{"id":88839,"date":"2024-12-18T21:54:46","date_gmt":"2024-12-18T18:24:46","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/"},"modified":"2024-12-18T21:54:46","modified_gmt":"2024-12-18T18:24:46","slug":"mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/","title":{"rendered":"\u062a\u0633\u0644\u0637 \u0628\u0631 React&#39;s useReducer Hook: Managing Complex State with Actions"},"content":{"rendered":"<p>Summarize this content to 400 words in Persian Lang <\/p>\n<p>  useReducer  \u062f\u0631 React \u0647\u0648\u06a9 \u06a9\u0646\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646 useReducer  \u0647\u0648\u06a9 \u06cc\u06a9 \u0642\u0644\u0627\u0628 \u062f\u0627\u062e\u0644\u06cc React \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u0648\u0636\u0639\u06cc\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u062f\u0631 \u0627\u062c\u0632\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc useState  \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0644\u062a\u06cc \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0641\u0631\u0639\u06cc \u0627\u0633\u062a \u06cc\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u0633\u062a\u060c \u0642\u0644\u0627\u0628 \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 useState \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0644\u062a \u0633\u0627\u062f\u0647 \u062e\u0648\u0628 \u0627\u0633\u062a\u060c useReducer \u0631\u0648\u0634\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u0645\u0646\u062f\u062a\u0631 \u0648 \u0645\u0642\u06cc\u0627\u0633\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0642\u0627\u0644\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0628\u0647 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0648\u0627\u0628\u0633\u062a\u0647 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<p>  \u0686\u06cc\u0633\u062a useReducer?<\/p>\n<p>\u0627\u06cc\u0646 useReducer  \u0642\u0644\u0627\u0628 \u0627\u063a\u0644\u0628 \u0632\u0645\u0627\u0646\u06cc \u062a\u0631\u062c\u06cc\u062d \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647:<\/p>\n<p>\u062d\u0627\u0644\u062a \u062f\u0627\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u062a\u0639\u062f\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u0646\u062f.<br \/>\n\u0634\u0645\u0627 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u06cc \u062f\u0627\u0631\u06cc\u062f.<br \/>\n\u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0635\u0631\u06cc\u062d \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f (\u0645\u0627\u0646\u0646\u062f Redux).<\/p>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 a \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0627\u0647\u0646\u062f\u0647 \u06a9\u0647 \u062d\u0627\u0644\u062a \u0641\u0639\u0644\u06cc \u0648 \u06cc\u06a9 \u0639\u0645\u0644 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f \u0648 \u06cc\u06a9 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0627 \u0627\u0644\u0647\u0627\u0645 \u0627\u0632 Redux \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a\u06cc<\/p>\n<p>  \u0646\u062d\u0648 \u0627\u0632 useReducer<\/p>\n<p>const [state, dispatch] = useReducer(reducer, initialState);<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>reducer: \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u062d\u0627\u0644\u062a \u0641\u0639\u0644\u06cc \u0648 \u06cc\u06a9 \u0639\u0645\u0644 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f \u0648 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n<p>initialState: \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647 \u06a9\u0647 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0628\u0627 \u0622\u0646 \u06a9\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.<\/p>\n<p>state: \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc\u060c \u0628\u0647 \u0631\u0648\u0632 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0647\u0646\u062f\u0647.<\/p>\n<p>dispatch: \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u0634\u200c\u0647\u0627 \u0628\u0647 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0631\u0627 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>  \u0686\u06af\u0648\u0646\u0647 useReducer \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f<\/p>\n<p>\u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0646\u062f\u0647:<br \/>\n\u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0646\u062f\u0647 \u062f\u0648 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f: \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0648 \u0639\u0645\u0644. \u0627\u0632 \u0627\u06cc\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u06cc\u06a9 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>   const reducer = (state, action) =&gt; {<br \/>\n     switch (action.type) {<br \/>\n       case &#8216;increment&#8217;:<br \/>\n         return { count: state.count + 1 };<br \/>\n       case &#8216;decrement&#8217;:<br \/>\n         return { count: state.count &#8211; 1 };<br \/>\n       default:<br \/>\n         return state;<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>\u062a\u0639\u0631\u06cc\u0641 \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647:<br \/>\n\u0627\u06cc\u0646 initialState \u0646\u0642\u0637\u0647 \u0634\u0631\u0648\u0639 \u0627\u06cc\u0627\u0644\u062a \u0642\u0628\u0644 \u0627\u0632 \u0627\u0646\u062c\u0627\u0645 \u0647\u0631 \u0627\u0642\u062f\u0627\u0645\u06cc \u0627\u0633\u062a.<\/p>\n<p>   const initialState = { count: 0 };<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f useReducer \u062f\u0631 \u0645\u0624\u0644\u0641\u0647 \u0634\u0645\u0627:<br \/>\n\u0627\u06a9\u0646\u0648\u0646\u060c \u062f\u0631 \u062f\u0627\u062e\u0644 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u062e\u0648\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f useReducer \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062f\u0648\u0644\u062a \u0634\u0645\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f state \u0648 dispatch \u0627\u0632 \u0642\u0644\u0627\u0628<\/p>\n<p>   const Counter = () =&gt; {<br \/>\n     const [state, dispatch] = useReducer(reducer, initialState);<\/p>\n<p>     return (<br \/>\n       &lt;div&gt;<br \/>\n         &lt;p&gt;Count: {state.count}&lt;\/p&gt;<br \/>\n         &lt;button onClick={() =&gt; dispatch({ type: &#8216;increment&#8217; })}&gt;Increment&lt;\/button&gt;<br \/>\n         &lt;button onClick={() =&gt; dispatch({ type: &#8216;decrement&#8217; })}&gt;Decrement&lt;\/button&gt;<br \/>\n       &lt;\/div&gt;<br \/>\n     );<br \/>\n   };<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062a\u0648\u0636\u06cc\u062d:<\/p>\n<p>\u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 Increment \u062f\u06a9\u0645\u0647 \u06a9\u0644\u06cc\u06a9 \u0645\u06cc \u0634\u0648\u062f\u060c \u06cc\u06a9 \u0639\u0645\u0644 \u0628\u0627 \u0646\u0648\u0639 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f &#8216;increment&#8217;.