{"id":30795,"date":"2023-07-17T17:19:43","date_gmt":"2023-07-17T13:49:43","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/a-small-little-trick-to-prevent-useeffect-ij9\/"},"modified":"2023-07-17T17:19:43","modified_gmt":"2023-07-17T13:49:43","slug":"a-small-little-trick-to-prevent-useeffect-ij9","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/a-small-little-trick-to-prevent-useeffect-ij9\/","title":{"rendered":"\u06cc\u06a9 \u062a\u0631\u0641\u0646\u062f \u0633\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Effect \u062f\u0631 React"},"content":{"rendered":"<div data-article-id=\"1539638\" id=\"article-body\">\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\/a-small-little-trick-to-prevent-useeffect-ij9\/#%D9%85%D8%B3%D8%A6%D9%84%D9%87\" >\u0645\u0633\u0626\u0644\u0647<\/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\/a-small-little-trick-to-prevent-useeffect-ij9\/#%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_useEffect_%D8%A8%D9%87_%D8%B9%D9%86%D9%88%D8%A7%D9%86_%D8%A8%D9%87_%D8%B1%D9%88%D8%B2_%D8%B1%D8%B3%D8%A7%D9%86%DB%8C_%D8%AD%D8%A7%D9%84%D8%AA\" >\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 useEffect \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a<\/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\/a-small-little-trick-to-prevent-useeffect-ij9\/#%D8%B1%D8%A7%D9%87_%D8%AD%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%DA%A9%D9%84%DB%8C%D8%AF%D9%87%D8%A7_%D8%A8%D8%B1%D8%A7%DB%8C_%E2%80%9C%D8%A8%D8%A7%D8%B1%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C_%D9%85%D8%AC%D8%AF%D8%AF%E2%80%9D_%DB%8C%DA%A9_React_Component\" >\u0631\u0627\u0647 \u062d\u0644: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0628\u0631\u0627\u06cc &#8220;\u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0645\u062c\u062f\u062f&#8221; \u06cc\u06a9 React Component<\/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\/a-small-little-trick-to-prevent-useeffect-ij9\/#%D8%AF%D8%B1_%D8%A7%D8%AF%D8%A7%D9%85%D9%87_%D8%A8%D8%AE%D9%88%D8%A7%D9%86%DB%8C%D8%AF\" >\u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f:<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%D9%85%D8%B3%D8%A6%D9%84%D9%87\"><\/span>\n<p>  \u0645\u0633\u0626\u0644\u0647<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u06cc\u06a9 \u0628\u0627\u0631 \u0628\u0647 \u0645\u0634\u06a9\u0644 \u0639\u062c\u06cc\u0628\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0645.  \u0628\u0647 \u062e\u0627\u0637\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0633\u0627\u062e\u062a\u06af\u06cc \u0628\u0631\u0648\u06cc\u0645:<\/p>\n<p>\u0645\u0646 \u06cc\u06a9 \u062c\u0632\u0621 \u062f\u0627\u0631\u0645 <code>MyDumbComponent.tsx<\/code> \u0648 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0627\u0632 \u0622\u0646 \u062d\u0627\u0644\u062a \u0628\u0631\u0627\u06cc \u0648\u0627\u06a9\u0634\u06cc \u0628\u0631\u062e\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.<br \/>\u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u062f\u0627\u062e\u0644 \u0647\u0645\u0627\u0646 \u0645\u0624\u0644\u0641\u0647 \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0634\u0648\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight tsx\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useEffect<\/span><span class=\"p\">,<\/span> <span class=\"nx\">useState<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span>\n<span class=\"k\">import<\/span> <span class=\"nx\">todos<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/data\/todos.json<\/span><span class=\"dl\">'<\/span>\n\n<span class=\"kd\">type<\/span> <span class=\"nx\">Unpacked<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">T<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">T<\/span> <span class=\"kd\">extends<\/span> <span class=\"p\">(<\/span><span class=\"nx\">infer<\/span> <span class=\"nx\">U<\/span><span class=\"p\">)[]<\/span> <span class=\"p\">?