{"id":88235,"date":"2024-12-14T16:03:53","date_gmt":"2024-12-14T12:33:53","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/"},"modified":"2024-12-14T16:03:53","modified_gmt":"2024-12-14T12:33:53","slug":"10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/","title":{"rendered":"10 \u0646\u06a9\u062a\u0647 \u062a\u06a9\u0627\u0646 \u062f\u0647\u0646\u062f\u0647 React \u0648 Node.js \u06a9\u0647 \u0631\u0648\u0634 \u06a9\u062f\u0646\u0648\u06cc\u0633\u06cc \u0634\u0645\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0645\u06cc\u0634\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u062f\u0647\u062f!"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang <\/p>\n<p>  \u0646\u06a9\u0627\u062a \u0648 \u062a\u0631\u0641\u0646\u062f\u0647\u0627\u06cc React<\/p>\n<p>1. \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u0645\u0648\u0644\u0641\u0647 \u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u062d\u0631\u0641\u0647 \u0627\u06cc\u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u0641\u06a9\u0631 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc React \u062e\u0648\u062f \u0631\u0627 \u0633\u0631\u06cc\u0639\u062a\u0631 \u06a9\u0646\u06cc\u062f\u061f \u0644\u0648\u062f\u06cc\u0646\u06af \u062a\u0646\u0628\u0644 \u0633\u0633 \u0645\u062e\u0641\u06cc \u0627\u0633\u062a! \u0627\u0632 React.lazy() \u0648 Suspense \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0647\u0627 \u0641\u0642\u0637 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u0648 \u0632\u0645\u0627\u0646 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<p>const LazyComponent = React.lazy(() =&gt; import(&#8216;.\/LazyComponent&#8217;));<\/p>\n<p>function App() {<br \/>\n    return (<br \/>\n        Loading&#8230;}><\/p>\n<p>    ) }<\/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>\ud83d\udc49 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0628\u0631\u0627\u06cc \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0633\u0631\u06cc\u0639\u060c \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u0631\u0627 \u0628\u0627 \u062a\u0642\u0633\u06cc\u0645 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0633\u06cc\u0631 \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  2. \u0628\u0627 React.memo \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f<\/p>\n<p>React \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 \u0622\u0646\u0686\u0647 \u0641\u06a9\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0645\u0648\u0644\u0641\u0647\u200c\u0647\u0627 \u0631\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u062c\u0632\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 React.memo \u0628\u067e\u06cc\u0686\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u06cc\u062f.<\/p>\n<p>const OptimizedComponent = React.memo(({ value }) =&gt; {<br \/>\n    console.log(&#8216;Rendered&#8217;);<br \/>\n    return {value};<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>\ud83d\udd0d \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0627\u062c\u0632\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u062a\u06a9\u06cc \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u067e\u0627\u06cc\u0647 \u06cc\u0627 \u062d\u0627\u0644\u062a \u0646\u06cc\u0633\u062a\u0646\u062f.<\/p>\n<p>  3. \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a\u06cc \u0633\u0627\u062f\u0647 \u0634\u062f\u0647<\/p>\n<p>\u0634\u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 Redux \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u06cc\u062f! \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9 \u062a\u0627 \u0645\u062a\u0648\u0633\u0637\u060c useReducer \u0648 useContext React \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0628\u0647\u200c\u0637\u0648\u0631 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u0646\u062f.