<br \/>\n\u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0627\u06cc\u0646 \u0639\u0645\u0644 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0631\u062f\u0647 \u0648 \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0645\u062a\u0646\u0627\u0633\u0628 \u0628\u0627 \u0622\u0646 \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>dispatch  \u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a \u0628\u0627 \u0627\u0631\u0633\u0627\u0644 \u06cc\u06a9 \u0639\u0645\u0644 \u0628\u0647 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>  \u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644 \u0628\u0627 useReducer:<\/p>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f useReducer \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0646\u062f\u0647:<\/p>\n<p>import React, { useReducer } from &#8216;react&#8217;;<\/p>\n<p>\/\/ Reducer function<br \/>\nconst reducer = (state, action) =&gt; {<br \/>\n  switch (action.type) {<br \/>\n    case &#8216;increment&#8217;:<br \/>\n      return { count: state.count + 1 };<br \/>\n    case &#8216;decrement&#8217;:<br \/>\n      return { count: state.count &#8211; 1 };<br \/>\n    case &#8216;reset&#8217;:<br \/>\n      return { count: 0 };<br \/>\n    default:<br \/>\n      return state;<br \/>\n  }<br \/>\n};<\/p>\n<p>\/\/ Initial state<br \/>\nconst initialState = { count: 0 };<\/p>\n<p>const Counter = () =&gt; {<br \/>\n  const [state, dispatch] = useReducer(reducer, initialState);<\/p>\n<p>  return (<br \/>\n    &lt;div&gt;<br \/>\n      &lt;h2&gt;Count: {state.count}&lt;\/h2&gt;<br \/>\n      &lt;button onClick={() =&gt; dispatch({ type: &#8216;increment&#8217; })}&gt;Increment&lt;\/button&gt;<br \/>\n      &lt;button onClick={() =&gt; dispatch({ type: &#8216;decrement&#8217; })}&gt;Decrement&lt;\/button&gt;<br \/>\n      &lt;button onClick={() =&gt; dispatch({ type: &#8216;reset&#8217; })}&gt;Reset&lt;\/button&gt;<br \/>\n    &lt;\/div&gt;<br \/>\n  );<br \/>\n};<\/p>\n<p>export default Counter;<\/p>\n<p>    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/p>\n<p>    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/p>\n<p>\u062a\u0648\u0636\u06cc\u062d:<\/p>\n<p>useReducer  \u0628\u0627 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f reducer \u062a\u0627\u0628\u0639 \u0648 initialState.<\/p>\n<p>dispatch  \u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0627\u0642\u062f\u0627\u0645\u0627\u062a (\u0627\u0641\u0632\u0627\u06cc\u0634\u060c \u06a9\u0627\u0647\u0634 \u06cc\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0645\u062c\u062f\u062f) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<br \/>\n\u0647\u0631 \u0639\u0645\u0644 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0646\u0648\u0639 \u0627\u0642\u062f\u0627\u0645 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0628\u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>  \u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 useReducer \u062a\u0645\u0627\u0645 \u0634\u062f useState<\/p>\n<p>\u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647: \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062d\u0627\u0644\u062a \u0634\u0627\u0645\u0644 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0641\u0631\u0639\u06cc \u06cc\u0627 \u0627\u0646\u062a\u0642\u0627\u0644 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u06cc\u0646 \u062d\u0627\u0644\u062a \u0628\u0627\u0634\u062f.<\/p>\n<p>\u0645\u062b\u0627\u0644: \u0645\u062f\u06cc\u0631\u06cc\u062a \u06cc\u06a9 \u0641\u0631\u0645 \u0628\u0627 \u0686\u0646\u062f\u06cc\u0646 \u0641\u06cc\u0644\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u0644 \u0628\u0647 \u0631\u0648\u0632 \u0634\u0648\u0646\u062f \u0627\u0645\u0627 \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u0646\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0627\u0642\u062f\u0627\u0645 \u0628\u0647\u062a\u0631 \u0627\u0633\u062a: \u0627\u06af\u0631 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0634\u0645\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u062d\u0627\u0644\u062a \u0631\u0627 \u0628\u0647 \u0637\u0631\u0642 \u0645\u062e\u062a\u0644\u0641 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u062f\u0647\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0641\u0632\u0627\u06cc\u0634\u060c \u06a9\u0627\u0647\u0634\u060c \u062a\u0646\u0638\u06cc\u0645 \u0645\u062c\u062f\u062f).<br \/>\n\u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc: useReducer  \u0642\u0627\u0628\u0644 \u067e\u06cc\u0634 \u0628\u06cc\u0646\u06cc \u062a\u0631 \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u067e\u0630\u06cc\u0631\u062a\u0631 \u0627\u0633\u062a. \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u0635\u0631\u06cc\u062d \u0627\u0633\u062a (\u0627\u0632 \u0637\u0631\u06cc\u0642 \u0627\u0642\u062f\u0627\u0645\u0627\u062a)\u060c \u0631\u062f\u06cc\u0627\u0628\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0648 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<br \/>\n\u0628\u06cc\u0634\u062a\u0631 \u0634\u0628\u06cc\u0647 Redux: \u0627\u06af\u0631 \u062f\u0631 \u062d\u0627\u0644 \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u0628\u0632\u0631\u06af\u062a\u0631 \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u0628\u0639\u062f\u0627\u064b \u0627\u0632 Redux \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f\u060c useReducer \u0627\u0644\u06af\u0648\u06cc \u0645\u0634\u0627\u0628\u0647\u06cc \u062f\u0627\u0631\u062f \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u067e\u0644\u0647 \u062e\u0648\u0628\u06cc \u0628\u0627\u0634\u062f.