645\u0644\u06a9\u0631\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <strong>React Developer Tools<\/strong> \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0628\u0631\u0627\u06cc \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06af\u0644\u0648\u06af\u0627\u0647 \u0647\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627.<\/p>\n<ul>\n<li>\n<strong>React Profiler<\/strong>: \u062f\u0631 \u06a9\u0631\u0648\u0645 \u06cc\u0627 \u0641\u0627\u06cc\u0631\u0641\u0627\u06a9\u0633\u060c React DevTools \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f \u0648 \u0628\u0647 \u0628\u0631\u06af\u0647 \u00abProfiler\u00bb \u0628\u0631\u0648\u06cc\u062f. \u06cc\u06a9 \u062c\u0644\u0633\u0647 \u0631\u0627 \u0636\u0628\u0637 \u06a9\u0646\u06cc\u062f \u0648 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0627\u062c\u0632\u0627\u06cc \u0633\u0627\u0632\u0646\u062f\u0647 \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0645\u06cc \u0634\u0648\u0646\u062f \u0648 \u0632\u0645\u0627\u0646 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0631\u0627 \u0635\u0631\u0641 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\"><\/span>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 React \u0646\u06cc\u0627\u0632\u0645\u0646\u062f \u062a\u0648\u062c\u0647 \u062f\u0642\u06cc\u0642 \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0627\u0646\u062f\u0644 \u0648 \u06a9\u0627\u0631\u0627\u06cc\u06cc \u0631\u0646\u062f\u0631 \u0627\u0633\u062a. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u062a\u0642\u0633\u06cc\u0645 \u06a9\u062f\u060c \u062d\u0627\u0641\u0638\u0647\u200c\u06af\u0630\u0627\u0631\u06cc\u060c \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644\u060c \u062a\u06a9\u0627\u0646 \u062f\u0627\u062f\u0646 \u062f\u0631\u062e\u062a \u0648 \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u0631\u0633\u0627\u0646\u062f\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0634\u0628\u06a9\u0647\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0645\u06cc\u0632\u0627\u0646 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u06cc\u062f. \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0646\u0638\u0645 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0647\u0631 \u06af\u0648\u0646\u0647 \u0646\u0627\u06a9\u0627\u0631\u0622\u0645\u062f\u06cc \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u0628\u0631\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0627\u0644\u0641 \u0648\u0627\u06a9\u0646\u0634 \u0646\u0634\u0627\u0646 \u062f\u0647\u06cc\u062f \u0628\u0631\u0646\u0627\u0645\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u06a9\u0627\u0647\u0634 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0633\u062a\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u06cc\u060c \u0631\u0646\u062f\u0631 \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0644\u06cc \u06a9\u0627\u0631\u0628\u0631 \u062a\u0645\u0631\u06a9\u0632 \u062f\u0627\u0631\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u062e\u0644\u0627\u0635\u0647 \u0627\u06cc \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062e\u0627\u0635 React \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a: &hellip;<\/p>\n","protected":false},"author":2,"featured_media":76072,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-76071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/76071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=76071"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/76071\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/76072"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=76071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=76071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=76071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}