{"id":16234,"date":"2024-10-24T14:06:54","date_gmt":"2024-10-24T10:36:54","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=16234"},"modified":"2024-10-24T14:06:54","modified_gmt":"2024-10-24T10:36:54","slug":"optimizing-server-requests-with-react-hooks","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/es\/tutorials\/optimizing-server-requests-with-react-hooks\/","title":{"rendered":"Optimizaci\u00f3n de solicitudes de servidor con React Hooks"},"content":{"rendered":"<h2 id=\"%d9%85%d9%82%d8%af%d9%85%d9%87\">\u0645\u0642\u062f\u0645\u0647<\/h2>\n<p>\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u0647 React\u060c \u0622\u06cc\u0627 \u0627\u0632 \u0645\u0628\u0627\u0631\u0632\u0647 \u0628\u0627 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0628\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0636\u0639\u06cc\u0641 \u062e\u0633\u062a\u0647 \u0634\u062f\u0647 \u0627\u06cc\u062f\u061f \u062f\u06cc\u06af\u0631 \u0646\u06af\u0627\u0647 \u0646\u06a9\u0646\u06cc\u062f\u061b React Hooks \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 React \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0648 \u0633\u0627\u06cc\u0631 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc React \u062f\u0631 \u0627\u062c\u0632\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u0646\u062f \u0648 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0634\u0645\u0627 \u0648 \u0627\u0631\u062a\u0642\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0631\u0646\u0627\u0645\u0647 \u0648\u0628 \u0634\u0645\u0627 \u0628\u0647 \u0633\u0637\u062d \u0628\u0639\u062f\u06cc \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/p>\n<p>\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0627 \u062e\u0648\u062f \u0641\u06a9\u0631 \u06a9\u0646\u06cc\u062f\u060c &#8220;\u0645\u0634\u06a9\u0644 \u0628\u0632\u0631\u06af \u062f\u0631 \u0645\u0648\u0631\u062f \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0686\u06cc\u0633\u062a\u061f \u0686\u0631\u0627 \u0627\u0647\u0645\u06cc\u062a \u062f\u0627\u0631\u0646\u062f\u061f\u00bb \u062e\u0648\u0628\u060c \u0628\u06af\u0630\u0627\u0631\u06cc\u062f \u0628\u0647 \u0634\u0645\u0627 \u0628\u06af\u0648\u06cc\u0645 &#8211; \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0646\u0642\u0634 \u0645\u0647\u0645\u06cc \u062f\u0631 \u062a\u0639\u06cc\u06cc\u0646 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u062f\u0627\u0631\u0646\u062f. \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0628\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0636\u0639\u06cc\u0641 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u06a9\u0627\u0647\u0634 \u0632\u0645\u0627\u0646 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u0636\u0639\u06cc\u0641 \u0648 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u062e\u0633\u062a\u0647\u200c\u06a9\u0646\u0646\u062f\u0647 \u0634\u0648\u062f. 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Created digital-ocean-tutorial at your_file_path\/digital-ocean-tutorial\r\nInside that directory, you can run several commands:\r\nnpm start\r\nStarts the development server.\r\nnpm run build\r\nBundles the app into static files for production.\r\nnpm test\r\nStarts the test runner.\r\nnpm run eject\r\nRemoves this tool and copies build dependencies, configuration files and scripts into the app directory. If you do this, you can\u2019t go back!\r\nWe suggest that you begin by typing:\r\ncd digital-ocean-tutorial\r\nnpm start<\/code><\/pre>\n<\/div>\n<p>\u0627\u06cc\u0646 \u06cc\u06a9 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u062c\u062f\u06cc\u062f \u0628\u0627 \u0647\u0645\u0627\u0646 \u0646\u0627\u0645 \u067e\u0631\u0648\u0698\u0647 \u0634\u0645\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u062d\u0627\u0648\u06cc \u062a\u0645\u0627\u0645 \u0641\u0627\u06cc\u0644 \u0647\u0627\u06cc \u0644\u0627\u0632\u0645 \u0628\u0631\u0627\u06cc \u067e\u0631\u0648\u0698\u0647 \u062c\u062f\u06cc\u062f React \u0634\u0645\u0627 \u0627\u0633\u062a.