{"id":82714,"date":"2024-11-05T23:34:11","date_gmt":"2024-11-05T20:04:11","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/memoize-seus-componentes-react-com-eficiencia-1jcm\/"},"modified":"2024-11-05T23:34:11","modified_gmt":"2024-11-05T20:04:11","slug":"memoize-seus-componentes-react-com-eficiencia-1jcm","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/memoize-seus-componentes-react-com-eficiencia-1jcm\/","title":{"rendered":"\u0627\u062c\u0632\u0627\u06cc React \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u0648\u062b\u0631 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631\u06cc\u062f"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u0646\u062a\u0638\u0627\u0631 \u0622\u0645\u0648\u0632\u0634 \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645 \u0631\u0627 \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0647\u062f\u0641 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u062f\u06cc\u062f\u06af\u0627\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0634\u06cc\u0648\u0647 \u0627\u06cc \u0634\u062e\u0635\u06cc \u062a\u0631 \u0648 \u0622\u0631\u0627\u0645 \u062a\u0631 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0645.<\/p>\n<p>  \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0686\u06cc\u0633\u062a\u061f<\/p>\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0647\u06cc\u0647 \u06cc\u06a9 \u06a9\u06cc\u06a9 \u0647\u0633\u062a\u06cc\u062f. \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u06a9\u0633\u06cc \u06cc\u06a9 \u0642\u0637\u0639\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0645\u06cc \u06a9\u0646\u062f\u060c \u0646\u06cc\u0627\u0632\u06cc \u0646\u06cc\u0633\u062a \u06cc\u06a9 \u06a9\u06cc\u06a9 \u062c\u062f\u06cc\u062f \u062f\u0631\u0633\u062a \u06a9\u0646\u06cc\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0634\u0645\u0627 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u06cc\u06a9 \u062a\u06a9\u0647 \u0627\u0632 \u06a9\u06cc\u06a9 \u0631\u0627 \u06a9\u0647 \u0627\u0632 \u0642\u0628\u0644 \u0622\u0645\u0627\u062f\u0647 \u0627\u0633\u062a \u0628\u0631\u062f\u0627\u0631\u06cc\u062f. \u062d\u0627\u0641\u0638\u0647\u200c\u06af\u0630\u0627\u0631\u06cc \u062f\u0631 React \u0646\u06cc\u0632 \u0628\u0647 \u0631\u0648\u0634\u06cc \u0645\u0634\u0627\u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0627\u06af\u0631 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a\u06cc \u0642\u0628\u0644\u0627\u064b \u0628\u0627 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0631\u0646\u062f\u0631 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f\u060c \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0622\u0646 \u0627\u062c\u0632\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u062c\u062f\u062f \u0622\u0646 \u0646\u06cc\u0633\u062a.<\/p>\n<p>  \u0686\u0631\u0627 \u0627\u0632 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/p>\n<p>\u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u062f: \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u0645\u062c\u062f\u062f \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0633\u0631\u06cc\u0639\u062a\u0631 \u0648 \u067e\u0627\u0633\u062e\u06af\u0648\u062a\u0631 \u0634\u0648\u062f.<br \/>\n\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0646\u0627\u0628\u0639 \u0631\u0627 \u0628\u0647\u06cc\u0646\u0647 \u0645\u06cc \u06a9\u0646\u062f: \u062a\u0639\u062f\u0627\u062f \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<br \/>\n\u0627\u0633\u062a\u062f\u0644\u0627\u0644 \u0631\u0627 \u0633\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f: \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647\u062a\u0631 \u062f\u0631\u06a9 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>  \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631 React:<\/p>\n<p>React.memo: \u062a\u0645\u0627\u0645 \u0627\u062c\u0632\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0645\u06cc\u200c\u0633\u067e\u0627\u0631\u062f \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0631\u062f\u0646 \u0642\u0637\u0639\u0627\u062a\u060c \u0627\u0632 \u0631\u0646\u062f\u0631 \u0645\u062c\u062f\u062f \u0627\u062c\u062a\u0646\u0627\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f.<br \/>\n\u062f\u0631 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a: \u0646\u062a\u06cc\u062c\u0647 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647.