<\/span> <span class=\"nx\">U<\/span> <span class=\"p\">:<\/span> <span class=\"nx\">T<\/span>\n\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"kd\">function<\/span> <span class=\"nx\">MyDumbComponent<\/span><span class=\"p\">({<\/span> <span class=\"nx\">initialId<\/span> <span class=\"p\">}:<\/span> <span class=\"p\">{<\/span> <span class=\"nl\">initialId<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span> <span class=\"p\">})<\/span> <span class=\"p\">{<\/span>\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setId<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">useState<\/span><span class=\"p\">(<\/span><span class=\"nx\">initialId<\/span><span class=\"p\">)<\/span>\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">todoData<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setTodoData<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">useState<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Unpacked<\/span><span class=\"o\">&lt;<\/span><span class=\"k\">typeof<\/span> <span class=\"nx\">todos<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">|<\/span> <span class=\"kc\">null<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"kc\">null<\/span><span class=\"p\">)<\/span>\n\n  <span class=\"nx\">useEffect<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">allTodos<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">todos<\/span>\n    <span class=\"kd\">const<\/span> <span class=\"nx\">selectedTodo<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">allTodos<\/span><span class=\"p\">.<\/span><span class=\"nx\">find<\/span><span class=\"p\">(<\/span><span class=\"nx\">todo<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">todo<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">id<\/span><span class=\"p\">)<\/span> <span class=\"o\">??<\/span> <span class=\"kc\">null<\/span>\n    <span class=\"nx\">setTodoData<\/span><span class=\"p\">(<\/span><span class=\"nx\">selectedTodo<\/span><span class=\"p\">)<\/span>\n  <span class=\"p\">},<\/span> <span class=\"p\">[<\/span><span class=\"nx\">id<\/span><span class=\"p\">])<\/span>\n\n  <span class=\"k\">return<\/span> <span class=\"p\">(<\/span>\n    <span class=\"p\">&lt;&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\n        <span class=\"p\">&lt;<\/span><span class=\"nt\">code<\/span><span class=\"p\">&gt;<\/span>\n          <span class=\"p\">&lt;<\/span><span class=\"nt\">pre<\/span><span class=\"p\">&gt;<\/span><span class=\"si\">{<\/span><span class=\"nx\">JSON<\/span><span class=\"p\">.<\/span><span class=\"nx\">stringify<\/span><span class=\"p\">(<\/span><span class=\"nx\">todoData<\/span><span class=\"p\">,<\/span> <span class=\"kc\">null<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">)<\/span><span class=\"si\">}<\/span><span class=\"p\">&lt;\/<\/span><span class=\"nt\">pre<\/span><span class=\"p\">&gt;<\/span>\n        <span class=\"p\">&lt;\/<\/span><span class=\"nt\">code<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">small<\/span><span class=\"p\">&gt;<\/span>Child id: <span class=\"si\">{<\/span><span class=\"nx\">id<\/span><span class=\"si\">}<\/span><span class=\"p\">&lt;\/<\/span><span class=\"nt\">small<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">br<\/span> <span class=\"p\">\/&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">br<\/span> <span class=\"p\">\/&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">button<\/span> <span class=\"na\">onClick<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">setId<\/span><span class=\"p\">(<\/span><span class=\"nx\">prev<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">prev<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>+<span class=\"p\">&lt;\/<\/span><span class=\"nt\">button<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">button<\/span> <span class=\"na\">onClick<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">id<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">1<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"nx\">setId<\/span><span class=\"p\">(<\/span><span class=\"nx\">prev<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">prev<\/span> <span class=\"o\">-<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>-<span class=\"p\">&lt;\/<\/span><span class=\"nt\">button<\/span><span class=\"p\">&gt;<\/span>\n    <span class=\"p\">&lt;\/&gt;<\/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<p>\u0648\u0642\u062a\u06cc \u0631\u0648\u06cc \u0622\u0646 \u06a9\u0644\u06cc\u06a9 \u06a9\u0631\u062f\u0645 <code>+<\/code> \u0648 <code>-<\/code> \u0631\u0627 \u0641\u0634\u0627\u0631 \u062f\u0647\u06cc\u062f\u060c \u0634\u0646\u0627\u0633\u0647 \u0631\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u06cc\u06a9 \u062c\u0632\u0626\u06cc\u0627\u062a \u06a9\u0627\u0631 \u062c\u062f\u06cc\u062f \u0631\u0627 \u0645\u06cc\u200c\u0622\u0648\u0631\u062f \u0648 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f.