<\/p>\n<p>  \u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f<\/p>\n<p>\u062f\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc: \u062f\u0631 React\u060c \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u200c\u0647\u0627 \u062a\u0648\u0633\u0637 useReducer \u062f\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0627\u0631\u0633\u0627\u0644\u200c\u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f (\u062d\u062a\u06cc \u0627\u06af\u0631 \u067e\u0634\u062a \u0633\u0631 \u0647\u0645 \u0628\u0627\u0634\u0646\u062f) \u062f\u0631 \u06cc\u06a9 \u0686\u0631\u062e\u0647 \u0631\u0646\u062f\u0631 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<br \/>\n\u0627\u062c\u062a\u0646\u0627\u0628 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f: \u0627\u06af\u0631 \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u0634\u0645\u0627 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a (\u0645\u062b\u0644\u0627\u064b \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0646\u062f\u0647)\u060c \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f useState \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u0633\u0627\u062f\u0647 \u062a\u0631 \u0627\u0633\u062a \u0648 \u0627\u0632 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f useReducer \u0648\u0642\u062a\u06cc \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n<p>  \u0645\u0642\u0627\u06cc\u0633\u0647 \u06a9\u0631\u062f\u0646 useState \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 useReducer<\/p>\n<p>\u0648\u06cc\u0698\u06af\u06cc<br \/>\nuseState<br \/>\nuseReducer<\/p>\n<p>\u0633\u0627\u062f\u06af\u06cc<br \/>\n\u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u062d\u0627\u0644\u062a \u0633\u0627\u062f\u0647 \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0648\u0644\u06cc\u0647<br \/>\n\u0628\u0647\u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u0628\u0631\u0627\u06cc \u0648\u0636\u0639\u06cc\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06cc\u0627 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0686\u0646\u062f\u06af\u0627\u0646\u0647<\/p>\n<p>\u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0648\u0644\u062a\u06cc<br \/>\n\u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0646\u0641\u0631\u062f \u06cc\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\/\u0627\u0634\u06cc\u0627\u0621 \u0628\u0647 \u062e\u0648\u0628\u06cc \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f<br \/>\n\u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0627\u0634\u06cc\u0627\u0621 \u062d\u0627\u0644\u062a \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0641\u0631\u0639\u06cc \u0645\u062a\u0639\u062f\u062f<\/p>\n<p>\u0627\u06a9\u0634\u0646 \u0647\u0646\u062f\u0644\u06cc\u0646\u06af<br \/>\n\u0628\u0647 \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u062f. \u0641\u0642\u0637 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a \u0645\u0633\u062a\u0642\u06cc\u0645<br \/>\n\u0628\u0631\u0627\u06cc \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a \u0628\u0647 \u0627\u0634\u06cc\u0627\u0621 \u0639\u0645\u0644 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f<\/p>\n<p>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0648\u0631\u062f<br \/>\n\u0642\u0637\u0639\u0627\u062a \u06a9\u0648\u0686\u06a9 \u0648 \u0645\u0633\u062a\u0642\u0644 \u0627\u0632 \u062f\u0648\u0644\u062a<br \/>\n\u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u0627 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0632\u06cc\u0627\u062f<\/p>\n<p>  \u062e\u0644\u0627\u0635\u0647 \u0627\u0632 useReducer \u0642\u0644\u0627\u0628<\/p>\n<p>useReducer  \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0631 React \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<br \/>\n\u06a9\u0646\u062a\u0631\u0644 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0628\u0631 \u0631\u0648\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 useState \u0648 \u0632\u0645\u0627\u0646\u06cc \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0627\u0633\u062a \u06a9\u0647 \u062d\u0627\u0644\u062a \u0628\u0647 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u062f \u06cc\u0627 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0628\u0647 \u0631\u0648\u0634\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 \u06cc\u0627\u0641\u062a\u0647 \u0628\u0627\u0634\u062f.<br \/>\n\u0642\u0644\u0627\u0628 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f: \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0648 a dispatch \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u06a9\u0647 \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f.<br \/>\n\u0627\u0632 a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0627\u0647\u0646\u062f\u0647 \u06a9\u0647 \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0648 \u0627\u0642\u062f\u0627\u0645\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<p>  \u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/p>\n<p>\u0627\u06cc\u0646 useReducer  \u0647\u0648\u06a9 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062d\u0627\u0644\u062a \u062f\u0631 React \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0646\u062a\u0631\u0644 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0628\u0631 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0646\u062a\u0642\u0627\u0644\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0631\u0627 \u06a9\u0647 \u0628\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u06cc\u0627 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0645\u062a\u0639\u062f\u062f \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f\u060c \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06af\u0631 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0634\u0645\u0627 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 \u06cc\u0627\u0641\u062a\u0647 \u062f\u0627\u0631\u062f\u060c \u06cc\u0627 \u0627\u06af\u0631 \u0627\u0632 Redux \u0622\u0645\u062f\u0647 \u0627\u06cc\u062f\u060c useReducer \u06cc\u06a9 \u0631\u0627\u0647 \u062d\u0644 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a<\/p>\n<div data-article-id=\"2163698\" 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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#useReducer_%D8%AF%D8%B1_React_%D9%87%D9%88%DA%A9_%DA%A9%D9%86%DB%8C%D8%AF\" >useReducer  \u062f\u0631 React \u0647\u0648\u06a9 \u06a9\u0646\u06cc\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%DA%86%DB%8C%D8%B3%D8%AA_useReducer\" >\u0686\u06cc\u0633\u062a useReducer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%D9%86%D8%AD%D9%88_%D8%A7%D8%B2_useReducer\" >\u0646\u062d\u0648 \u0627\u0632 