<br \/>\nuseCallback: \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0645\u06cc\u200c\u0633\u067e\u0627\u0631\u062f\u060c \u0647\u0646\u06af\u0627\u0645 \u0627\u0646\u062a\u0642\u0627\u0644 \u062a\u0648\u0627\u0628\u0639 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0628\u0647 \u0627\u062c\u0632\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.<\/p>\n<p>  \u0645\u062b\u0627\u0644 \u0647\u0627:<\/p>\n<p>1. \u062d\u0641\u0638 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u0648\u0627\u0631\u062f:<\/p>\n<p>import React, { memo } from &#8216;react&#8217;;<\/p>\n<p>const ExpensiveList = memo(({ items }) =&gt; {<br \/>\n  const renderedItems = items.map(item =&gt; (<br \/>\n    &lt;div key={item.id}&gt;<br \/>\n      &lt;p&gt;Nome: {item.name}&lt;\/p&gt;<br \/>\n      &lt;p&gt;Descri\u00e7\u00e3o: {item.description}&lt;\/p&gt;<br \/>\n    &lt;\/div&gt;<br \/>\n  ));<\/p>\n<p>  return &lt;div&gt;{renderedItems}&lt;\/div&gt;;<br \/>\n});<\/p>\n<p>export default ExpensiveList;<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a ExpensiveList \u0641\u0642\u0637 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0645\u06cc \u0634\u0648\u062f items \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0647\u0631 \u0645\u0648\u0631\u062f \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u0627\u0645\u0644 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06cc\u0627 \u0631\u0646\u062f\u0631 \u0633\u0646\u06af\u06cc\u0646 \u0628\u0627\u0634\u062f \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0627\u0633\u062a.<\/p>\n<p>2. \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u06cc\u06a9 \u0645\u062d\u0627\u0633\u0628\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647:<\/p>\n<p>import React, { useMemo } from &#8216;react&#8217;;<\/p>\n<p>function FibonacciCalculator({ n }) {<br \/>\n  const fibonacci = useMemo(() =&gt; {<br \/>\n    const fib = [0, 1];<br \/>\n    for (let i = 2; i &lt;= n; i++) {<br \/>\n      fib[i] = fib[i &#8211; 1] + fib[i &#8211; 2];<br \/>\n    }<br \/>\n    return fib[n];<br \/>\n  }, [n]);<\/p>\n<p>  return &lt;div&gt;O {n}-\u00e9simo n\u00famero de Fibonacci \u00e9: {fibonacci}&lt;\/div&gt;;<br \/>\n}<\/p>\n<p>export default FibonacciCalculator;<\/p>\n<p>O useMemo \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0641\u06cc\u0628\u0648\u0646\u0627\u0686\u06cc \u062a\u0646\u0647\u0627 \u0632\u0645\u0627\u0646\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 n \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f\u060c \u0627\u0632 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u062c\u062f\u062f \u0645\u0642\u062f\u0627\u0631 \u06cc\u06a9\u0633\u0627\u0646 \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>3. \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633 \u062f\u0631 \u06cc\u06a9 \u0641\u0631\u0645:<\/p>\n<p>import React, { useCallback, useState } from &#8216;react&#8217;;<\/p>\n<p>function Form() {<br \/>\n  const [name, setName] = useState(&#8221;);<br \/>\n  const [email, setEmail] = useState(&#8221;);<\/p>\n<p>  const handleSubmit = useCallback((event) =&gt; {<br \/>\n    event.preventDefault();<br \/>\n    console.log(&#8216;Nome:&#8217;, name);<br \/>\n    console.log(&#8216;Email:&#8217;, email);<br \/>\n  }, [name, email]);<\/p>\n<p>  return (<br \/>\n    &lt;form onSubmit={handleSubmit}&gt;<br \/>\n      &lt;label&gt;<br \/>\n        Nome:<br \/>\n        &lt;input<br \/>\n          type=&#8221;text&#8221;<br \/>\n          value={name}<br \/>\n          onChange={(e) =&gt; setName(e.target.value)}<br \/>\n        \/&gt;<br \/>\n      &lt;\/label&gt;<br \/>\n      &lt;label&gt;<br \/>\n        Email:<br \/>\n        &lt;input<br \/>\n          type=&#8221;email&#8221;<br \/>\n          value={email}<br \/>\n          onChange={(e) =&gt; setEmail(e.target.value)}<br \/>\n        \/&gt;<br \/>\n      &lt;\/label&gt;<br \/>\n      &lt;button type=&#8221;submit&#8221;&gt;Enviar&lt;\/button&gt;<br \/>\n    &lt;\/form&gt;<br \/>\n  );<br \/>\n}<\/p>\n<p>export default Form;<\/p>\n<p>\u0647\u0646\u06af\u0627\u0645 \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 handleSubmit com useCallback\u060c \u0645\u0627 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062a\u0627\u0628\u0639 \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0647\u0645\u0627\u0646 \u0645\u0631\u062c\u0639 \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f name \u0647 email \u0622\u0646\u0647\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u06cc\u062c\u0627\u062f \u0645\u062c\u062f\u062f \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062a\u0627\u0628\u0639 \u062f\u0631 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f\u060c \u0627\u06af\u0631\u0686\u0647 \u062f\u0631 \u06cc\u06a9 \u0634\u06a9\u0644 \u0633\u0627\u062f\u0647 \u0627\u06cc\u0646 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0646\u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a.