<br \/>\u0646\u0645\u0648\u0646\u0647 \u0646\u0633\u062e\u0647 \u06cc \u0646\u0645\u0627\u06cc\u0634\u06cc \u06a9\u062f \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f<\/p>\n<p>\u0627\u06cc\u0646 \u06a9\u0627\u0645\u0644\u0627\u064b \u062e\u0648\u0628 \u0648 \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0627\u0646\u062a\u0638\u0627\u0631 \u0645\u06cc \u0631\u0641\u062a \u06a9\u0627\u0631 \u06a9\u0631\u062f.  \u0645\u0648\u0636\u0648\u0639 \u0632\u0645\u0627\u0646\u06cc \u067e\u06cc\u0634 \u0622\u0645\u062f \u06a9\u0647 \u0645\u0646 <em>\u0645\u06cc \u062e\u0648\u0627\u0633\u062a\u0645 \u0634\u0646\u0627\u0633\u0647 (props) \u0631\u0627 \u062f\u0631 \u0648\u0627\u0644\u062f \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0646\u0645<\/em>.<br \/>\u0639\u0642\u0644 \u0633\u0644\u06cc\u0645 \u0627\u062d\u0645\u0642\u0627\u0646\u0647 \u0645\u0646 \u0645\u06cc \u06af\u0648\u06cc\u062f \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062f\u0648\u0628\u0627\u0631\u0647 \u0631\u0646\u062f\u0631 \u0634\u0648\u062f.  \u0627\u0645\u0627 \u062f\u0631 \u06a9\u0645\u0627\u0644 \u062a\u0639\u062c\u0628 \u0645\u0646 \u0627\u06cc\u0646\u0637\u0648\u0631 \u0646\u0634\u062f.  \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u0646 \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0631\u062f\u0645:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight tsx\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useState<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span>\n<span class=\"k\">import<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/App.css<\/span><span class=\"dl\">'<\/span>\n<span class=\"k\">import<\/span> <span class=\"nx\">MyDumbComponent<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/components\/MyDumbComponent<\/span><span class=\"dl\">'<\/span>\n\n<span class=\"kd\">function<\/span> <span class=\"nx\">App<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">count<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setCount<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">useState<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span>\n\n  <span class=\"k\">return<\/span> <span class=\"p\">(<\/span>\n    <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span> Parent state variable: <span class=\"si\">{<\/span><span class=\"nx\">count<\/span><span class=\"si\">}<\/span> <span class=\"p\">&lt;\/<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">button<\/span> <span class=\"na\">onClick<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">setCount<\/span><span class=\"p\">(<\/span><span class=\"nx\">c<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">c<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>\n        Increment parent state\n      <span class=\"p\">&lt;\/<\/span><span class=\"nt\">button<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">br<\/span> <span class=\"p\">\/&gt;<\/span> <span class=\"p\">&lt;<\/span><span class=\"nt\">br<\/span> <span class=\"p\">\/&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">br<\/span> <span class=\"p\">\/&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nc\">MyDumbComponent<\/span> <span class=\"na\">initialId<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">count<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;<\/span>\n    <span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\n  <span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">App<\/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<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0627\u06af\u0631 prop \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0628\u0631\u0627\u06cc \u0648\u0636\u0639\u06cc\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f\u060c \u062d\u062a\u06cc \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 prop \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c React \u0645\u0624\u0644\u0641\u0647 \u0641\u0631\u0632\u0646\u062f \u0631\u0627 \u00ab\u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0645\u062c\u062f\u062f\u00bb \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>\u062f\u0631 \u0627\u0628\u062a\u062f\u0627\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u063a\u06cc\u0631 \u0642\u0627\u0628\u0644 \u062f\u0631\u06a9 \u0628\u0627\u0634\u062f.  \u062f\u0644\u06cc\u0644 \u0622\u0646 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 React \u06cc\u06a9 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0631\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u062d\u0627\u0644\u062a \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u06a9\u0646\u062f \u06cc\u0627 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0622\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u06a9\u0646\u062f.<br \/>\u0627\u06af\u0631 React \u0641\u0642\u0637 \u062f\u0648\u0631 \u0627\u0646\u062f\u0627\u062e\u062a\u0647 \u0648 \u06a9\u0648\u062f\u06a9 \u0631\u0627 \u062f\u0648\u0631 \u0645\u06cc\u200c\u0627\u0646\u062f\u0627\u0632\u062f \u0648 \u0647\u0631 \u0628\u0627\u0631 \u06a9\u0647 \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u062c\u0632\u0627\u06cc \u0622\u0646 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u06cc\u06a9 \u0645\u0648\u0631\u062f \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0628\u0627\u06cc\u062f \u06af\u0631\u0647\u200c\u0647\u0627\u06cc DOM \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f\u060c \u06af\u0631\u0647\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u062f \u0648 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u062f.<br \/>\u0627\u06cc\u0646\u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u06af\u0631\u0627\u0646 \u0628\u0627\u0634\u0646\u062f\u060c \u0628\u0647 \u062e\u0635\u0648\u0635 \u0627\u06af\u0631 \u067e\u0627\u06cc\u0647 \u0647\u0627 \u0628\u0647 \u0637\u0648\u0631 \u0645\u06a9\u0631\u0631 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0646\u0646\u062f \u06cc\u0627 \u062a\u0639\u062f\u0627\u062f \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u0686\u0646\u06cc\u0646 \u067e\u0627\u06cc\u0647 \u0647\u0627\u06cc \u062a\u063a\u06cc\u06cc\u0631 \u062f\u0647\u0646\u062f\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u0646\u062f.  \u0647\u0645\u0647 \u0627\u06cc\u0646\u0647\u0627 \u06af\u0631\u0627\u0646 \u0648 \u06a9\u0646\u062f \u0627\u0633\u062a.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c React \u0627\u0632 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a\u06cc \u06a9\u0647 \u0622\u0646\u062c\u0627 \u0628\u0648\u062f \u062f\u0648\u0628\u0627\u0631\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0632\u06cc\u0631\u0627 \u0627\u0632 \u0647\u0645\u0627\u0646 \u0646\u0648\u0639 \u0648 \u062f\u0631 \u0647\u0645\u0627\u0646 \u0645\u0648\u0642\u0639\u06cc\u062a \u062f\u0631\u062e\u062a \u0627\u0633\u062a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_useEffect_%D8%A8%D9%87_%D8%B9%D9%86%D9%88%D8%A7%D9%86_%D8%A8%D9%87_%D8%B1%D9%88%D8%B2_%D8%B1%D8%B3%D8%A7%D9%86%DB%8C_%D8%AD%D8%A7%D9%84%D8%AA\"><\/span>\n<p>  \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 useEffect \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u062d\u0627\u0644\u062a<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0645\u0646 \u0645\u0642\u0635\u0631\u0645 \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u0646\u0627\u0631\u06cc\u0648 \u0627\u0632 \u0627\u0641\u06a9\u062a \u062f\u0648\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f\u0645\ud83d\ude05<br \/>\u0645\u06cc \u062e\u0648\u0627\u0647\u062f: <em>\u0647\u0648\u0645.. \u067e\u0633 \u0628\u0627\u06cc\u062f \u0628\u0631 \u0627\u0633\u0627\u0633 \u0632\u0645\u0627\u0646 \u062a\u0639\u0648\u06cc\u0636 \u067e\u0631\u0648\u067e \u06cc\u0647 \u06a9\u0627\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0628\u062f\u06cc\u0645.. \u0648\u0642\u062a\u06cc \u067e\u0631\u0648\u067e \u0639\u0648\u0636 \u0645\u06cc\u0634\u0647 \u0686\u06cc \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0647&#8230; \u0628\u0627 \u0627\u0648\u0646 \u067e\u0631\u0648\u067e \u062f\u0631 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f!!