<\/p>\n<p>const initialState = { count: 0 };<br \/>\nfunction reducer(state, action) {<br \/>\n    switch (action.type) {<br \/>\n        case &#8216;increment&#8217;:<br \/>\n            return { count: state.count + 1 };<br \/>\n        default:<br \/>\n            return state;<br \/>\n    }<br \/>\n}<br \/>\nconst [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>\ud83d\udca1 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0648\u06cc\u0698\u06af\u06cc \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  4. CSS-in-JS \u0628\u0631\u0627\u06cc Scoped Styling<\/p>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0645\u0648\u0644\u0641\u0647 \u0647\u0627\u06cc \u0633\u0628\u06a9 \u06cc\u0627 \u0627\u062d\u0633\u0627\u0633 \u0627\u0632 \u062a\u0636\u0627\u062f\u0647\u0627\u06cc \u0633\u0628\u06a9 \u062c\u0647\u0627\u0646\u06cc \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f. CSS \u0631\u0627 \u062f\u0631 \u0645\u062d\u062f\u0648\u062f\u0647 \u0627\u062c\u0632\u0627\u06cc \u062e\u0648\u062f \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u0648 \u0627\u0633\u062a\u0627\u06cc\u0644 \u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0645\u062f\u0648\u0644\u0627\u0631 \u0646\u06af\u0647 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n<p>import styled from &#8216;styled-components&#8217;;<\/p>\n<p>const Button = styled.button`<br \/>\n    background: #007bff;<br \/>\n    color: white;<br \/>\n    padding: 10px 20px;<br \/>\n    border: none;<br \/>\n    border-radius: 5px;<br \/>\n    cursor: pointer;<\/p>\n<p>    &amp;:hover {<br \/>\n        background: #0056b3;<br \/>\n    }<br \/>\n`;<\/p>\n<p>export default Button;<\/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. \u0644\u06cc\u0633\u062a \u0647\u0627 \u0631\u0627 \u0628\u0627 \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc React \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0627\u0631\u0627\u0626\u0647 \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u061f \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f react-window \u06cc\u0627 react-virtualized \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0641\u0642\u0637 \u0628\u062e\u0634 \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0644\u06cc\u0633\u062a \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u062f \u0648 \u0633\u0631\u0628\u0627\u0631 DOM \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u06cc\u062f.<\/p>\n<p>jsx\u06a9\u062f \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062f<\/p>\n<p>import { FixedSizeList as List } from &#8216;react-window&#8217;;<\/p>\n<p>const Row = ({ index, style }) =&gt; (<br \/>\n    Row {index}<br \/>\n);<\/p>\n<p>    {Row}<\/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>\u26a1 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0627\u06cc\u0646 \u062a\u0631\u0641\u0646\u062f \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0633\u06a9\u0631\u0648\u0644 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0646\u062c\u0627\u062a \u0628\u062e\u0634 \u0627\u0633\u062a.<\/p>\n<p>\u0646\u06a9\u0627\u062a \u0648 \u062a\u0631\u0641\u0646\u062f\u0647\u0627\u06cc Node.js<\/p>\n<p>  6. \u0628\u0631\u0646\u0627\u0645\u0647 Node.js \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647\u062a\u0631 \u062f\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f<\/p>\n<p>Node.js \u062a\u06a9 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0627\u0698\u0648\u0644 \u06a9\u0644\u0627\u0633\u062a\u0631 \u0627\u0632 CPU \u0647\u0627\u06cc \u0686\u0646\u062f \u0647\u0633\u062a\u0647 \u0627\u06cc \u0628\u0647\u0631\u0647 \u0628\u0628\u0631\u06cc\u062f.<\/p>\n<p>javascript<br \/>\nCopy code<br \/>\nconst cluster = require(&#8216;cluster&#8217;);<br \/>\nconst http = require(&#8216;http&#8217;);<br \/>\nconst numCPUs = require(&#8216;os&#8217;).cpus().length;<\/p>\n<p>if (cluster.isMaster) {<br \/>\n    for (let i = 0; i &lt; numCPUs; i++) {<br \/>\n        cluster.fork();<br \/>\n    }<br \/>\n    cluster.on(&#8216;exit&#8217;, (worker, code, signal) =&gt; {<br \/>\n        console.log(`Worker ${worker.process.pid} died`);<br \/>\n    });<br \/>\n} else {<br \/>\n    http.createServer((req, res) =&gt; {<br \/>\n        res.writeHead(200);<br \/>\n        res.end(&#8216;Hello World\\n&#8217;);<br \/>\n    }).listen(8000);<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>\ud83d\ude80 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0627\u0632 PM2 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0648\u0634\u0647 \u0647\u0627 \u0648 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0639\u062f\u0645 \u062a\u0648\u0642\u0641 \u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  7. \u0627\u0647\u0631\u0645 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0631\u0627\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af<\/p>\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u062d\u062c\u06cc\u0645\u061f \u0628\u0647 \u062c\u0627\u06cc \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0647\u0645\u0647 \u0686\u06cc\u0632 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647\u060c \u0627\u0632 \u062c\u0631\u06cc\u0627\u0646 \u0647\u0627 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062a\u06a9\u0647 \u062a\u06a9\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a\u06a9\u062f \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062fconst fs = require(&#39;fs&#39;);<\/p>\n<p>const readStream = fs.createReadStream(&#39;largeFile.txt&#39;);readStream.on(&#39;data&#39;, (chunk) => {console.log(&#39;Received chunk:&#39;, chunk);})\u061b\ud83d\udca1 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0628\u0631\u0627\u06cc \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u0628\u0644\u0627\u062f\u0631\u0646\u06af \u0641\u0627\u06cc\u0644 \u0647\u0627\u060c \u0627\u0633\u062a\u0631\u06cc\u0645 \u0647\u0627 \u0631\u0627 \u0628\u0627 zlib \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u06a9\u0644\u0627\u0647 \u0627\u06cc\u0645\u0646\u06cc \u0627\u06cc\u0645\u0646 \u06a9\u0646\u06cc\u062f \u0628\u0631\u0646\u0627\u0645\u0647 Node.js \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u062d\u0645\u0644\u0627\u062a \u0622\u0633\u06cc\u0628 \u067e\u0630\u06cc\u0631 \u0646\u06af\u0630\u0627\u0631\u06cc\u062f. \u0627\u0632 \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631 \u06a9\u0644\u0627\u0647 \u0627\u06cc\u0645\u0646\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u0645\u0646 \u06a9\u0631\u062f\u0646 \u0647\u062f\u0631\u0647\u0627\u06cc HTTP \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>javascript<br \/>\nCopy code<br \/>\nconst express = require(&#8216;express&#8217;);<br \/>\nconst helmet = require(&#8216;helmet&#8217;);<\/p>\n<p>const app = express();<br \/>\napp.use(helmet());<\/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>\ud83d\udd10 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062d\u0645\u0644\u0627\u062a DDoS\u060c \u06a9\u0644\u0627\u0647 \u0627\u06cc\u0645\u0646\u06cc \u0631\u0627 \u0628\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0646\u0646\u062f\u0647 \u0646\u0631\u062e \u0648 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631 \u062c\u0641\u062a \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  9. \u0627\u0632 Async\/Await for Clean Code \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0628\u0627 \u06a9\u0627\u0644 \u0628\u06a9 \u062c\u0647\u0646\u0645 \u062e\u062f\u0627\u062d\u0627\u0641\u0638\u06cc \u06a9\u0646! \u0627\u0632 async\/wait \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u062a\u0645\u06cc\u0632 \u0648 \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>javascript<br \/>\nCopy code<br \/>\nconst fetchData = async () =&gt; {<br \/>\n    try {<br \/>\n        const response = await fetch(&#8216;https:\/\/api.example.com\/data&#8217;);<br \/>\n        const data = await response.json();<br \/>\n        console.log(data);<br \/>\n    } catch (error) {<br \/>\n        console.error(&#8216;Error fetching data:&#8217;, error);<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>\u26a1 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0627\u0632 Promise.all \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0645\u0648\u0627\u0632\u06cc \u0686\u0646\u062f\u06cc\u0646 \u06a9\u0627\u0631 \u063a\u06cc\u0631 \u0647\u0645\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  10. \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u062e\u0627\u0635 \u0645\u062d\u06cc\u0637<\/p>\n<p>\u0627\u0632 dotenv \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0645\u062d\u06cc\u0637\u06cc \u0648 \u062d\u0641\u0638 \u0627\u0645\u0646\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062d\u0633\u0627\u0633 \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>javascript<br \/>\nCopy code<br \/>\nrequire(&#8216;dotenv&#8217;).config();<\/p>\n<p>const dbPassword = process.env.DB_PASSWORD;<br \/>\nconsole.log(`Database password: ${dbPassword}`);<\/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>\ud83d\udd0d \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0647\u0631\u06af\u0632 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc .env \u0631\u0627 \u0628\u0647 \u06a9\u0646\u062a\u0631\u0644 \u0646\u0633\u062e\u0647 \u0645\u062a\u0639\u0647\u062f \u0646\u06a9\u0646\u06cc\u062f!