<\/p>\n<p>  \u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0647\u0631 \u0627\u0628\u0632\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/p>\n<p>React.memo: \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0627\u062c\u0632\u0627\u06cc \u062e\u0627\u0644\u0635\u060c \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0648 \u0627\u062c\u0632\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06a9\u0647 \u062d\u0627\u0644\u062a \u062f\u0627\u062e\u0644\u06cc \u0646\u062f\u0627\u0631\u0646\u062f.<br \/>\n\u062f\u0631 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a: \u0628\u0631\u0627\u06cc \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u0646\u062a\u06cc\u062c\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06cc\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u06a9\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0622\u0646\u0647\u0627 \u06af\u0631\u0627\u0646 \u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<br \/>\nuseCallback: \u0628\u0631\u0627\u06cc \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u062a\u0648\u0627\u0628\u0639 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0628\u0647 \u0627\u062c\u0632\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0646\u062a\u0642\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>  \u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0645\u0647\u0645:<\/p>\n<p>\u0639\u0627\u0642\u0644\u0627\u0646\u0647 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631\u06cc\u062f: \u062d\u0627\u0641\u0638\u0647\u200c\u06af\u0630\u0627\u0631\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u062f\u060c \u0627\u0645\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u06a9\u062f \u0631\u0627 \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0648 \u06a9\u0645\u062a\u0631 \u062e\u0648\u0627\u0646\u0627 \u06a9\u0646\u062f.<br \/>\n\u062f\u0631\u06a9 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627: \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc useMemo \u0648 useCallback \u0628\u0631\u0627\u06cc \u062f\u0631\u0633\u062a \u06a9\u0627\u0631\u06a9\u0631\u062f\u0646 \u062d\u0627\u0641\u0638\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0647\u0633\u062a\u0646\u062f.<br \/>\n\u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f: \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 React \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 \u0648 \u062a\u0623\u06cc\u06cc\u062f \u0627\u06cc\u0646\u06a9\u0647 \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0627\u062b\u0631 \u062f\u0644\u062e\u0648\u0627\u0647 \u0631\u0627 \u062f\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u062e\u0644\u0627\u0635\u0647\u060c \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u062a\u06a9\u0646\u06cc\u06a9 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0645 \u0648 \u0639\u0627\u0642\u0644\u0627\u0646\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc React \u0634\u0645\u0627 \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u062f. \u0628\u0631\u0627\u06cc \u0628\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0631\u0633\u0627\u0646\u062f\u0646 \u0645\u0632\u0627\u06cc\u0627\u060c \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u06a9\u0646\u06cc\u062f \u0648 \u0646\u0642\u0627\u0637\u06cc \u0631\u0627 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 React.memo\u060c useMemo \u0648 useCallback \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u0641\u0627\u0648\u062a \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u0646\u062a\u0638\u0627\u0631 \u0622\u0645\u0648\u0632\u0634 \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645 \u0631\u0627 \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0647\u062f\u0641 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u062f\u06cc\u062f\u06af\u0627\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0634\u06cc\u0648\u0647 \u0627\u06cc \u0634\u062e\u0635\u06cc \u062a\u0631 \u0648 \u0622\u0631\u0627\u0645 \u062a\u0631 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0645.