<\/p>\n<p>\u067e\u0633 \u0627\u0632 \u062a\u06a9\u0645\u06cc\u0644 \u0641\u0631\u0622\u06cc\u0646\u062f \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc\u060c \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0628\u0647 \u062f\u0627\u06cc\u0631\u06a9\u062a\u0648\u0631\u06cc \u067e\u0631\u0648\u0698\u0647 React \u062c\u062f\u06cc\u062f \u0628\u0631\u0648\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>cd digital-ocean-tutorial\r\n<\/code><\/pre>\n<\/div>\n<p>\u0648 \u0633\u067e\u0633 \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0633\u0631\u0648\u0631 \u062a\u0648\u0633\u0639\u0647 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>npm start\r\n<\/code><\/pre>\n<\/div>\n<p>\u0627\u06af\u0631 \u0647\u0645\u0647 \u0686\u06cc\u0632 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f\u060c \u0633\u0631\u0648\u0631 \u0628\u0627\u06cc\u062f \u0634\u0631\u0648\u0639 \u0628\u0647 \u06a9\u0627\u0631 \u06a9\u0646\u062f \u0648 \u062e\u0631\u0648\u062c\u06cc \u0632\u06cc\u0631 \u0646\u0645\u0627\u06cc\u0634 \u062f\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>Compiled successfully!\r\nYou can now view digital-ocean-tutorial in the browser\r\nhttp:\/\/localhost:3000\r\nNote that the development build is not optimized.\r\nTo create a production build, use npm run build.<\/code><\/pre>\n<\/div>\n<p>\u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u067e\u0631\u0648\u0698\u0647 React \u062c\u062f\u06cc\u062f \u0634\u0645\u0627 \u062f\u0631 \u0645\u0631\u0648\u0631\u06af\u0631 \u0648\u0628 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0634\u0645\u0627 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u0645\u06cc \u0634\u0648\u062f. \u0627\u06a9\u0646\u0648\u0646 \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u067e\u06cc\u0627\u0645 &#8220;Welcome to React&#8221; \u0631\u0627 \u0628\u0628\u06cc\u0646\u06cc\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u067e\u0631\u0648\u0698\u0647 \u0634\u0645\u0627 \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u062a\u0646\u0638\u06cc\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u0622\u0645\u0627\u062f\u0647 \u0627\u0633\u062a \u062a\u0627 \u0634\u0645\u0627 \u0634\u0631\u0648\u0639 \u0628\u0647 \u0633\u0627\u062e\u062a \u0628\u0631\u0646\u0627\u0645\u0647 \u0639\u0627\u0644\u06cc \u0628\u0639\u062f\u06cc \u062e\u0648\u062f \u06a9\u0646\u06cc\u062f!<\/p>\n<p><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"1600\"  height=\"821\"  class=\"aligncenter wp-image-16237 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1600px) 100vw, 1600px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1.png\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1.png 1600w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-300x154.png 300w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-1024x525.png 1024w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-768x394.png 768w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-1536x788.png 1536w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-110x56.png 110w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-200x103.png 200w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-380x195.png 380w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-255x131.png 255w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-550x282.png 550w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-800x411.png 800w, https:\/\/cdn.itpiran.net\/2024\/10\/24135623\/1-1-1160x595.png 1160w\" ><\/p>\n<p>\u0628\u0627 CRA\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u062f\u0648\u0646 \u0646\u06af\u0631\u0627\u0646\u06cc \u062f\u0631 \u0645\u0648\u0631\u062f \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u0648 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0645\u062d\u06cc\u0637 \u062a\u0648\u0633\u0639\u0647\u060c \u0631\u0648\u06cc \u0646\u0648\u0634\u062a\u0646 \u06a9\u062f \u062a\u0645\u0631\u06a9\u0632 \u06a9\u0646\u06cc\u062f.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u06a9\u0647 \u067e\u0631\u0648\u0698\u0647 React \u062e\u0648\u062f \u0631\u0627 \u0631\u0627\u0647\u200c\u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0631\u062f\u0647\u200c\u0627\u06cc\u062f\u060c \u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0644\u0627\u0628\u200c\u0647\u0627\u06cc React \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u06cc\u0645\u060c \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645.