<\/p>\n<p>_**\u0627\u0641\u06a9\u0627\u0631 \u0646\u0647\u0627\u06cc\u06ccReact \u0648 Node.js \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u0647\u0633\u062a\u0646\u062f \u0648 \u0628\u0627 \u0627\u06cc\u0646 \u0646\u06a9\u0627\u062a \u0648 \u062a\u0631\u0641\u0646\u062f\u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u067e\u062a\u0627\u0646\u0633\u06cc\u0644 \u06a9\u0627\u0645\u0644 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f. \u0686\u0647 \u062f\u0631 \u062d\u0627\u0644 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u0627\u06cc\u0645\u0646 \u0633\u0627\u0632\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u06cc\u0627 \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f \u067e\u0627\u06a9 \u062a\u0631 \u0628\u0627\u0634\u06cc\u062f\u060c \u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627 \u0634\u0645\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u0645\u062a\u0645\u0627\u06cc\u0632 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0646\u06a9\u062a\u0647 \u0645\u0648\u0631\u062f \u0639\u0644\u0627\u0642\u0647 \u0634\u0645\u0627 \u0686\u06cc\u0633\u062a\u061f \u0646\u0638\u0631\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631\u0627\u062a \u0632\u06cc\u0631 \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u0628\u06af\u0630\u0627\u0631\u06cc\u062f! \ud83d\ude80**_<\/p>\n<div>\n<div class=\"crayons-article__body text-styles spec__body\" data-article-id=\"2156453\" id=\"article-body\">\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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#%D9%86%DA%A9%D8%A7%D8%AA_%D9%88_%D8%AA%D8%B1%D9%81%D9%86%D8%AF%D9%87%D8%A7%DB%8C_React\" >\u0646\u06a9\u0627\u062a \u0648 \u062a\u0631\u0641\u0646\u062f\u0647\u0627\u06cc React<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#2_%D8%A8%D8%A7_Reactmemo_%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_%D8%AC%D9%84%D9%88%DA%AF%DB%8C%D8%B1%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\" >2. \u0628\u0627 React.memo \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#3_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D8%AF%D9%88%D9%84%D8%AA%DB%8C_%D8%B3%D8%A7%D8%AF%D9%87_%D8%B4%D8%AF%D9%87\" >3. \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a\u06cc \u0633\u0627\u062f\u0647 \u0634\u062f\u0647<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#4_CSS-in-JS_%D8%A8%D8%B1%D8%A7%DB%8C_Scoped_Styling\" >4. CSS-in-JS \u0628\u0631\u0627\u06cc Scoped Styling<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#5_%D9%84%DB%8C%D8%B3%D8%AA_%D9%87%D8%A7_%D8%B1%D8%A7_%D8%A8%D8%A7_%D9%85%D8%AC%D8%A7%D8%B2%DB%8C_%D8%B3%D8%A7%D8%B2%DB%8C_React_%D8%A8%D9%87%DB%8C%D9%86%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >5. \u0644\u06cc\u0633\u062a \u0647\u0627 \u0631\u0627 \u0628\u0627 \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc React \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#6_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87_Nodejs_%D8%AE%D9%88%D8%AF_%D8%B1%D8%A7_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%D8%A8%D9%87%D8%AA%D8%B1_%D8%AF%D8%B3%D8%AA%D9%87_%D8%A8%D9%86%D8%AF%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\" >6. \u0628\u0631\u0646\u0627\u0645\u0647 Node.js \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647\u062a\u0631 \u062f\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#7_%D8%A7%D9%87%D8%B1%D9%85_%D8%AC%D8%B1%DB%8C%D8%A7%D9%86_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%A8%D8%B2%D8%B1%DA%AF\" >7. \u0627\u0647\u0631\u0645 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0631\u0627\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#9_%D8%A7%D8%B2_AsyncAwait_for_Clean_Code_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\" >9. \u0627\u0632 Async\/Await for Clean Code \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/10-shocking-react-and-nodejs-tips-that-will-change-the-way-you-code-forever-2451\/#10_%D8%AA%D9%86%D8%B8%DB%8C%D9%85%D8%A7%D8%AA_%D8%AE%D8%A7%D8%B5_%D9%85%D8%AD%DB%8C%D8%B7\" >10. \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u062e\u0627\u0635 \u0645\u062d\u06cc\u0637<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%86%DA%A9%D8%A7%D8%AA_%D9%88_%D8%AA%D8%B1%D9%81%D9%86%D8%AF%D9%87%D8%A7%DB%8C_React\"><\/span>\n<p>  \u0646\u06a9\u0627\u062a \u0648 \u062a\u0631\u0641\u0646\u062f\u0647\u0627\u06cc React<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>1. \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u0645\u0648\u0644\u0641\u0647 \u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u062d\u0631\u0641\u0647 \u0627\u06cc<\/strong><br \/>\u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u0641\u06a9\u0631 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc React \u062e\u0648\u062f \u0631\u0627 \u0633\u0631\u06cc\u0639\u062a\u0631 \u06a9\u0646\u06cc\u062f\u061f \u0644\u0648\u062f\u06cc\u0646\u06af \u062a\u0646\u0628\u0644 \u0633\u0633 \u0645\u062e\u0641\u06cc \u0627\u0633\u062a! \u0627\u0632 React.lazy() \u0648 Suspense \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0647\u0627 \u0641\u0642\u0637 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u0648 \u0632\u0645\u0627\u0646 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const LazyComponent = React.lazy(() =&gt; import('.\/LazyComponent'));\n\nfunction App() {\n    return (\n        <suspense fallback=\"{&lt;div\">Loading...<\/suspense><\/code><\/pre>\n<\/div>\n<p>}><br \/>\n            <lazycomponent\/><\/p>\n<p>    ) }<\/p>\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><strong>\ud83d\udc49 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0628\u0631\u0627\u06cc \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0633\u0631\u06cc\u0639\u060c \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u0631\u0627 \u0628\u0627 \u062a\u0642\u0633\u06cc\u0645 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0633\u06cc\u0631 \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u062f.<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_%D8%A8%D8%A7_Reactmemo_%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_%D8%AC%D9%84%D9%88%DA%AF%DB%8C%D8%B1%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  2. \u0628\u0627 React.memo \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>React \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 \u0622\u0646\u0686\u0647 \u0641\u06a9\u0631 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0645\u0648\u0644\u0641\u0647\u200c\u0647\u0627 \u0631\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u062c\u0632\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 React.memo \u0628\u067e\u06cc\u0686\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const OptimizedComponent = React.memo(({ value }) =&gt; {\n    console.log('Rendered');\n    return <p>{value}<\/p>;\n});\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><strong>\ud83d\udd0d \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0627\u0632 \u0622\u0646 \u0628\u0631\u0627\u06cc \u0627\u062c\u0632\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u062a\u06a9\u06cc \u0628\u0647 \u062a\u063a\u06cc\u06cc\u0631 \u067e\u0627\u06cc\u0647 \u06cc\u0627 \u062d\u0627\u0644\u062a \u0646\u06cc\u0633\u062a\u0646\u062f.<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_%D9%85%D8%AF%DB%8C%D8%B1%DB%8C%D8%AA_%D8%AF%D9%88%D9%84%D8%AA%DB%8C_%D8%B3%D8%A7%D8%AF%D9%87_%D8%B4%D8%AF%D9%87\"><\/span>\n<p>  3. \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a\u06cc \u0633\u0627\u062f\u0647 \u0634\u062f\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0634\u0645\u0627 \u0647\u0645\u06cc\u0634\u0647 \u0628\u0647 Redux \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u06cc\u062f! \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9 \u062a\u0627 \u0645\u062a\u0648\u0633\u0637\u060c useReducer \u0648 useContext React \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0628\u0647\u200c\u0637\u0648\u0631 \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0646\u0646\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>const initialState = { count: 0 };\nfunction reducer(state, action) {\n    switch (action.type) {\n        case 'increment':\n            return { count: state.count + 1 };\n        default:\n            return state;\n    }\n}\nconst [state, dispatch] = useReducer(reducer, initialState);\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><strong>\ud83d\udca1 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0648\u06cc\u0698\u06af\u06cc \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f.