<\/em><br \/>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0645\u0646 \u0627\u06cc\u0646 \u0627\u0641\u06a9\u062a \u0631\u0627 \u0628\u0639\u062f \u0627\u0632 \u0627\u0648\u0644\u06cc\u0646 \u0645\u0648\u0631\u062f \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0645 (imo \u0627\u0648\u0644\u06cc\u0646 useEffect \u0628\u0627\u06cc\u062f \u0628\u0627 react-query \u06cc\u0627 \u0628\u0631\u062e\u06cc \u0645\u0648\u0627\u0631\u062f \u062f\u06cc\u06af\u0631 \u0648\u0627\u06a9\u0634\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0646\u06cc\u0632 \u0645\u0631\u062a\u0628\u0637 \u0634\u0648\u062f).<br \/>\u0627\u0645\u0627 \u0628\u0647 \u0647\u0631 \u062d\u0627\u0644\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0627\u0633\u062a:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight tsx\"><code><span class=\"nx\">useEffect<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\n  <span class=\"c1\">\/\/ Changing children's state whenever our prop `initialId` changes<\/span>\n  <span class=\"nx\">setId<\/span><span class=\"p\">(<\/span><span class=\"nx\">initialId<\/span><span class=\"p\">)<\/span>\n<span class=\"p\">},<\/span> <span class=\"p\">[<\/span><span class=\"nx\">initialId<\/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<p>\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u06cc\u0646 \u0631\u0648\u06cc\u06a9\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 useEffect \u0631\u0627 \u0645\u0634\u0627\u0647\u062f\u0647 \u06a9\u0631\u062f (<em>\u0632\u0628\u0627\u0646 \u06af\u0631\u062f\u0627\u0646\u060c \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u061f<\/em>) \u0628\u0631\u0627\u06cc \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc Vale of State \u06a9\u0647 \u0628\u0627 \u0628\u0631\u062e\u06cc \u0627\u0632 \u06a9\u0627\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u067e \u0645\u0642\u062f\u0627\u0631\u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a<\/p>\n<p>\u0627\u0645\u0627 \u0627\u06cc\u0646 \u0631\u0627\u0647 \u062d\u0644 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647\u062a\u0631 \u0628\u0627\u0634\u062f.  useEffect \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0644\u062a \u0631\u0627 \u062f\u0631 \u0631\u0646\u062f\u0631 \u062f\u0648\u0645 \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0631\u062f.<br \/>\u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 useEffect \u062a\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0641\u0631\u062f \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u0642\u0627\u0646\u0648\u0646 \u06a9\u0644\u06cc \u062e\u0648\u0628 \u0627\u0633\u062a.  \u0645\u0646 \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u0647 \u0627\u0645 \u06a9\u0647 \u0627\u06cc\u0646 \u0627\u0645\u0631 \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0647 \u0686\u0646\u062f\u0627\u0646 \u062f\u0642\u06cc\u0642 \u0627\u0632 useEffect \u0627\u0632 \u0628\u0631\u062e\u06cc \u0627\u0634\u06a9\u0627\u0644\u0627\u062a \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0645\u06cc \u06a9\u0646\u062f.<br \/>\u0627\u06cc\u0646 \u062a\u0648\u0635\u06cc\u0647 \u0628\u0647 \u0645\u0646 \u06a9\u0645\u06a9 \u06a9\u0631\u062f \u062a\u0627 \u0627\u06cc\u0646 \u0631\u0627 \u0628\u0647 \u062e\u0627\u0637\u0631 \u0628\u0633\u067e\u0627\u0631\u0645: useEffect \u0641\u0642\u0637 \u0628\u0627\u06cc\u062f \u0632\u0645\u0627\u0646\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f \u06a9\u0647 \u06cc\u06a9 \u0633\u0631\u0648\u06cc\u0633 \u062e\u0627\u0631\u062c\u06cc \/ \u0686\u06cc\u0632\u06cc \u062e\u0627\u0631\u062c \u0627\u0632 \u067e\u0627\u0631\u0627\u062f\u0627\u06cc\u0645 React (\u0645\u0627\u0646\u0646\u062f \u0634\u0646\u0648\u0646\u062f\u06af\u0627\u0646 \u0633\u0641\u0627\u0631\u0634\u06cc) \u0628\u0627\u06cc\u062f \u0628\u0627 React \u06cc\u06a9\u067e\u0627\u0631\u0686\u0647 \u0634\u0648\u062f.