<\/p>\n<h2 id=\"%da%a9%d8%a7%d9%85%d9%be%d9%88%d9%86%d9%86%d8%aa-%d9%87%d8%a7-%d8%b1%d8%a7-%d8%a8%d8%a7-%d9%82%d9%84%d8%a7%d8%a8-useeffect-%d9%87%d9%85%da%af%d8%a7%d9%85-%d8%b3%d8%a7%d8%b2%db%8c-%da%a9%d9%86%db%8c\">\u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0647\u0627 \u0631\u0627 \u0628\u0627 \u0642\u0644\u0627\u0628 UseEffect \u0647\u0645\u06af\u0627\u0645 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f<\/h2>\n<p>\u0642\u0644\u0627\u0628 useEffect \u062f\u0631 React \u0628\u0647 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0628\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0639\u0648\u0627\u0631\u0636 \u062c\u0627\u0646\u0628\u06cc \u0645\u0627\u0646\u0646\u062f \u0648\u0627\u06a9\u0634\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627\u060c \u06cc\u06a9 \u0645\u0624\u0644\u0641\u0647 \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u062e\u0627\u0631\u062c\u06cc\u060c \u0645\u0627\u0646\u0646\u062f \u0633\u0631\u0648\u0631\u060c \u0647\u0645\u06af\u0627\u0645 \u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f\u060c \u0628\u0647 \u06af\u0648\u0646\u0647 \u0627\u06cc \u06a9\u0647 \u0647\u0645 \u06a9\u0627\u0631\u0622\u0645\u062f \u0648 \u0647\u0645 \u0642\u0627\u0628\u0644 \u062f\u0631\u06a9 \u0628\u0627\u0634\u062f. \u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0642\u0644\u0627\u0628 useEffect \u0627\u06cc\u062c\u0627\u062f \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0648 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0627\u0633\u062a.<\/p>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0631\u0627\u0647 \u0647\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0644\u0627\u0628 useEffect \u0628\u0631\u0627\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631\u060c \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u062a\u0627\u0628\u0639\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0631\u0627 \u062f\u0631 \u062f\u0627\u062e\u0644 \u0642\u0644\u0627\u0628 useEffect \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0627\u06cc\u0646 \u062a\u0627\u0628\u0639 \u0628\u0627\u06cc\u062f \u0627\u0632 Fetch API \u06cc\u0627 \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 \u0627\u06cc \u0645\u0627\u0646\u0646\u062f Axios \u0628\u0631\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u062f \u0648 \u0633\u067e\u0633 \u0648\u0636\u0639\u06cc\u062a \u0645\u0624\u0644\u0641\u0647 \u0631\u0627 \u0628\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u067e\u0627\u0633\u062e \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 hook setState \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0646\u062f.<\/p>\n<p>\u0628\u06cc\u0627\u06cc\u06cc\u062f \u0628\u0647 \u0645\u062b\u0627\u0644\u06cc \u0627\u0632 \u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0644\u0627\u0628 useEffect \u0628\u0631\u0627\u06cc \u0648\u0627\u06a9\u0634\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0632 \u06cc\u06a9 API \u062c\u0627\u0646\u0634\u06cc\u0646 JSON \u0648 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a \u0645\u0624\u0644\u0641\u0647 \u0646\u06af\u0627\u0647 \u06a9\u0646\u06cc\u0645. \u0628\u0647 \u0641\u0627\u06cc\u0644 app.js \u0628\u0631\u0648\u06cc\u062f\u060c \u062f\u0627\u062e\u0644 \u067e\u0648\u0634\u0647 src \u067e\u0631\u0648\u0698\u0647 \u062e\u0648\u062f\u060c \u06a9\u062f \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0631\u0627 \u062d\u0630\u0641 \u06a9\u0646\u06cc\u062f \u0648 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0632\u06cc\u0631 \u0631\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0622\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>import React, { useEffect, useState } from 'react';\r\nfunction MyComponent() {\r\nconst [data, setData] = useState([]);\r\nuseEffect(() =&gt; {\r\nasync function fetchData() {\r\nconst response = await fetch('https:\/\/jsonplaceholder.typicode.com\/posts');\r\nconst data = await response.json();\r\nsetData(data);\r\n}\r\nfetchData();\r\n}, []);\r\nreturn (\r\n&lt;div&gt;\r\n{data.map((item) =&gt; (\r\n&lt;div key={item.id}&gt;\r\n&lt;h2&gt;- {item.title}&lt;\/h2&gt;\r\n&lt;p&gt;{item.body}&lt;\/p&gt;\r\n&lt;\/div&gt;\r\n))}\r\n&lt;\/div&gt;\r\n);\r\n}\r\nexport default MyComponent<\/code><\/pre>\n<\/div>\n<p>\u062f\u0631 \u0645\u062b\u0627\u0644 \u0628\u0627\u0644\u0627\u060c \u0642\u0644\u0627\u0628 useEffect \u0628\u0627 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u062e\u0627\u0644\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0641\u0642\u0637 \u062f\u0631 \u0631\u0646\u062f\u0631 \u0627\u0648\u0644\u06cc\u0647 \u0645\u0648\u0644\u0641\u0647 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f. \u0648\u0636\u0639\u06cc\u062a \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0628\u0627 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0627\u0644\u06cc \u0645\u0642\u062f\u0627\u0631 \u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f \u0648 \u062a\u0627\u0628\u0639 fetchData \u062f\u0631 \u062f\u0627\u062e\u0644 \u0642\u0644\u0627\u0628 useEffect \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0633\u0631\u0648\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f \u0648 \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0628\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u067e\u0627\u0633\u062e \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0646\u062f.