useReducer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%DA%86%DA%AF%D9%88%D9%86%D9%87_useReducer_%DA%A9%D8%A7%D8%B1_%D9%85%DB%8C_%DA%A9%D9%86%D8%AF\" >\u0686\u06af\u0648\u0646\u0647 useReducer \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%D9%85%D8%AB%D8%A7%D9%84_%DA%A9%D8%A7%D9%85%D9%84_%D8%A8%D8%A7_useReducer\" >\u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644 \u0628\u0627 useReducer:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%D8%B2%D9%85%D8%A7%D9%86_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_useReducer_%D8%AA%D9%85%D8%A7%D9%85_%D8%B4%D8%AF_useState\" >\u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 useReducer \u062a\u0645\u0627\u0645 \u0634\u062f useState<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF\" >\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%D9%85%D9%82%D8%A7%DB%8C%D8%B3%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_useState_%D8%AF%D8%B1_%D9%85%D9%82%D8%A7%D8%A8%D9%84_useReducer\" >\u0645\u0642\u0627\u06cc\u0633\u0647 \u06a9\u0631\u062f\u0646 useState \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 useReducer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%D8%AE%D9%84%D8%A7%D8%B5%D9%87_%D8%A7%D8%B2_useReducer_%D9%82%D9%84%D8%A7%D8%A8\" >\u062e\u0644\u0627\u0635\u0647 \u0627\u0632 useReducer \u0642\u0644\u0627\u0628<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nabfollower.com\/blog\/mastering-reacts-usereducer-hook-managing-complex-state-with-actions-1pho\/#%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\" >\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"useReducer_%D8%AF%D8%B1_React_%D9%87%D9%88%DA%A9_%DA%A9%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  <strong><code>useReducer<\/code>  \u062f\u0631 React \u0647\u0648\u06a9 \u06a9\u0646\u06cc\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u06cc\u0646 <strong><code>useReducer<\/code><\/strong>  \u0647\u0648\u06a9 \u06cc\u06a9 \u0642\u0644\u0627\u0628 \u062f\u0627\u062e\u0644\u06cc React \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u0648\u0636\u0639\u06cc\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u062f\u0631 \u0627\u062c\u0632\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc <strong><code>useState<\/code><\/strong>  \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0644\u062a\u06cc \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0641\u0631\u0639\u06cc \u0627\u0633\u062a \u06cc\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u0633\u062a\u060c \u0642\u0644\u0627\u0628 \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 <code>useState<\/code> \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0644\u062a \u0633\u0627\u062f\u0647 \u062e\u0648\u0628 \u0627\u0633\u062a\u060c <code>useReducer<\/code> \u0631\u0648\u0634\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u0645\u0646\u062f\u062a\u0631 \u0648 \u0645\u0642\u06cc\u0627\u0633\u200c\u067e\u0630\u06cc\u0631\u062a\u0631 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0628\u0647\u200c\u0648\u06cc\u0698\u0647 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0642\u0627\u0644\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0628\u0647 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0648\u0627\u0628\u0633\u062a\u0647 \u0647\u0633\u062a\u0646\u062f.<\/p>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%DA%86%DB%8C%D8%B3%D8%AA_useReducer\"><\/span>\n<p>  <strong>\u0686\u06cc\u0633\u062a <code>useReducer<\/code>?<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u06cc\u0646 <strong><code>useReducer<\/code><\/strong>  \u0642\u0644\u0627\u0628 \u0627\u063a\u0644\u0628 \u0632\u0645\u0627\u0646\u06cc \u062a\u0631\u062c\u06cc\u062d \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647:<\/p>\n<ul>\n<li>\u062d\u0627\u0644\u062a \u062f\u0627\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u062a\u0639\u062f\u062f\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u0646\u062f.<\/li>\n<li>\u0634\u0645\u0627 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u06cc \u062f\u0627\u0631\u06cc\u062f.<\/li>\n<li>\u0634\u0645\u0627 \u0628\u0627\u06cc\u062f \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0631\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0635\u0631\u06cc\u062d \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f (\u0645\u0627\u0646\u0646\u062f Redux).<\/li>\n<\/ul>\n<p>\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 a \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f <strong>\u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0627\u0647\u0646\u062f\u0647<\/strong> \u06a9\u0647 \u062d\u0627\u0644\u062a \u0641\u0639\u0644\u06cc \u0648 \u06cc\u06a9 \u0639\u0645\u0644 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f \u0648 \u06cc\u06a9 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0644\u06af\u0648 \u0628\u0627 \u0627\u0644\u0647\u0627\u0645 \u0627\u0632 <strong>Redux<\/strong> \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0648\u0644\u062a\u06cc<\/p>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%AD%D9%88_%D8%A7%D8%B2_useReducer\"><\/span>\n<p>  <strong>\u0646\u062d\u0648 \u0627\u0632 <code>useReducer<\/code><\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">dispatch<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">reducer<\/span><span class=\"p\">,<\/span> <span class=\"nx\">initialState<\/span><span class=\"p\">);<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong><code>reducer<\/code><\/strong>: \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u062d\u0627\u0644\u062a \u0641\u0639\u0644\u06cc \u0648 \u06cc\u06a9 \u0639\u0645\u0644 \u0631\u0627 \u0645\u06cc \u06af\u06cc\u0631\u062f \u0648 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f.<\/li>\n<li>\n<strong><code>initialState<\/code><\/strong>: \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647 \u06a9\u0647 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0628\u0627 \u0622\u0646 \u06a9\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f.<\/li>\n<li>\n<strong><code>state<\/code><\/strong>: \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc\u060c \u0628\u0647 \u0631\u0648\u0632 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0647\u0646\u062f\u0647.