<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_CSS-in-JS_%D8%A8%D8%B1%D8%A7%DB%8C_Scoped_Styling\"><\/span>\n<p>  4. CSS-in-JS \u0628\u0631\u0627\u06cc Scoped Styling<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u0645\u0648\u0644\u0641\u0647 \u0647\u0627\u06cc \u0633\u0628\u06a9 \u06cc\u0627 \u0627\u062d\u0633\u0627\u0633 \u0627\u0632 \u062a\u0636\u0627\u062f\u0647\u0627\u06cc \u0633\u0628\u06a9 \u062c\u0647\u0627\u0646\u06cc \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f. CSS \u0631\u0627 \u062f\u0631 \u0645\u062d\u062f\u0648\u062f\u0647 \u0627\u062c\u0632\u0627\u06cc \u062e\u0648\u062f \u0628\u0646\u0648\u06cc\u0633\u06cc\u062f \u0648 \u0627\u0633\u062a\u0627\u06cc\u0644 \u0647\u0627\u06cc \u062e\u0648\u062f \u0631\u0627 \u0645\u062f\u0648\u0644\u0627\u0631 \u0646\u06af\u0647 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>import styled from 'styled-components';\n\nconst Button = styled.button`\n    background: #007bff;\n    color: white;\n    padding: 10px 20px;\n    border: none;\n    border-radius: 5px;\n    cursor: pointer;\n\n    &amp;:hover {\n        background: #0056b3;\n    }\n`;\n\nexport default Button;\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<h2><span class=\"ez-toc-section\" id=\"5_%D9%84%DB%8C%D8%B3%D8%AA_%D9%87%D8%A7_%D8%B1%D8%A7_%D8%A8%D8%A7_%D9%85%D8%AC%D8%A7%D8%B2%DB%8C_%D8%B3%D8%A7%D8%B2%DB%8C_React_%D8%A8%D9%87%DB%8C%D9%86%D9%87_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  5. \u0644\u06cc\u0633\u062a \u0647\u0627 \u0631\u0627 \u0628\u0627 \u0645\u062c\u0627\u0632\u06cc \u0633\u0627\u0632\u06cc React \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0631\u0627\u0626\u0647 \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0628\u0632\u0631\u06af\u061f \u0627\u0632 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f react-window \u06cc\u0627 react-virtualized \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0641\u0642\u0637 \u0628\u062e\u0634 \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0644\u06cc\u0633\u062a \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u06cc\u062f \u0648 \u0633\u0631\u0628\u0627\u0631 DOM \u0631\u0627 \u06a9\u0627\u0647\u0634 \u062f\u0647\u06cc\u062f.<\/p>\n<p>jsx<br \/>\u06a9\u062f \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062f<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>import { FixedSizeList as List } from 'react-window';\n\nconst Row = ({ index, style }) =&gt; (\n    <p>Row {index}<\/p>\n);\n\n<list height=\"{200}\" itemcount=\"{1000}\" itemsize=\"{35}\">\n    {Row}\n<\/list>\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>\u26a1 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0627\u06cc\u0646 \u062a\u0631\u0641\u0646\u062f \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0627\u0633\u06a9\u0631\u0648\u0644 \u0628\u06cc \u0646\u0647\u0627\u06cc\u062a \u0646\u062c\u0627\u062a \u0628\u062e\u0634 \u0627\u0633\u062a.<\/p>\n<p>\u0646\u06a9\u0627\u062a \u0648 \u062a\u0631\u0641\u0646\u062f\u0647\u0627\u06cc Node.js<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87_Nodejs_%D8%AE%D9%88%D8%AF_%D8%B1%D8%A7_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF_%D8%A8%D9%87%D8%AA%D8%B1_%D8%AF%D8%B3%D8%AA%D9%87_%D8%A8%D9%86%D8%AF%DB%8C_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  6. \u0628\u0631\u0646\u0627\u0645\u0647 Node.js \u062e\u0648\u062f \u0631\u0627 \u0628\u0631\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647\u062a\u0631 \u062f\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Node.js \u062a\u06a9 \u0631\u0634\u062a\u0647 \u0627\u06cc \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0627\u0698\u0648\u0644 \u06a9\u0644\u0627\u0633\u062a\u0631 \u0627\u0632 CPU \u0647\u0627\u06cc \u0686\u0646\u062f \u0647\u0633\u062a\u0647 \u0627\u06cc \u0628\u0647\u0631\u0647 \u0628\u0628\u0631\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>javascript\nCopy code\nconst cluster = require('cluster');\nconst http = require('http');\nconst numCPUs = require('os').cpus().length;\n\nif (cluster.isMaster) {\n    for (let i = 0; i &lt; numCPUs; i++) {\n        cluster.fork();\n    }\n    cluster.on('exit', (worker, code, signal) =&gt; {\n        console.log(`Worker ${worker.process.pid} died`);\n    });\n} else {\n    http.createServer((req, res) =&gt; {\n        res.writeHead(200);\n        res.end('Hello World\\n');\n    }).listen(8000);\n}\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><strong>\ud83d\ude80 