<\/p>\n<p>\u0627\u06af\u0631 \u0645\u0631\u0648\u0631\u06af\u0631 \u06cc\u0627 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0631\u0641\u0631\u0634 \u06a9\u0646\u06cc\u062f\u060c \u0628\u0627\u06cc\u062f \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u062f\u0631 \u0646\u0645\u0648\u0646\u0647 \u06a9\u062f \u0628\u0627\u0644\u0627 \u0631\u0627 \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u062a\u0635\u0648\u06cc\u0631 \u0632\u06cc\u0631 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a \u0628\u0628\u06cc\u0646\u06cc\u062f:<\/p>\n<p><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"1600\"  height=\"662\"  class=\"aligncenter wp-image-16239 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1600px) 100vw, 1600px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2.png\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2.png 1600w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-300x124.png 300w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-1024x424.png 1024w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-768x318.png 768w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-1536x636.png 1536w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-110x46.png 110w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-200x83.png 200w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-380x157.png 380w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-255x106.png 255w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-550x228.png 550w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-800x331.png 800w, https:\/\/cdn.itpiran.net\/2024\/10\/24135905\/2-2-1160x480.png 1160w\" ><\/p>\n<p>\u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u06cc\u0646 \u0646\u06a9\u062a\u0647 \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0631\u0646\u062f\u0631\u0647\u0627\u06cc \u0645\u062c\u062f\u062f \u063a\u06cc\u0631\u0636\u0631\u0648\u0631\u06cc \u0645\u06cc 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\u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0628\u0647\u062a\u0631\u06cc \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f.<\/p>\n<h2 id=\"%d8%a8%d9%87%db%8c%d9%86%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-%d8%b9%d9%85%d9%84%da%a9%d8%b1%d8%af-%d8%af%d8%b1%d8%ae%d9%88%d8%a7%d8%b3%d8%aa-%d8%b3%d8%b1%d9%88%d8%b1-%d8%a8%d8%a7-%d8%a7%d8%b3%d8%aa%d9%81\">\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0633\u0631\u0648\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0647\u0648\u06a9 useMemo<\/h2>\n<p>\u0642\u0644\u0627\u0628 useMemo \u062f\u0631 React \u06cc\u06a9 \u0627\u0628\u0632\u0627\u0631 \u0628\u0647\u06cc\u0646\u0647\u200c\u0633\u0627\u0632\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u062c\u0627\u0632\u0647 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\u0628\u0627\u0634\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0634\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0631\u062f\u0646 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0644\u0627\u0628 useMemo \u0628\u0631\u0627\u06cc \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0632 API \u062c\u0627\u0646\u0634\u06cc\u0646 JSON \u0648 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a \u0645\u0624\u0644\u0641\u0647\u060c \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u062f\u0631 app.js \u0631\u0627 \u0628\u0647 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0632\u06cc\u0631 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>import { useEffect, useState, useMemo } from 'react';\r\nfunction MyComponent({ postId }) {\r\nconst [data, setData] = useState({});\r\nuseEffect(() =&gt; {\r\nasync function fetchData() {\r\nconst response = await fetch(`https:\/\/jsonplaceholder.typicode.com\/posts\/${postId}`);\r\nconst