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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=\"\u062a\u063a\u06cc\u06cc\u0631 \u0648\u0636\u0639\u06cc\u062a \u0641\u0647\u0631\u0633\u062a \u0645\u0637\u0627\u0644\u0628\"><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\/memoize-seus-componentes-react-com-eficiencia-1jcm\/#%D8%AD%D9%81%D8%B8_%DA%A9%D8%B1%D8%AF%D9%86_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\" >\u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0686\u06cc\u0633\u062a\u061f<\/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\/memoize-seus-componentes-react-com-eficiencia-1jcm\/#%DA%86%D8%B1%D8%A7_%D8%A7%D8%B2_%DB%8C%D8%A7%D8%AF%D8%AF%D8%A7%D8%B4%D8%AA_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D9%85%D8%9F\" >\u0686\u0631\u0627 \u0627\u0632 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/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\/memoize-seus-componentes-react-com-eficiencia-1jcm\/#%D8%A7%D8%A8%D8%B2%D8%A7%D8%B1%D9%87%D8%A7%DB%8C_%D8%B0%D8%AE%DB%8C%D8%B1%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D8%AF%D8%B1_React\" >\u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631 React:<\/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\/memoize-seus-componentes-react-com-eficiencia-1jcm\/#%D9%85%D8%AB%D8%A7%D9%84_%D9%87%D8%A7\" >\u0645\u062b\u0627\u0644 \u0647\u0627:<\/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\/memoize-seus-componentes-react-com-eficiencia-1jcm\/#%DA%86%D9%87_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D8%A7%D8%B2_%D9%87%D8%B1_%D8%A7%D8%A8%D8%B2%D8%A7%D8%B1_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D9%85%D8%9F\" >\u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0647\u0631 \u0627\u0628\u0632\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/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\/memoize-seus-componentes-react-com-eficiencia-1jcm\/#%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D9%85%D9%87%D9%85\" >\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0645\u0647\u0645:<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AD%D9%81%D8%B8_%DA%A9%D8%B1%D8%AF%D9%86_%DA%86%DB%8C%D8%B3%D8%AA%D8%9F\"><\/span>\n<p>  <strong>\u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0686\u06cc\u0633\u062a\u061f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0647\u06cc\u0647 \u06cc\u06a9 \u06a9\u06cc\u06a9 \u0647\u0633\u062a\u06cc\u062f. \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u06a9\u0633\u06cc \u06cc\u06a9 \u0642\u0637\u0639\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0645\u06cc \u06a9\u0646\u062f\u060c \u0646\u06cc\u0627\u0632\u06cc \u0646\u06cc\u0633\u062a \u06cc\u06a9 \u06a9\u06cc\u06a9 \u062c\u062f\u06cc\u062f \u062f\u0631\u0633\u062a \u06a9\u0646\u06cc\u062f\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f \u0634\u0645\u0627 \u0628\u0647 \u0633\u0627\u062f\u06af\u06cc \u06cc\u06a9 \u062a\u06a9\u0647 \u0627\u0632 \u06a9\u06cc\u06a9 \u0631\u0627 \u06a9\u0647 \u0627\u0632 \u0642\u0628\u0644 \u0622\u0645\u0627\u062f\u0647 \u0627\u0633\u062a \u0628\u0631\u062f\u0627\u0631\u06cc\u062f. \u062d\u0627\u0641\u0638\u0647\u200c\u06af\u0630\u0627\u0631\u06cc \u062f\u0631 React \u0646\u06cc\u0632 \u0628\u0647 \u0631\u0648\u0634\u06cc \u0645\u0634\u0627\u0628\u0647 \u06a9\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0627\u06af\u0631 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a\u06cc \u0642\u0628\u0644\u0627\u064b \u0628\u0627 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062e\u0627\u0635\u06cc \u0631\u0646\u062f\u0631 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f\u060c \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0622\u0646 \u0627\u062c\u0632\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0631\u062f\u0647 \u0628\u0627\u0634\u0646\u062f\u060c \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u062c\u062f\u062f \u0622\u0646 \u0646\u06cc\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D8%B1%D8%A7_%D8%A7%D8%B2_%DB%8C%D8%A7%D8%AF%D8%AF%D8%A7%D8%B4%D8%AA_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D9%85%D8%9F\"><\/span>\n<p>  \u0686\u0631\u0627 \u0627\u0632 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\n<p><strong>\u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0645\u06cc \u0628\u062e\u0634\u062f:<\/strong> \u0627\u0632 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u0645\u062c\u062f\u062f \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u062e\u0648\u062f\u062f\u0627\u0631\u06cc \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u0634\u0645\u0627 \u0633\u0631\u06cc\u0639\u062a\u0631 \u0648 \u067e\u0627\u0633\u062e\u06af\u0648\u062a\u0631 \u0634\u0648\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0646\u0627\u0628\u0639 \u0631\u0627 \u0628\u0647\u06cc\u0646\u0647 \u0645\u06cc \u06a9\u0646\u062f:<\/strong> \u062a\u0639\u062f\u0627\u062f \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0648 \u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u062f \u0634\u0645\u0627 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0645\u06cc \u062f\u0647\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0633\u062a\u062f\u0644\u0627\u0644 \u0631\u0627 \u0633\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f:<\/strong> \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0645\u06a9 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647\u062a\u0631 \u062f\u0631\u06a9 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%A8%D8%B2%D8%A7%D8%B1%D9%87%D8%A7%DB%8C_%D8%B0%D8%AE%DB%8C%D8%B1%D9%87_%D8%B3%D8%A7%D8%B2%DB%8C_%D8%AF%D8%B1_React\"><\/span>\n<p>  <strong>\u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631 React:<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\n<p><strong>React.memo<\/strong>: \u062a\u0645\u0627\u0645 \u0627\u062c\u0632\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0645\u06cc\u200c\u0633\u067e\u0627\u0631\u062f \u0648 \u062f\u0631 \u0635\u0648\u0631\u062a \u062a\u063a\u06cc\u06cc\u0631 \u0646\u06a9\u0631\u062f\u0646 \u0642\u0637\u0639\u0627\u062a\u060c \u0627\u0632 \u0631\u0646\u062f\u0631 \u0645\u062c\u062f\u062f \u0627\u062c\u062a\u0646\u0627\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062f\u0631 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a:<\/strong> \u0646\u062a\u06cc\u062c\u0647 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647.<\/p>\n<\/li>\n<li>\n<p><strong>useCallback:<\/strong> \u062a\u0648\u0627\u0628\u0639 \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0645\u06cc\u200c\u0633\u067e\u0627\u0631\u062f\u060c \u0647\u0646\u06af\u0627\u0645 \u0627\u0646\u062a\u0642\u0627\u0644 \u062a\u0648\u0627\u0628\u0639 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0628\u0647 \u0627\u062c\u0632\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.<\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%D9%87%D8%A7\"><\/span>\n<p>  <strong>\u0645\u062b\u0627\u0644 \u0647\u0627:<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>1. \u062d\u0641\u0638 \u0644\u06cc\u0633\u062a\u06cc \u0627\u0632 \u0645\u0648\u0627\u0631\u062f:<\/strong>\n<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>import React, { memo } from 'react';\n\nconst ExpensiveList = memo(({ items }) =&gt; {\n  const renderedItems = items.map(item =&gt; (\n    &lt;div key={item.id}&gt;\n      &lt;p&gt;Nome: {item.name}&lt;\/p&gt;\n      &lt;p&gt;Descri\u00e7\u00e3o: {item.description}&lt;\/p&gt;\n    &lt;\/div&gt;\n  ));\n\n  return &lt;div&gt;{renderedItems}&lt;\/div&gt;;\n});\n\nexport default ExpensiveList;\n\n<\/code><\/pre>\n<\/div>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644\u060c \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a <code>ExpensiveList<\/code> \u0641\u0642\u0637 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc \u06a9\u0647 \u0622\u0631\u0627\u06cc\u0647 \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0645\u06cc \u0634\u0648\u062f <code>items<\/code> \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0647\u0631 \u0645\u0648\u0631\u062f \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0634\u0627\u0645\u0644 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06cc\u0627 \u0631\u0646\u062f\u0631 \u0633\u0646\u06af\u06cc\u0646 \u0628\u0627\u0634\u062f \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0627\u0633\u062a.