<\/li>\n<li>\n<strong><code>dispatch<\/code><\/strong>: \u062a\u0627\u0628\u0639\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u0634\u200c\u0647\u0627 \u0628\u0647 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0631\u0627 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%DA%86%DA%AF%D9%88%D9%86%D9%87_useReducer_%DA%A9%D8%A7%D8%B1_%D9%85%DB%8C_%DA%A9%D9%86%D8%AF\"><\/span>\n<p>  <strong>\u0686\u06af\u0648\u0646\u0647 <code>useReducer<\/code> \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>\n<strong>\u0627\u06cc\u062c\u0627\u062f \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0646\u062f\u0647:<\/strong><br \/>\n\u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0646\u062f\u0647 \u062f\u0648 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f: \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0648 \u0639\u0645\u0644. \u0627\u0632 \u0627\u06cc\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u06cc\u06a9 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.\n<\/li>\n<\/ol>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code>   <span class=\"kd\">const<\/span> <span class=\"nx\">reducer<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">action<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n     <span class=\"k\">switch <\/span><span class=\"p\">(<\/span><span class=\"nx\">action<\/span><span class=\"p\">.<\/span><span class=\"nx\">type<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n       <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">increment<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\n         <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">};<\/span>\n       <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">decrement<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\n         <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span> <span class=\"o\">-<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">};<\/span>\n       <span class=\"nl\">default<\/span><span class=\"p\">:<\/span>\n         <span class=\"k\">return<\/span> <span class=\"nx\">state<\/span><span class=\"p\">;<\/span>\n     <span class=\"p\">}<\/span>\n   <span class=\"p\">};<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ol>\n<li>\n<strong>\u062a\u0639\u0631\u06cc\u0641 \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647:<\/strong><br \/>\n\u0627\u06cc\u0646 <code>initialState<\/code> \u0646\u0642\u0637\u0647 \u0634\u0631\u0648\u0639 \u0627\u06cc\u0627\u0644\u062a \u0642\u0628\u0644 \u0627\u0632 \u0627\u0646\u062c\u0627\u0645 \u0647\u0631 \u0627\u0642\u062f\u0627\u0645\u06cc \u0627\u0633\u062a.\n<\/li>\n<\/ol>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code>   <span class=\"kd\">const<\/span> <span class=\"nx\">initialState<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">};<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ol>\n<li>\n<strong>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>useReducer<\/code> \u062f\u0631 \u0645\u0624\u0644\u0641\u0647 \u0634\u0645\u0627:<\/strong><br \/>\n\u0627\u06a9\u0646\u0648\u0646\u060c \u062f\u0631 \u062f\u0627\u062e\u0644 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u062e\u0648\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>useReducer<\/code> \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062f\u0648\u0644\u062a \u0634\u0645\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f <code>state<\/code> \u0648 <code>dispatch<\/code> \u0627\u0632 \u0642\u0644\u0627\u0628\n<\/li>\n<\/ol>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code>   <span class=\"kd\">const<\/span> <span class=\"nx\">Counter<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n     <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">dispatch<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">reducer<\/span><span class=\"p\">,<\/span> <span class=\"nx\">initialState<\/span><span class=\"p\">);<\/span>\n\n     <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\n       <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span><span class=\"o\">&gt;<\/span>\n         <span class=\"o\">&lt;<\/span><span class=\"nx\">p<\/span><span class=\"o\">&gt;<\/span><span class=\"na\">Count<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span><span class=\"p\">}<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/p<\/span><span class=\"err\">&gt;\n<\/span>         <span class=\"o\">&lt;<\/span><span class=\"nx\">button<\/span> <span class=\"nx\">onClick<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">dispatch<\/span><span class=\"p\">({<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">increment<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})}<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">Increment<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/button<\/span><span class=\"err\">&gt;\n<\/span>         <span class=\"o\">&lt;<\/span><span class=\"nx\">button<\/span> <span class=\"nx\">onClick<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">dispatch<\/span><span class=\"p\">({<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">decrement<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})}<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">Decrement<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/button<\/span><span class=\"err\">&gt;\n<\/span>       <span class=\"o\">&lt;<\/span><span class=\"sr\">\/div<\/span><span class=\"err\">&gt;\n<\/span>     <span class=\"p\">);<\/span>\n   <span class=\"p\">};<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u062a\u0648\u0636\u06cc\u062d:<\/strong><\/p>\n<ul>\n<li>\u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 <code>Increment<\/code> \u062f\u06a9\u0645\u0647 \u06a9\u0644\u06cc\u06a9 \u0645\u06cc \u0634\u0648\u062f\u060c \u06cc\u06a9 \u0639\u0645\u0644 \u0628\u0627 \u0646\u0648\u0639 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f <code>'increment'<\/code>.