data = await response.json();\r\nsetData(data);\r\n}\r\nfetchData();\r\n}, [postId]);\r\nconst title = useMemo(() =&gt; data.title, [data]);\r\nreturn (\r\n&lt;div&gt;\r\n&lt;h2&gt;{title}&lt;\/h2&gt;\r\n&lt;\/div&gt;\r\n);\r\n}\r\nexport default MyComponent<\/code><\/pre>\n<\/div>\n<p>\u062f\u0631 \u0645\u062b\u0627\u0644 \u0628\u0627\u0644\u0627\u060c \u0642\u0644\u0627\u0628 useEffect \u0628\u0627 postId \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u0627\u06cc\u0647 \u0648\u0627\u0628\u0633\u062a\u06af\u06cc \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 prop postId \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0646\u062f \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f. \u0648\u0636\u0639\u06cc\u062a \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0628\u0627 \u06cc\u06a9 \u0634\u06cc \u062e\u0627\u0644\u06cc \u0645\u0642\u062f\u0627\u0631 \u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f \u0633\u067e\u0633 \u062a\u0627\u0628\u0639 fetchData \u062f\u0631 \u062f\u0627\u062e\u0644 \u0642\u0644\u0627\u0628 useEffect \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f \u062a\u0627 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0633\u0631\u0648\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f \u0648 \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0628\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u067e\u0627\u0633\u062e \u0628\u0647 \u0631\u0648\u0632 \u06a9\u0646\u062f. \u062f\u0631 \u062f\u0627\u062e\u0644 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a\u060c \u0627\u0632 \u0642\u0644\u0627\u0628 useMemo \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u0639\u0646\u0648\u0627\u0646 \u0628\u0627 \u0627\u0631\u0633\u0627\u0644 data.title \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0627\u0648\u0644 \u0648 [data] \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u062f\u0648\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u06cc\u0645 \u062a\u0627 \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u062a\u063a\u06cc\u06cc\u0631 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0639\u0646\u0648\u0627\u0646 \u0628\u0647 \u0631\u0648\u0632 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n<p>\u062f\u0631 \u0632\u06cc\u0631 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u062f\u0631 \u0646\u0645\u0648\u0646\u0647 \u06a9\u062f \u0628\u0627\u0644\u0627 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"1600\"  height=\"364\"  class=\"aligncenter wp-image-16240 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 1600px) 100vw, 1600px\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2.png\"  data-pk-srcset=\"https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2.png 1600w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-300x68.png 300w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-1024x233.png 1024w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-768x175.png 768w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-1536x349.png 1536w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-110x25.png 110w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-200x46.png 200w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-380x86.png 380w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-255x58.png 255w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-550x125.png 550w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-800x182.png 800w, https:\/\/cdn.itpiran.net\/2024\/10\/24140123\/3-2-1160x264.png 1160w\" ><\/p>\n<p>\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 useMemo \u0647\u0645\u06cc\u0634\u0647 \u0636\u0631\u0648\u0631\u06cc \u0646\u06cc\u0633\u062a \u0648 \u0641\u0642\u0637 \u0632\u0645\u0627\u0646\u06cc \u0628\u0627\u06cc\u062f \u0627\u0632 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f \u06a9\u0647 \u06a9\u0627\u0645\u067e\u0648\u0646\u0646\u062a \u0628\u0647 \u0628\u0631\u062e\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627 \u06cc\u0627 \u062d\u0627\u0644\u062a\u200c\u0647\u0627\u06cc\u06cc \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0645\u0631\u062a\u0628\u0627\u064b \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0646\u0646\u062f \u0648 \u0645\u062d\u0627\u0633\u0628\u0647 \u06af\u0631\u0627\u0646 \u0628\u0627\u0634\u062f. \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0627\u0645\u0646\u0627\u0633\u0628 \u0627\u0632 useMemo \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0634\u062a \u062d\u0627\u0641\u0638\u0647 \u0648 \u0633\u0627\u06cc\u0631 \u0645\u0634\u06a9\u0644\u0627\u062a \u0639\u0645\u0644\u06a9\u0631\u062f \u0634\u0648\u062f.