<\/p>\n<p><strong>2. \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u06cc\u06a9 \u0645\u062d\u0627\u0633\u0628\u0647 \u067e\u06cc\u0686\u06cc\u062f\u0647:<\/strong>\n<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>import React, { useMemo } from 'react';\n\nfunction FibonacciCalculator({ n }) {\n  const fibonacci = useMemo(() =&gt; {\n    const fib = [0, 1];\n    for (let i = 2; i &lt;= n; i++) {\n      fib[i] = fib[i - 1] + fib[i - 2];\n    }\n    return fib[n];\n  }, [n]);\n\n  return &lt;div&gt;O {n}-\u00e9simo n\u00famero de Fibonacci \u00e9: {fibonacci}&lt;\/div&gt;;\n}\n\nexport default FibonacciCalculator;\n\n<\/code><\/pre>\n<\/div>\n<p>O <code>useMemo<\/code> \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0641\u06cc\u0628\u0648\u0646\u0627\u0686\u06cc \u062a\u0646\u0647\u0627 \u0632\u0645\u0627\u0646\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 <code>n<\/code> \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u06cc\u062f\u060c \u0627\u0632 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u062c\u062f\u062f \u0645\u0642\u062f\u0627\u0631 \u06cc\u06a9\u0633\u0627\u0646 \u0627\u062c\u062a\u0646\u0627\u0628 \u06a9\u0646\u06cc\u062f.<\/p>\n<p><strong>3. \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u067e\u0627\u0633\u062e \u0628\u0647 \u062a\u0645\u0627\u0633 \u062f\u0631 \u06cc\u06a9 \u0641\u0631\u0645:<\/strong>\n<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight plaintext\"><code>import React, { useCallback, useState } from 'react';\n\nfunction Form() {\n  const [name, setName] = useState('');\n  const [email, setEmail] = useState('');\n\n  const handleSubmit = useCallback((event) =&gt; {\n    event.preventDefault();\n    console.log('Nome:', name);\n    console.log('Email:', email);\n  }, [name, email]);\n\n  return (\n    &lt;form onSubmit={handleSubmit}&gt;\n      &lt;label&gt;\n        Nome:\n        &lt;input\n          type=\"text\"\n          value={name}\n          onChange={(e) =&gt; setName(e.target.value)}\n        \/&gt;\n      &lt;\/label&gt;\n      &lt;label&gt;\n        Email:\n        &lt;input\n          type=\"email\"\n          value={email}\n          onChange={(e) =&gt; setEmail(e.target.value)}\n        \/&gt;\n      &lt;\/label&gt;\n      &lt;button type=\"submit\"&gt;Enviar&lt;\/button&gt;\n    &lt;\/form&gt;\n  );\n}\n\nexport default Form;\n\n<\/code><\/pre>\n<\/div>\n<p>\u0647\u0646\u06af\u0627\u0645 \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 <code>handleSubmit<\/code> com <code>useCallback<\/code>\u060c \u0645\u0627 \u062a\u0636\u0645\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u06a9\u0647 \u062a\u0627\u0628\u0639 \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0647\u0645\u0627\u0646 \u0645\u0631\u062c\u0639 \u0631\u0627 \u062d\u0641\u0638 \u0645\u06cc \u06a9\u0646\u062f <code>name<\/code> \u0647 <code>email<\/code> \u0622\u0646\u0647\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0646\u0645\u06cc \u06a9\u0646\u0646\u062f \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u06cc\u062c\u0627\u062f \u0645\u062c\u062f\u062f \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062a\u0627\u0628\u0639 \u062f\u0631 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f\u060c \u0627\u06af\u0631\u0686\u0647 \u062f\u0631 \u06cc\u06a9 \u0634\u06a9\u0644 \u0633\u0627\u062f\u0647 \u0627\u06cc\u0646 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0632\u06cc\u0627\u062f\u06cc \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0646\u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%DA%86%D9%87_%D8%B2%D9%85%D8%A7%D9%86%DB%8C_%D8%A7%D8%B2_%D9%87%D8%B1_%D8%A7%D8%A8%D8%B2%D8%A7%D8%B1_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%DA%A9%D9%86%DB%8C%D9%85%D8%9F\"><\/span>\n<p>  <strong>\u0686\u0647 \u0632\u0645\u0627\u0646\u06cc \u0627\u0632 \u0647\u0631 \u0627\u0628\u0632\u0627\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u0645\u061f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\n<p><strong>React.memo:<\/strong> \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u0627\u062c\u0632\u0627\u06cc \u062e\u0627\u0644\u0635\u060c \u0644\u06cc\u0633\u062a \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u0648 \u0627\u062c\u0632\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06a9\u0647 \u062d\u0627\u0644\u062a \u062f\u0627\u062e\u0644\u06cc \u0646\u062f\u0627\u0631\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062f\u0631 \u06cc\u0627\u062f\u062f\u0627\u0634\u062a:<\/strong> \u0628\u0631\u0627\u06cc \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u0646\u062a\u06cc\u062c\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06cc\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u06a9\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0622\u0646\u0647\u0627 \u06af\u0631\u0627\u0646 \u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>useCallback:<\/strong> \u0628\u0631\u0627\u06cc \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u062a\u0648\u0627\u0628\u0639 