<br \/>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 <code>useEffect<\/code> \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 <code>useSyncronise<\/code><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%B1%D8%A7%D9%87_%D8%AD%D9%84_%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87_%D8%A7%D8%B2_%DA%A9%D9%84%DB%8C%D8%AF%D9%87%D8%A7_%D8%A8%D8%B1%D8%A7%DB%8C_%E2%80%9C%D8%A8%D8%A7%D8%B1%DA%AF%D8%B0%D8%A7%D8%B1%DB%8C_%D9%85%D8%AC%D8%AF%D8%AF%E2%80%9D_%DB%8C%DA%A9_React_Component\"><\/span>\n<p>  \u0631\u0627\u0647 \u062d\u0644: \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u0628\u0631\u0627\u06cc &#8220;\u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0645\u062c\u062f\u062f&#8221; \u06cc\u06a9 React Component<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u067e\u0633 \u0631\u0627\u0647 \u0686\u06cc\u0633\u062a\u061f  \u06a9\u0644\u06cc\u062f\u0647\u0627\u06cc \u0646\u062c\u0627\u062a!!\ud83d\udd11 \u0627\u06af\u0631 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a\u06cc \u06a9\u0644\u06cc\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u0648 \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0646\u062f\u060c React \u0627\u0632 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0631\u062f \u0645\u06cc \u0634\u0648\u062f \u0648 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u062c\u062f\u06cc\u062f \u062c\u062f\u06cc\u062f\u06cc \u0645\u06cc \u0633\u0627\u0632\u062f.<br \/>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0627\u06af\u0631 \u0628\u062e\u0648\u0627\u0647\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f Keys \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 &#8220;\u0647\u0648\u06cc\u062a&#8221; \u06cc\u0627 \u0645\u0646\u0628\u0639 \u062d\u0642\u06cc\u0642\u062a \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u062c\u0632\u0621 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f.  \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0627\u06af\u0631 \u06a9\u0644\u06cc\u062f \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0646\u062f\u060c \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0628\u0627\u06cc\u062f \u0627\u0632 \u0627\u0628\u062a\u062f\u0627 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0645\u062c\u062f\u062f \u0634\u0648\u062f.<br \/>\u0627\u06cc\u0646 \u0647\u0645\u0627\u0646 \u062f\u0644\u06cc\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0647\u0646\u06af\u0627\u0645 \u0631\u0646\u062f\u0631 \u06a9\u0631\u062f\u0646 \u06cc\u06a9 \u0644\u06cc\u0633\u062a \u0628\u0647 \u06a9\u0644\u06cc\u062f \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f\u060c \u0628\u0647 \u0637\u0648\u0631\u06cc \u06a9\u0647 React \u0628\u062a\u0648\u0627\u0646\u062f \u0622\u06cc\u062a\u0645 \u0647\u0627\u06cc \u0644\u06cc\u0633\u062a \u0631\u0627 \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 (\u0627\u06af\u0631) \u0645\u0648\u0642\u0639\u06cc\u062a \/ \u062a\u0631\u062a\u06cc\u0628 \u0622\u0646\u0647\u0627 \u062f\u0631 \u0622\u0646 \u0644\u06cc\u0633\u062a \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0646\u062f\u060c \u0645\u062a\u0645\u0627\u06cc\u0632 \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u062f\u0631 \u0645\u0648\u0631\u062f \u0645\u0627\u060c \u0645\u0627 \u0641\u0642\u0637 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u06a9\u0644\u06cc\u062f \u0631\u0627 \u0628\u0647 \u0645\u0624\u0644\u0641\u0647 \u0641\u0631\u0632\u0646\u062f \u0645\u0646\u062a\u0642\u0644 \u06a9\u0646\u06cc\u0645 \u0648 \u0627\u0632 \u0627\u0628\u062a\u062f\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<div class=\"highlight js-code-highlight\">\n<pre class=\"highlight tsx\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useState<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span>\n<span class=\"k\">import<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/App.css<\/span><span class=\"dl\">'<\/span>\n<span class=\"k\">import<\/span> <span class=\"nx\">MyDumbComponent<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/components\/MyDumbComponent<\/span><span class=\"dl\">'<\/span>\n\n<span class=\"kd\">function<\/span> <span