<\/p>\n<h2 id=\"%d9%85%d8%af%db%8c%d8%b1%db%8c%d8%aa-%d9%88%d8%b6%d8%b9%db%8c%d8%aa-%d8%af%d8%b1%d8%ae%d9%88%d8%a7%d8%b3%d8%aa-%d8%b3%d8%b1%d9%88%d8%b1-%d8%a8%d8%a7-usereducer-hook\">\u0645\u062f\u06cc\u0631\u06cc\u062a \u0648\u0636\u0639\u06cc\u062a \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0633\u0631\u0648\u0631 \u0628\u0627 useReducer Hook<\/h2>\n<p>\u0642\u0644\u0627\u0628 useReducer \u062f\u0631 React \u0634\u0628\u06cc\u0647 \u0628\u0647 useState \u0647\u0648\u06a9 \u0627\u0633\u062a \u0627\u0645\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648\u0636\u0639\u06cc\u062a \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0648 \u0642\u0627\u0628\u0644 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc\u200c\u062a\u0631\u06cc \u0631\u0627 \u0627\u0645\u06a9\u0627\u0646\u200c\u067e\u0630\u06cc\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0647\u200c\u062c\u0627\u06cc \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0648\u0636\u0639\u06cc\u062a\u060c useReducer \u0628\u0647 \u0634\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u0631\u0627 \u0627\u0631\u0633\u0627\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u062a\u0648\u0635\u06cc\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u06cc\u06a9 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0634\u200c\u062f\u0647\u0646\u062f\u0647 \u06a9\u0647 \u0648\u0636\u0639\u06cc\u062a \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0639\u0645\u0644 \u0627\u0639\u0632\u0627\u0645 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<p>\u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0632\u0627\u06cc\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0644\u0627\u0628 useReducer \u0628\u0631\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0633\u0631\u0648\u0631\u060c \u062a\u0641\u06a9\u06cc\u06a9 \u0628\u0647\u062a\u0631 \u0646\u06af\u0631\u0627\u0646\u06cc \u0647\u0627 \u0627\u0633\u062a. \u0628\u0647\u200c\u062c\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0645\u0646\u0637\u0642 \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u062f\u0631 \u0633\u0631\u0627\u0633\u0631 \u0645\u0624\u0644\u0641\u0647 \u067e\u0631\u0627\u06a9\u0646\u062f\u0647 \u0628\u0627\u0634\u062f\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u062f\u0631 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0646\u062f\u0647 \u06a9\u067e\u0633\u0648\u0644\u0647 \u06a9\u0631\u062f \u0648 \u062f\u0631\u06a9 \u0648 \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u06a9\u062f \u0645\u0624\u0644\u0641\u0647 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u06a9\u0631\u062f.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0631\u062f\u0646 \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0644\u0627\u0628 useReducer \u0628\u0631\u0627\u06cc \u0628\u0647 \u062e\u0627\u0637\u0631 \u0633\u067e\u0631\u062f\u0646 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0632 \u06cc\u06a9 API \u0645\u062a\u063a\u06cc\u0631 JSON \u0648 \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a \u0645\u0624\u0644\u0641\u0647\u060c \u06a9\u062f \u0645\u0648\u062c\u0648\u062f \u062f\u0631 app.js \u0631\u0627 \u0628\u0647 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0632\u06cc\u0631 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u06a9\u0646\u06cc\u062f:<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>import { useReducer } from 'react';\r\nconst initialState = { data: [], loading: false, error: '' };\r\nconst reducer = (state, action) =&gt; {\r\nswitch (action.type) {\r\ncase 'FETCH_DATA_REQUEST':\r\nreturn { ...state, loading: true };\r\ncase 'FETCH_DATA_SUCCESS':\r\nreturn { ...state, data: action.payload, loading: false };\r\ncase 'FETCH_DATA_FAILURE':\r\nreturn { ...state, error: action.payload, loading: false };\r\ndefault:\r\nreturn state;\r\n}\r\n};\r\nfunction MyComponent() {\r\nconst [state, dispatch] = useReducer(reducer, initialState);\r\nconst fetchData = async () =&gt; {\r\ndispatch({ type: 'FETCH_DATA_REQUEST' });\r\ntry {\r\nconst response = await fetch('https:\/\/jsonplaceholder.typicode.com\/posts');\r\nconst data = await response.json();\r\ndispatch({ type: 'FETCH_DATA_SUCCESS', payload: data });\r\n} catch (error) {\r\ndispatch({ type: 'FETCH_DATA_FAILURE', payload: error.message });\r\n}\r\n};\r\nreturn (\r\n&lt;div&gt;\r\n{state.loading ? (\r\n&lt;p&gt;Loading...