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0628\u0647\u200c\u0639\u0646\u0648\u0627\u0646 \u067e\u0627\u06cc\u0647 \u0628\u0647 \u0627\u062c\u0632\u0627\u06cc \u062f\u06cc\u06af\u0631 \u0645\u0646\u062a\u0642\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D9%85%D9%87%D9%85\"><\/span>\n<p>  <strong>\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0645\u0647\u0645:<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\n<p><strong>\u0639\u0627\u0642\u0644\u0627\u0646\u0647 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631\u06cc\u062f:<\/strong> \u062d\u0627\u0641\u0638\u0647\u200c\u06af\u0630\u0627\u0631\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u062f\u060c \u0627\u0645\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u06a9\u062f \u0631\u0627 \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0648 \u06a9\u0645\u062a\u0631 \u062e\u0648\u0627\u0646\u0627 \u06a9\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u062f\u0631\u06a9 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627:<\/strong> \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0647\u0627\u06cc \u0627\u0639\u0644\u0627\u0645 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc useMemo \u0648 useCallback \u0628\u0631\u0627\u06cc \u062f\u0631\u0633\u062a \u06a9\u0627\u0631\u06a9\u0631\u062f\u0646 \u062d\u0627\u0641\u0638\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0647\u0645 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f:<\/strong> \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 React \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 \u0648 \u062a\u0623\u06cc\u06cc\u062f \u0627\u06cc\u0646\u06a9\u0647 \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0627\u062b\u0631 \u062f\u0644\u062e\u0648\u0627\u0647 \u0631\u0627 \u062f\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/li>\n<\/ul>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u062e\u0644\u0627\u0635\u0647\u060c \u06cc\u0627\u062f\u062f\u0627\u0634\u062a \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u062a\u06a9\u0646\u06cc\u06a9 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0645 \u0648 \u0639\u0627\u0642\u0644\u0627\u0646\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc React \u0634\u0645\u0627 \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0647\u062f. \u0628\u0631\u0627\u06cc \u0628\u0647 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0631\u0633\u0627\u0646\u062f\u0646 \u0645\u0632\u0627\u06cc\u0627\u060c \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u067e\u0631\u0648\u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u062e\u0648\u062f \u0631\u0627 \u062a\u062c\u0632\u06cc\u0647 \u0648 \u062a\u062d\u0644\u06cc\u0644 \u06a9\u0646\u06cc\u062f \u0648 \u0646\u0642\u0627\u0637\u06cc \u0631\u0627 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 React.memo\u060c useMemo \u0648 useCallback \u0648\u0627\u0642\u0639\u0627\u064b \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u0641\u0627\u0648\u062a \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u0646\u062a\u0638\u0627\u0631 \u0622\u0645\u0648\u0632\u0634 \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645 \u0631\u0627 \u0646\u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0647\u062f\u0641 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u062f\u06cc\u062f\u06af\u0627\u0647 \u062e\u0648\u062f \u0631\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0634\u06cc\u0648\u0647 \u0627\u06cc \u0634\u062e\u0635\u06cc \u062a\u0631 \u0648 \u0622\u0631\u0627\u0645 \u062a\u0631 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u0645. \u062d\u0641\u0638 \u06a9\u0631\u062f\u0646 \u0686\u06cc\u0633\u062a\u061f \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0647\u06cc\u0647 \u06cc\u06a9 \u06a9\u06cc\u06a9 \u0647\u0633\u062a\u06cc\u062f. \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"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-82714","post","type-post","status-publish","format-standard","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/82714","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=82714"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/82714\/revisions"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=82714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=82714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=82714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}