<\/li>\n<li>\u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0627\u06cc\u0646 \u0639\u0645\u0644 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u06a9\u0631\u062f\u0647 \u0648 \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0645\u062a\u0646\u0627\u0633\u0628 \u0628\u0627 \u0622\u0646 \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\n<code>dispatch<\/code>  \u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a \u0628\u0627 \u0627\u0631\u0633\u0627\u0644 \u06cc\u06a9 \u0639\u0645\u0644 \u0628\u0647 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D8%AB%D8%A7%D9%84_%DA%A9%D8%A7%D9%85%D9%84_%D8%A8%D8%A7_useReducer\"><\/span>\n<p>  <strong>\u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644 \u0628\u0627 <code>useReducer<\/code>:<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u06a9\u0627\u0645\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f <code>useReducer<\/code> \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0646\u062f\u0647:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight javascript\"><code><span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useReducer<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\n\n<span class=\"c1\">\/\/ Reducer function<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">reducer<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">action<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"k\">switch <\/span><span class=\"p\">(<\/span><span class=\"nx\">action<\/span><span class=\"p\">.<\/span><span class=\"nx\">type<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\n    <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">increment<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\n      <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">};<\/span>\n    <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">decrement<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\n      <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span> <span class=\"o\">-<\/span> <span class=\"mi\">1<\/span> <span class=\"p\">};<\/span>\n    <span class=\"k\">case<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">reset<\/span><span class=\"dl\">'<\/span><span class=\"p\">:<\/span>\n      <span class=\"k\">return<\/span> <span class=\"p\">{<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">};<\/span>\n    <span class=\"nl\">default<\/span><span class=\"p\">:<\/span>\n      <span class=\"k\">return<\/span> <span class=\"nx\">state<\/span><span class=\"p\">;<\/span>\n  <span class=\"p\">}<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"c1\">\/\/ Initial state<\/span>\n<span class=\"kd\">const<\/span> <span class=\"nx\">initialState<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"na\">count<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">};<\/span>\n\n<span class=\"kd\">const<\/span> <span class=\"nx\">Counter<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">state<\/span><span class=\"p\">,<\/span> <span class=\"nx\">dispatch<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useReducer<\/span><span class=\"p\">(<\/span><span class=\"nx\">reducer<\/span><span class=\"p\">,<\/span> <span class=\"nx\">initialState<\/span><span class=\"p\">);<\/span>\n\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span><span class=\"o\">&gt;<\/span>\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">h2<\/span><span class=\"o\">&gt;<\/span><span class=\"na\">Count<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">count<\/span><span class=\"p\">}<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/h2<\/span><span class=\"err\">&gt;\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">button<\/span> <span class=\"nx\">onClick<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">dispatch<\/span><span class=\"p\">({<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">increment<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})}<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">Increment<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/button<\/span><span class=\"err\">&gt;\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">button<\/span> <span class=\"nx\">onClick<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">dispatch<\/span><span class=\"p\">({<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">decrement<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})}<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">Decrement<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/button<\/span><span class=\"err\">&gt;\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">button<\/span> <span class=\"nx\">onClick<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">dispatch<\/span><span class=\"p\">({<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">reset<\/span><span class=\"dl\">'<\/span> <span class=\"p\">})}<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">Reset<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/button<\/span><span class=\"err\">&gt;\n<\/span>    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/div<\/span><span class=\"err\">&gt;\n<\/span>  <span class=\"p\">);<\/span>\n<span class=\"p\">};<\/span>\n\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">Counter<\/span><span class=\"p\">;<\/span>\n<\/code><\/pre>\n<div class=\"highlight__panel js-actions-panel\">\n<div class=\"highlight__panel-action js-fullscreen-code-action\">\n    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-on\"><title>\u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M16 3h6v6h-2V5h-4V3zM2 3h6v2H4v4H2V3zm18 16v-4h2v6h-6v-2h4zM4 19h4v2H2v-6h2v4z\"\/>\n<\/svg><\/p>\n<p>    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" class=\"highlight-action crayons-icon highlight-action--fullscreen-off\"><title>\u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    <path d=\"M18 7h4v2h-6V3h2v4zM8 9H2V7h4V3h2v6zm10 8v4h-2v-6h6v2h-4zM8 15v6H6v-4H2v-2h6z\"\/>\n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n<ul>\n<li>\n<strong>\u062a\u0648\u0636\u06cc\u062d:<\/strong><\/p>\n<ul>\n<li>\n<code>useReducer<\/code>  \u0628\u0627 \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f <code>reducer<\/code> \u062a\u0627\u0628\u0639 \u0648 <code>initialState<\/code>.<\/li>\n<li>\n<code>dispatch<\/code>  \u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0627\u0642\u062f\u0627\u0645\u0627\u062a (\u0627\u0641\u0632\u0627\u06cc\u0634\u060c \u06a9\u0627\u0647\u0634 \u06cc\u0627 \u062a\u0646\u0638\u06cc\u0645 \u0645\u062c\u062f\u062f) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li>\u0647\u0631 \u0639\u0645\u0644 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0646\u0648\u0639 \u0627\u0642\u062f\u0627\u0645 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0628\u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D8%B2%D9%85%D8%A7%D9%86_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_useReducer_%D8%AA%D9%85%D8%A7%D9%85_%D8%B4%D8%AF_useState\"><\/span>\n<p>  <strong>\u0632\u0645\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 <code>useReducer<\/code> \u062a\u0645\u0627\u0645 \u0634\u062f <code>useState<\/code><\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong>\u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647:<\/strong> \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062d\u0627\u0644\u062a \u0634\u0627\u0645\u0644 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0641\u0631\u0639\u06cc \u06cc\u0627 \u0627\u0646\u062a\u0642\u0627\u0644 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u06cc\u0646 \u062d\u0627\u0644\u062a \u0628\u0627\u0634\u062f.