&lt;\/p&gt;\r\n) : state.error ? (\r\n&lt;p&gt;{state.error}&lt;\/p&gt;\r\n) :\r\n&lt;div&gt;\r\n{state.data.map((item) =&gt; (\r\n&lt;div key={item.id}&gt;\r\n&lt;h2&gt;{item.title}&lt;\/h2&gt;\r\n&lt;p&gt;{item.body}&lt;\/p&gt;\r\n&lt;\/div&gt;\r\n))}\r\n&lt;\/div&gt;\r\n)}\r\n&lt;button onClick={fetchData}&gt;Fetch Data&lt;\/button&gt;\r\n&lt;\/div&gt;\r\n);\r\n}\r\nexport default MyComponent<\/code><\/pre>\n<\/div>\n<p>\u062f\u0631 \u0642\u0637\u0639\u0647 \u06a9\u062f \u0627\u0631\u0627\u0626\u0647 \u0634\u062f\u0647\u060c \u0642\u0644\u0627\u0628 useReducer \u0628\u0627 \u062a\u0627\u0628\u0639 \u06a9\u0627\u0647\u0646\u062f\u0647 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0645\u06cc \u0634\u0648\u062f \u0648 \u062d\u0627\u0644\u062a \u0627\u0648\u0644\u06cc\u0647 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0622\u0631\u06af\u0648\u0645\u0627\u0646 \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f. \u0648\u0636\u0639\u06cc\u062a \u0645\u0648\u0644\u0641\u0647 \u0628\u0627 \u06cc\u06a9 \u0622\u0631\u0627\u06cc\u0647 \u062e\u0627\u0644\u06cc \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062f\u0627\u062f\u0647\u060c \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u06a9\u0647 \u0631\u0648\u06cc false \u062a\u0646\u0638\u06cc\u0645 \u0634\u062f\u0647 \u0627\u0633\u062a \u0648 \u06cc\u06a9 \u0645\u062a\u063a\u06cc\u0631 \u067e\u06cc\u0627\u0645 \u062e\u0637\u0627\u06cc \u062e\u0627\u0644\u06cc \u0645\u0642\u062f\u0627\u0631 \u062f\u0647\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u062f\u06a9\u0645\u0647 &#8220;\u0648\u0627\u06a9\u0634\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627&#8221; \u06a9\u0644\u06cc\u06a9 \u0645\u06cc \u0634\u0648\u062f\u060c \u062a\u0627\u0628\u0639 fetchData \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u0627\u0642\u062f\u0627\u0645\u0627\u062a\u06cc \u0631\u0627 \u062f\u0631 \u067e\u0627\u0633\u062e \u0628\u0647 \u0648\u0636\u0639\u06cc\u062a \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0627\u0631\u0633\u0627\u0644 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0648\u0641\u0642\u06cc\u062a \u0622\u0645\u06cc\u0632 \u06cc\u0627 \u0634\u06a9\u0633\u062a \u0628\u0627\u0634\u062f.<\/p>\n<p>\u062f\u0631 \u0632\u06cc\u0631 \u0646\u062a\u06cc\u062c\u0647 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u062f\u0631 \u0646\u0645\u0648\u0646\u0647 \u06a9\u062f \u0628\u0627\u0644\u0627 \u0622\u0645\u062f\u0647 \u0627\u0633\u062a:<\/p>\n<p><img  loading=\"lazy\"  decoding=\"async\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=\"  alt=\"\"  width=\"1410\"  height=\"569\"  class=\"aligncenter wp-image-16241 size-full pk-lazyload\"  data-pk-sizes=\"auto\"  data-pk-src=\"https:\/\/cdn.itpiran.net\/2024\/10\/24140347\/4.gif\" ><\/p>\n<p>\u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0642\u0644\u0627\u0628 useReducer \u0627\u0645\u06a9\u0627\u0646 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0627\u0631\u0622\u0645\u062f\u062a\u0631 \u062d\u0627\u0644\u062a \u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0646\u0634\u200c\u0647\u0627 \u0648 \u06a9\u0627\u0647\u0634\u200c\u062f\u0647\u0646\u062f\u0647\u200c\u0647\u0627 \u0628\u0631\u0627\u06cc \u0628\u0647\u200c\u0631\u0648\u0632\u0631\u0633\u0627\u0646\u06cc \u0648\u0636\u0639\u06cc\u062a\u060c \u06a9\u0646\u062a\u0631\u0644 \u062a\u0623\u062b\u06cc\u0631 \u0627\u0642\u062f\u0627\u0645\u0627\u062a \u0645\u062e\u062a\u0644\u0641 \u062f\u0631 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u06cc\u0627\u0644\u062a \u0633\u0627\u062f\u0647\u200c\u062a\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u0627\u0641\u0632\u0648\u062f\u0646 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062c\u062f\u06cc\u062f \u0648 \u0639\u06cc\u0628\u200c\u06cc\u0627\u0628\u06cc \u0645\u0634\u06a9\u0644\u0627\u062a \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u0627 \u0622\u0633\u0627\u0646\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n<h2 id=\"%d9%86%d8%aa%db%8c%d8%ac%d9%87\">\u0646\u062a\u06cc\u062c\u0647<\/h2>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u062e\u0644\u0627\u0635\u0647\u060c \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0627\u0635\u0648\u0644 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0628\u0627 React Hooks \u0631\u0627 \u067e\u0648\u0634\u0634 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a. React Hooks \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u06a9\u062a\u0627\u0628\u062e\u0627\u0646\u0647 React \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062a\u0648\u0633\u0639\u0647 \u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u0627\u0632 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u062d\u0627\u0644\u062a \u0648 \u0633\u0627\u06cc\u0631 \u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc React \u062f\u0631 \u0627\u062c\u0632\u0627\u06cc \u0639\u0645\u0644\u06a9\u0631\u062f\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u0646\u062f. \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0644\u0627\u0628\u200c\u0647\u0627\u06cc useEffect\u060c useMemo \u0648 useReducer\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a\u200c\u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0631\u0627 \u0645\u062f\u06cc\u0631\u06cc\u062a \u0648 \u0628\u0647\u06cc\u0646\u0647 \u06a9\u0646\u06cc\u062f \u0648 \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0632\u0645\u0627\u0646 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0633\u0631\u06cc\u0639\u200c\u062a\u0631\u060c \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0647\u0628\u0648\u062f \u06cc\u0627\u0641\u062a\u0647 \u0648 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u06cc \u0628\u0647\u062a\u0631\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u062e\u0648\u062f \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0628\u0627 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0622\u0645\u0648\u0632\u0634 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u0648 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0627\u0631\u0628\u0631\u06cc \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0648\u0628 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u06cc\u062f.<\/p>\n<p>\u0627\u06a9\u0646\u0648\u0646 \u0646\u0648\u0628\u062a \u0634\u0645\u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0646 \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627 \u0631\u0627 \u062f\u0631 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u062e\u0648\u062f \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f. \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06af\u0627\u0645 \u0628\u0639\u062f\u06cc\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0648\u0636\u0648\u0639\u0627\u062a \u067e\u06cc\u0634\u0631\u0641\u062a\u0647 \u062a\u0631\u06cc \u0645\u0627\u0646\u0646\u062f \u0635\u0641\u062d\u0647 \u0628\u0646\u062f\u06cc \u0648 \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0631\u0627 \u06a9\u0627\u0648\u0634 \u06a9\u0646\u06cc\u062f. \u0628\u0647 \u06cc\u0627\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 React Hooks \u06cc\u06a9 \u0641\u0646\u0627\u0648\u0631\u06cc \u0647\u0645\u06cc\u0634\u0647 \u062f\u0631 \u062d\u0627\u0644 \u062a\u0648\u0633\u0639\u0647 \u0627\u0633\u062a\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0627 \u0622\u062e\u0631\u06cc\u0646 \u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0647\u0627 \u0648 \u0628\u0647\u062a\u0631\u06cc\u0646 \u0634\u06cc\u0648\u0647 \u0647\u0627 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627\u0634\u06cc\u062f \u062a\u0627 \u0628\u0647 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u062e\u0648\u062f \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"Introducci\u00f3n Como desarrollador de React, \u00bfest\u00e1s cansado de luchar contra solicitudes de servidor mal administradas?","protected":false},"author":1,"featured_media":16235,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0628\u0627 React Hooks","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_primary_category":"193","footnotes":""},"categories":[193,363,204],"tags":[435,400],"class_list":{"0":"post-16234","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tutorials","8":"category-programming","9":"category-servers","10":"tag-programming","11":"tag-react-js"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc \u0633\u0631\u0648\u0631 \u0628\u0627 React Hooks - \u0628\u0644\u0627\u06af ITPiran<\/title>\n<meta name=\"robots\" content=\"index, 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