class=\"nx\">App<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">count<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setCount<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">useState<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span>\n\n  <span class=\"k\">return<\/span> <span class=\"p\">(<\/span>\n    <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span> Parent state variable: <span class=\"si\">{<\/span><span class=\"nx\">count<\/span><span class=\"si\">}<\/span> <span class=\"p\">&lt;\/<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">button<\/span> <span class=\"na\">onClick<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">setCount<\/span><span class=\"p\">(<\/span><span class=\"nx\">c<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">c<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>\n        Increment parent state\n      <span class=\"p\">&lt;\/<\/span><span class=\"nt\">button<\/span><span class=\"p\">&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">br<\/span> <span class=\"p\">\/&gt;<\/span> <span class=\"p\">&lt;<\/span><span class=\"nt\">br<\/span> <span class=\"p\">\/&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">br<\/span> <span class=\"p\">\/&gt;<\/span>\n      <span class=\"p\">&lt;<\/span><span class=\"nc\">MyDumbComponent<\/span> <span class=\"na\">key<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">count<\/span><span class=\"si\">}<\/span> <span class=\"na\">initialId<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">count<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;<\/span>\n    <span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\n  <span class=\"p\">)<\/span>\n<span class=\"p\">}<\/span>\n\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">App<\/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<p>\u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u0645 \u06a9\u0647 \u0627\u0633\u0646\u0627\u062f React \u062c\u062f\u06cc\u062f \u0645\u0642\u0627\u0644\u0647 \u0627\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0628\u0627\u0632\u0646\u0634\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a \u0628\u0627 \u06a9\u0644\u06cc\u062f\u0647\u0627 \u062f\u0627\u0631\u062f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%D8%AF%D8%B1_%D8%A7%D8%AF%D8%A7%D9%85%D9%87_%D8%A8%D8%AE%D9%88%D8%A7%D9%86%DB%8C%D8%AF\"><\/span>\n<p>  \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0628\u062e\u0648\u0627\u0646\u06cc\u062f:<br \/>\n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u0633\u0626\u0644\u0647 \u06cc\u06a9 \u0628\u0627\u0631 \u0628\u0647 \u0645\u0634\u06a9\u0644 \u0639\u062c\u06cc\u0628\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0645. \u0628\u0647 \u062e\u0627\u0637\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0627 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0633\u0627\u062e\u062a\u06af\u06cc \u0628\u0631\u0648\u06cc\u0645: \u0645\u0646 \u06cc\u06a9 \u062c\u0632\u0621 \u062f\u0627\u0631\u0645 MyDumbComponent.tsx \u0648 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647 \u062f\u0631\u06cc\u0627\u0641\u062a \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0627\u0632 \u0622\u0646 \u062d\u0627\u0644\u062a \u0628\u0631\u0627\u06cc \u0648\u0627\u06a9\u0634\u06cc \u0628\u0631\u062e\u06cc \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f.\u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u062f\u0627\u062e\u0644 \u0647\u0645\u0627\u0646 \u0645\u0624\u0644\u0641\u0647 \u062f\u0633\u062a\u06a9\u0627\u0631\u06cc \u0634\u0648\u062f: &hellip;<\/p>\n","protected":false},"author":2,"featured_media":30796,"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-30795","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\/30795","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=30795"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/30795\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/30796"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=30795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=30795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=30795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}