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0627\u0632 PM2 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062e\u0648\u0634\u0647 \u0647\u0627 \u0648 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0639\u062f\u0645 \u062a\u0648\u0642\u0641 \u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_%D8%A7%D9%87%D8%B1%D9%85_%D8%AC%D8%B1%DB%8C%D8%A7%D9%86_%D8%A8%D8%B1%D8%A7%DB%8C_%D8%AF%D8%A7%D8%AF%D9%87_%D9%87%D8%A7%DB%8C_%D8%A8%D8%B2%D8%B1%DA%AF\"><\/span>\n<p>  7. \u0627\u0647\u0631\u0645 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0631\u0627\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u0632\u0631\u06af<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u062f\u06cc\u0631\u06cc\u062a \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u062d\u062c\u06cc\u0645\u061f \u0628\u0647 \u062c\u0627\u06cc \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0647\u0645\u0647 \u0686\u06cc\u0632 \u062f\u0631 \u062d\u0627\u0641\u0638\u0647\u060c \u0627\u0632 \u062c\u0631\u06cc\u0627\u0646 \u0647\u0627 \u0628\u0631\u0627\u06cc \u067e\u0631\u062f\u0627\u0632\u0634 \u062a\u06a9\u0647 \u062a\u06a9\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u062c\u0627\u0648\u0627 \u0627\u0633\u06a9\u0631\u06cc\u067e\u062a<br \/>\u06a9\u062f \u0631\u0627 \u06a9\u067e\u06cc \u06a9\u0646\u06cc\u062f<br \/>const fs = require(&#39;fs&#39;);<\/p>\n<p>const readStream = fs.createReadStream(&#39;largeFile.txt&#39;);<br \/>readStream.on(&#39;data&#39;, (chunk) => {<br \/>console.log(&#39;Received chunk:&#39;, chunk);<br \/>})\u061b<br \/>\ud83d\udca1 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0628\u0631\u0627\u06cc \u0641\u0634\u0631\u062f\u0647 \u0633\u0627\u0632\u06cc \u0628\u0644\u0627\u062f\u0631\u0646\u06af \u0641\u0627\u06cc\u0644 \u0647\u0627\u060c \u0627\u0633\u062a\u0631\u06cc\u0645 \u0647\u0627 \u0631\u0627 \u0628\u0627 zlib \u062a\u0631\u06a9\u06cc\u0628 \u06a9\u0646\u06cc\u062f.<\/p>\n<ol>\n<li>\u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0627 \u06a9\u0644\u0627\u0647 \u0627\u06cc\u0645\u0646\u06cc \u0627\u06cc\u0645\u0646 \u06a9\u0646\u06cc\u062f \u0628\u0631\u0646\u0627\u0645\u0647 Node.js \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u062d\u0645\u0644\u0627\u062a \u0622\u0633\u06cc\u0628 \u067e\u0630\u06cc\u0631 \u0646\u06af\u0630\u0627\u0631\u06cc\u062f. \u0627\u0632 \u0645\u06cc\u0627\u0646 \u0627\u0641\u0632\u0627\u0631 \u06a9\u0644\u0627\u0647 \u0627\u06cc\u0645\u0646\u06cc \u0628\u0631\u0627\u06cc \u0627\u06cc\u0645\u0646 \u06a9\u0631\u062f\u0646 \u0647\u062f\u0631\u0647\u0627\u06cc HTTP \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.\n<\/li>\n<\/ol>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>javascript\nCopy code\nconst express = require('express');\nconst helmet = require('helmet');\n\nconst app = express();\napp.use(helmet());\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><strong>\ud83d\udd10 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062d\u0645\u0644\u0627\u062a DDoS\u060c \u06a9\u0644\u0627\u0647 \u0627\u06cc\u0645\u0646\u06cc \u0631\u0627 \u0628\u0627 \u0645\u062d\u062f\u0648\u062f \u06a9\u0646\u0646\u062f\u0647 \u0646\u0631\u062e \u0648 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631 \u062c\u0641\u062a \u06a9\u0646\u06cc\u062f.<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"9_%D8%A7%D8%B2_AsyncAwait_for_Clean_Code_%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>  9. \u0627\u0632 Async\/Await for Clean Code \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0628\u0627 \u06a9\u0627\u0644 \u0628\u06a9 \u062c\u0647\u0646\u0645 \u062e\u062f\u0627\u062d\u0627\u0641\u0638\u06cc \u06a9\u0646! \u0627\u0632 async\/wait \u0628\u0631\u0627\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u062a\u0645\u06cc\u0632 \u0648 \u0642\u0627\u0628\u0644 \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>javascript\nCopy code\nconst fetchData = async () =&gt; {\n    try {\n        const response = await fetch('https:\/\/api.example.com\/data');\n        const data = await response.json();\n        console.log(data);\n    } catch (error) {\n        console.error('Error fetching data:', error);\n    }\n};\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><strong>\u26a1 \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0627\u0632 Promise.all \u0628\u0631\u0627\u06cc \u0627\u062c\u0631\u0627\u06cc \u0645\u0648\u0627\u0632\u06cc \u0686\u0646\u062f\u06cc\u0646 \u06a9\u0627\u0631 \u063a\u06cc\u0631 \u0647\u0645\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"10_%D8%AA%D9%86%D8%B8%DB%8C%D9%85%D8%A7%D8%AA_%D8%AE%D8%A7%D8%B5_%D9%85%D8%AD%DB%8C%D8%B7\"><\/span>\n<p>  10. \u062a\u0646\u0638\u06cc\u0645\u0627\u062a \u062e\u0627\u0635 \u0645\u062d\u06cc\u0637<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0627\u0632 dotenv \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u062a\u063a\u06cc\u0631\u0647\u0627\u06cc \u0645\u062d\u06cc\u0637\u06cc \u0648 \u062d\u0641\u0638 \u0627\u0645\u0646\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u062d\u0633\u0627\u0633 \u062e\u0648\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>javascript\nCopy code\nrequire('dotenv').config();\n\nconst dbPassword = process.env.DB_PASSWORD;\nconsole.log(`Database password: ${dbPassword}`);\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><strong>\ud83d\udd0d \u0646\u06a9\u062a\u0647 \u062d\u0631\u0641\u0647 \u0627\u06cc: \u0647\u0631\u06af\u0632 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc .env \u0631\u0627 \u0628\u0647 \u06a9\u0646\u062a\u0631\u0644 \u0646\u0633\u062e\u0647 \u0645\u062a\u0639\u0647\u062f \u0646\u06a9\u0646\u06cc\u062f!<\/strong><\/p>\n<p>_**\u0627\u0641\u06a9\u0627\u0631 \u0646\u0647\u0627\u06cc\u06cc<br \/>React \u0648 Node.js \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0641\u0648\u0642 \u0627\u0644\u0639\u0627\u062f\u0647 \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u0647\u0633\u062a\u0646\u062f \u0648 \u0628\u0627 \u0627\u06cc\u0646 \u0646\u06a9\u0627\u062a \u0648 \u062a\u0631\u0641\u0646\u062f\u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u067e\u062a\u0627\u0646\u0633\u06cc\u0644 \u06a9\u0627\u0645\u0644 \u0622\u0646\u0647\u0627 \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f. \u0686\u0647 \u062f\u0631 \u062d\u0627\u0644 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u060c \u0627\u06cc\u0645\u0646 \u0633\u0627\u0632\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u06cc\u0627 \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f \u067e\u0627\u06a9 \u062a\u0631 \u0628\u0627\u0634\u06cc\u062f\u060c \u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627 \u0634\u0645\u0627 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 \u0645\u062a\u0645\u0627\u06cc\u0632 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>\u0646\u06a9\u062a\u0647 \u0645\u0648\u0631\u062f \u0639\u0644\u0627\u0642\u0647 \u0634\u0645\u0627 \u0686\u06cc\u0633\u062a\u061f \u0646\u0638\u0631\u0627\u062a \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631\u0627\u062a \u0632\u06cc\u0631 \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u0628\u06af\u0630\u0627\u0631\u06cc\u062f! \ud83d\ude80**_<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u0646\u06a9\u0627\u062a \u0648 \u062a\u0631\u0641\u0646\u062f\u0647\u0627\u06cc React 1. \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u062a\u0646\u0628\u0644 \u0645\u0648\u0644\u0641\u0647 \u0647\u0627 \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u062d\u0631\u0641\u0647 \u0627\u06cc\u0622\u06cc\u0627 \u062a\u0627 \u0628\u0647 \u062d\u0627\u0644 \u0641\u06a9\u0631 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc React \u062e\u0648\u062f \u0631\u0627 \u0633\u0631\u06cc\u0639\u062a\u0631 \u06a9\u0646\u06cc\u062f\u061f \u0644\u0648\u062f\u06cc\u0646\u06af \u062a\u0646\u0628\u0644 \u0633\u0633 \u0645\u062e\u0641\u06cc \u0627\u0633\u062a! \u0627\u0632 React.lazy() \u0648 Suspense \u0628\u0631\u0627\u06cc \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0647\u0627 \u0641\u0642\u0637 \u062f\u0631 \u0635\u0648\u0631\u062a \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":88236,"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-88235","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\/88235","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=88235"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/88235\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/88236"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=88235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=88235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=88235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}