<\/li>\n<\/ul>\n<p>\u0645\u062b\u0627\u0644: \u0645\u062f\u06cc\u0631\u06cc\u062a \u06cc\u06a9 \u0641\u0631\u0645 \u0628\u0627 \u0686\u0646\u062f\u06cc\u0646 \u0641\u06cc\u0644\u062f \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u0641\u06cc\u0644\u062f\u0647\u0627 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0637\u0648\u0631 \u0645\u0633\u062a\u0642\u0644 \u0628\u0647 \u0631\u0648\u0632 \u0634\u0648\u0646\u062f \u0627\u0645\u0627 \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u0646\u062f.<\/p>\n<ul>\n<li>\n<p><strong>\u0628\u0631\u0627\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0627\u0642\u062f\u0627\u0645 \u0628\u0647\u062a\u0631 \u0627\u0633\u062a:<\/strong> \u0627\u06af\u0631 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0634\u0645\u0627 \u0639\u0645\u0644\u06a9\u0631\u062f\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u062d\u0627\u0644\u062a \u0631\u0627 \u0628\u0647 \u0637\u0631\u0642 \u0645\u062e\u062a\u0644\u0641 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u062f\u0647\u062f (\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u0627\u0641\u0632\u0627\u06cc\u0634\u060c \u06a9\u0627\u0647\u0634\u060c \u062a\u0646\u0638\u06cc\u0645 \u0645\u062c\u062f\u062f).<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc:<\/strong> <code>useReducer<\/code>  \u0642\u0627\u0628\u0644 \u067e\u06cc\u0634 \u0628\u06cc\u0646\u06cc \u062a\u0631 \u0648 \u0622\u0632\u0645\u0627\u06cc\u0634 \u067e\u0630\u06cc\u0631\u062a\u0631 \u0627\u0633\u062a. \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u0635\u0631\u06cc\u062d \u0627\u0633\u062a (\u0627\u0632 \u0637\u0631\u06cc\u0642 \u0627\u0642\u062f\u0627\u0645\u0627\u062a)\u060c \u0631\u062f\u06cc\u0627\u0628\u06cc \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0648 \u0627\u0634\u06a9\u0627\u0644 \u0632\u062f\u0627\u06cc\u06cc \u0631\u0627 \u0622\u0633\u0627\u0646 \u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0628\u06cc\u0634\u062a\u0631 \u0634\u0628\u06cc\u0647 Redux:<\/strong> \u0627\u06af\u0631 \u062f\u0631 \u062d\u0627\u0644 \u0633\u0627\u062e\u062a \u06cc\u06a9 \u0628\u0631\u0646\u0627\u0645\u0647 \u062f\u0631 \u0645\u0642\u06cc\u0627\u0633 \u0628\u0632\u0631\u06af\u062a\u0631 \u0647\u0633\u062a\u06cc\u062f \u06a9\u0647 \u0628\u0639\u062f\u0627\u064b \u0627\u0632 Redux \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062e\u0648\u0627\u0647\u062f \u06a9\u0631\u062f\u060c <code>useReducer<\/code> \u0627\u0644\u06af\u0648\u06cc \u0645\u0634\u0627\u0628\u0647\u06cc \u062f\u0627\u0631\u062f \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u067e\u0644\u0647 \u062e\u0648\u0628\u06cc \u0628\u0627\u0634\u062f.<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D9%84%D8%A7%D8%AD%D8%B8%D8%A7%D8%AA_%D8%B9%D9%85%D9%84%DA%A9%D8%B1%D8%AF\"><\/span>\n<p>  <strong>\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<p><strong>\u062f\u0633\u062a\u0647 \u0628\u0646\u062f\u06cc:<\/strong> \u062f\u0631 React\u060c \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u200c\u0647\u0627 \u062a\u0648\u0633\u0637 <code>useReducer<\/code> \u062f\u0633\u062a\u0647\u200c\u0628\u0646\u062f\u06cc \u0645\u06cc\u200c\u0634\u0648\u0646\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0627\u0631\u0633\u0627\u0644\u200c\u0647\u0627\u06cc \u0645\u062a\u0639\u062f\u062f (\u062d\u062a\u06cc \u0627\u06af\u0631 \u067e\u0634\u062a \u0633\u0631 \u0647\u0645 \u0628\u0627\u0634\u0646\u062f) \u062f\u0631 \u06cc\u06a9 \u0686\u0631\u062e\u0647 \u0631\u0646\u062f\u0631 \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/p>\n<\/li>\n<li>\n<p><strong>\u0627\u062c\u062a\u0646\u0627\u0628 \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f:<\/strong> \u0627\u06af\u0631 \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u0634\u0645\u0627 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a (\u0645\u062b\u0644\u0627\u064b \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0646\u062f\u0647)\u060c \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>useState<\/code> \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u0633\u0627\u062f\u0647 \u062a\u0631 \u0627\u0633\u062a \u0648 \u0627\u0632 \u067e\u06cc\u0686\u06cc\u062f\u06af\u06cc \u0647\u0627\u06cc \u063a\u06cc\u0631 \u0636\u0631\u0648\u0631\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f <code>useReducer<\/code> \u0648\u0642\u062a\u06cc \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0633\u0627\u062e\u062a\u0627\u0631 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f.<\/p>\n<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%85%D9%82%D8%A7%DB%8C%D8%B3%D9%87_%DA%A9%D8%B1%D8%AF%D9%86_useState_%D8%AF%D8%B1_%D9%85%D9%82%D8%A7%D8%A8%D9%84_useReducer\"><\/span>\n<p>  <strong>\u0645\u0642\u0627\u06cc\u0633\u0647 \u06a9\u0631\u062f\u0646 <code>useState<\/code> \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 <code>useReducer<\/code><\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"table-wrapper-paragraph\">\n<table>\n<thead>\n<tr>\n<th>\u0648\u06cc\u0698\u06af\u06cc<\/th>\n<th><code>useState<\/code><\/th>\n<th><code>useReducer<\/code><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0633\u0627\u062f\u06af\u06cc<\/strong><\/td>\n<td>\u0627\u06cc\u062f\u0647 \u0622\u0644 \u0628\u0631\u0627\u06cc \u062d\u0627\u0644\u062a \u0633\u0627\u062f\u0647 \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0627\u0648\u0644\u06cc\u0647<\/td>\n<td>\u0628\u0647\u062a\u0631\u06cc\u0646 \u062d\u0627\u0644\u062a \u0628\u0631\u0627\u06cc \u0648\u0636\u0639\u06cc\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u06cc\u0627 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0686\u0646\u062f\u06af\u0627\u0646\u0647<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0633\u0627\u062e\u062a\u0627\u0631 \u062f\u0648\u0644\u062a\u06cc<\/strong><\/td>\n<td>\u0628\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0646\u0641\u0631\u062f \u06cc\u0627 \u0622\u0631\u0627\u06cc\u0647 \u0647\u0627\/\u0627\u0634\u06cc\u0627\u0621 \u0628\u0647 \u062e\u0648\u0628\u06cc \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f<\/td>\n<td>\u0639\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0627\u0634\u06cc\u0627\u0621 \u062d\u0627\u0644\u062a \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0641\u0631\u0639\u06cc \u0645\u062a\u0639\u062f\u062f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u06a9\u0634\u0646 \u0647\u0646\u062f\u0644\u06cc\u0646\u06af<\/strong><\/td>\n<td>\u0628\u0647 \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u0646\u06cc\u0627\u0632 \u0646\u062f\u0627\u0631\u062f. \u0641\u0642\u0637 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a \u0645\u0633\u062a\u0642\u06cc\u0645<\/td>\n<td>\u0628\u0631\u0627\u06cc \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a \u0628\u0647 \u0627\u0634\u06cc\u0627\u0621 \u0639\u0645\u0644 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0648\u0631\u062f<\/strong><\/td>\n<td>\u0642\u0637\u0639\u0627\u062a \u06a9\u0648\u0686\u06a9 \u0648 \u0645\u0633\u062a\u0642\u0644 \u0627\u0632 \u062f\u0648\u0644\u062a<\/td>\n<td>\u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0628\u0627 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0632\u06cc\u0627\u062f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D8%AE%D9%84%D8%A7%D8%B5%D9%87_%D8%A7%D8%B2_useReducer_%D9%82%D9%84%D8%A7%D8%A8\"><\/span>\n<p>  <strong>\u062e\u0644\u0627\u0635\u0647 \u0627\u0632 <code>useReducer<\/code> \u0642\u0644\u0627\u0628<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\n<strong><code>useReducer<\/code><\/strong>  \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0631 React \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li>\u06a9\u0646\u062a\u0631\u0644 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0628\u0631 \u0631\u0648\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0627\u0644\u062a \u062f\u0631 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0628\u0627 <code>useState<\/code> \u0648 \u0632\u0645\u0627\u0646\u06cc \u0627\u06cc\u062f\u0647 \u0622\u0644 \u0627\u0633\u062a \u06a9\u0647 \u062d\u0627\u0644\u062a \u0628\u0647 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u062f \u06cc\u0627 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0628\u0647 \u0631\u0648\u0634\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 \u06cc\u0627\u0641\u062a\u0647 \u0628\u0627\u0634\u062f.<\/li>\n<li>\u0642\u0644\u0627\u0628 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f: \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0648 a <code>dispatch<\/code> \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u06a9\u0647 \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li>\u0627\u0632 a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f <strong>\u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0627\u0647\u0646\u062f\u0647<\/strong> \u06a9\u0647 \u0648\u0636\u0639\u06cc\u062a \u0641\u0639\u0644\u06cc \u0648 \u0627\u0642\u062f\u0627\u0645\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u062d\u0627\u0644\u062a \u062c\u062f\u06cc\u062f \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<\/ul>\n<hr\/>\n<h3><span class=\"ez-toc-section\" id=\"%D9%86%D8%AA%DB%8C%D8%AC%D9%87_%DA%AF%DB%8C%D8%B1%DB%8C\"><\/span>\n<p>  <strong>\u0646\u062a\u06cc\u062c\u0647 \u06af\u06cc\u0631\u06cc<\/strong><br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0627\u06cc\u0646 <strong><code>useReducer<\/code><\/strong>  \u0647\u0648\u06a9 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062d\u0627\u0644\u062a \u062f\u0631 React \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0628\u0647 \u0634\u0645\u0627 \u06a9\u0646\u062a\u0631\u0644 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0628\u0631 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0627\u0646\u062a\u0642\u0627\u0644\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0631\u0627 \u06a9\u0647 \u0628\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u06cc\u0627 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0645\u062a\u0639\u062f\u062f \u0628\u0633\u062a\u06af\u06cc \u062f\u0627\u0631\u062f\u060c \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0627\u06af\u0631 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0634\u0645\u0627 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u06cc \u062f\u0627\u0631\u062f \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 \u06cc\u0627\u0641\u062a\u0647 \u062f\u0627\u0631\u062f\u060c \u06cc\u0627 \u0627\u06af\u0631 \u0627\u0632 Redux \u0622\u0645\u062f\u0647 \u0627\u06cc\u062f\u060c <code>useReducer<\/code> \u06cc\u06a9 \u0631\u0627\u0647 \u062d\u0644 \u0639\u0627\u0644\u06cc \u0627\u0633\u062a<\/p>\n<hr\/><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Summarize this content to 400 words in Persian Lang useReducer \u062f\u0631 React \u0647\u0648\u06a9 \u06a9\u0646\u06cc\u062f \u0627\u06cc\u0646 useReducer \u0647\u0648\u06a9 \u06cc\u06a9 \u0642\u0644\u0627\u0628 \u062f\u0627\u062e\u0644\u06cc React \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0645\u0646\u0637\u0642 \u0648\u0636\u0639\u06cc\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u062f\u0631 \u0627\u062c\u0632\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u06cc \u0628\u0631\u0627\u06cc useState \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u0627\u0644\u062a\u06cc \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0641\u0631\u0639\u06cc \u0627\u0633\u062a \u06cc\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0646\u0637\u0642 \u062d\u0627\u0644\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647 &hellip;<\/p>\n","protected":false},"author":2,"featured_media":88840,"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-88839","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\/88839","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=88839"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/88839\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/88840"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=88839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=88839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=88839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}