{"id":1556,"date":"2022-02-23T03:50:19","date_gmt":"2022-02-23T03:50:19","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=1556"},"modified":"2022-02-23T03:50:20","modified_gmt":"2022-02-23T03:50:20","slug":"component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/","title":{"rendered":"Component Trong ReactJS L\u00e0 G\u00ec? C\u1ea5u T\u1ea1o V\u00e0 C\u00e1ch T\u1ea1o Ra N\u00f3"},"content":{"rendered":"\n<p>\u0110\u1ec3 d\u1ec5 h\u00ecnh dung nh\u1ea5t v\u1ec1 <strong>Component trong ReactJS<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng \u0111\u1ebfn c\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t chi\u1ebfc oto. \u0110\u1ec3 t\u1ea1o th\u00e0nh n\u00f3, b\u1ea1n s\u1ebd c\u1ea7n nhi\u1ec1u Component (th\u00e0nh ph\u1ea7n) kh\u00e1c nhau. Component trong ReactJS c\u0169ng t\u01b0\u01a1ng t\u1ef1. V\u1eady, Component trong ReactJS l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o v\u00e0 c\u00e1ch t\u1ea1o ra n\u00f3 nh\u01b0 th\u1ebf n\u00e0o? H\u00e3y c\u00f9ng <strong><a href=\"https:\/\/topviecit.vn\/\">topviecit.vn<\/a> <\/strong>tham kh\u1ea3o trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/#Tim_hieu_ve_Component_trong_ReactJS_la_gi\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 Component trong ReactJS l\u00e0 g\u00ec?\">T\u00ecm hi\u1ec3u v\u1ec1 Component trong ReactJS l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/#Component_la_gi\" title=\"Component l\u00e0 g\u00ec?\">Component l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/#ReactJS_la_gi\" title=\"ReactJS l\u00e0 g\u00ec?\">ReactJS l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/#Component_trong_ReactJS_la_gi\" title=\"Component trong ReactJS l\u00e0 g\u00ec?\">Component trong ReactJS l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/#Cau_tao_va_cach_tao_ra_Component_trong_ReactJS\" title=\"C\u1ea5u t\u1ea1o v\u00e0 c\u00e1ch t\u1ea1o ra Component trong ReactJS\">C\u1ea5u t\u1ea1o v\u00e0 c\u00e1ch t\u1ea1o ra Component trong ReactJS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/#Cau_tao_Component_trong_ReactJS\" title=\"C\u1ea5u t\u1ea1o Component trong ReactJS\">C\u1ea5u t\u1ea1o Component trong ReactJS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/#Cach_tao_Component_trong_ReactJS\" title=\"C\u00e1ch t\u1ea1o Component trong ReactJS\">C\u00e1ch t\u1ea1o Component trong ReactJS<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_Component_trong_ReactJS_la_gi\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 Component trong ReactJS l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u v\u1ec1 Component trong ReactJS, h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 Component v\u00e0 ReactJS l\u00e0 g\u00ec. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Component_la_gi\"><\/span><strong>Component l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Component \u2013 th\u00e0nh ph\u1ea7n, l\u00e0 h\u1ec7 th\u1ed1ng c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh, qu\u00e1 tr\u00ecnh, ti\u1ec7n \u00edch ho\u1eb7c c\u1ee7a b\u1ea5t k\u1ef3 ph\u1ea7n n\u00e0o \u1edf h\u1ec7 \u0111i\u1ec1u h\u00e0nh. M\u1ee5c ti\u00eau c\u1ee7a Component s\u1ebd gi\u00fap qu\u1ea3n l\u00fd c\u00e1c khu v\u1ef1c m\u00e1y t\u00ednh kh\u00e1c nhau. M\u1ed9t Component n\u00f3i ri\u00eang s\u1ebd c\u00f3 h\u1ec7 th\u1ed1ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh. Tuy nhi\u00ean, \u0111\u00e2y s\u1ebd kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ee9 ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i t\u01b0\u01a1ng t\u00e1c khi s\u1eed d\u1ee5ng m\u00e1y t\u00ednh.<\/p>\n\n\n\n<p>Thu\u1eadt ng\u1eef n\u00e0y c\u0169ng c\u00f3 \u00fd ngh\u0129a t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi module. V\u1ec1 ng\u1eef ngh\u0129a, thu\u1eadt ng\u1eef Component v\u00e0 module s\u1ebd kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t qu\u00e1 nhi\u1ec1u. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, 2 thu\u1eadt ng\u1eef n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho nhau.<\/p>\n\n\n\n<p>Trong l\u0129nh v\u1ef1c IT, Component s\u1ebd \u0111\u01b0\u1ee3c d\u00f9ng nh\u01b0 thu\u1eadt ng\u1eef ch\u1ec9 c\u00e1c b\u1ed9 ph\u1eadn, y\u1ebfu t\u1ed1, th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh c\u1ee7a m\u1ed9t ph\u1ea7n m\u1ec1m, h\u1ec7 th\u1ed1ng. Trong l\u0129nh v\u1ef1c ph\u1ea7n m\u1ec1m, Component s\u1ebd c\u00f3 ch\u1ee9c n\u0103ng \u0111\u1eb7c bi\u1ec7t, l\u00e0 th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c g\u1ecdi ra t\u1eeb nh\u1eefng ch\u01b0\u01a1ng tr\u00ecnh kh\u00e1c. Sau \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c li\u00ean k\u1ebft, s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/stack-overflow-la-gi\/\">T\u00ecm Hi\u1ec3u Stack Overflow L\u00e0 G\u00ec? 5 B\u01b0\u1edbc \u0110\u1ec3 S\u1eed D\u1ee5ng Stack Overflow<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-17.jpeg\" alt=\"\" class=\"wp-image-1557\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-17.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-17-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-17-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption>Component l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng<\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ReactJS_la_gi\"><\/span><strong>ReactJS l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>ReactJS l\u00e0 thu\u1eadt ng\u1eef \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 th\u01b0 vi\u1ec7n \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng JavaScript. Th\u01b0 vi\u1ec7n n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e2y d\u1ef1ng UI \u2013 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng. Hi\u1ec7n t\u1ea1i, React v\u1eabn \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t ph\u1ed5 bi\u1ebfn b\u1edfi h\u1ec7 sinh th\u00e1i kh\u00e1 phong ph\u00fa.<\/p>\n\n\n\n<p>Tuy v\u1eady, \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ho\u00e0n ch\u1ec9nh, b\u1ea1n s\u1ebd c\u1ea7n th\u00eam nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c ngo\u00e0i ReactJS. C\u1ee5 th\u1ec3 s\u1ebd g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>HTML\/CSS: S\u1eed d\u1ee5ng khi l\u00e0m \u1ee9ng d\u1ee5ng web.<\/li><li>Server side language: X\u1eed l\u00fd logic, l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u1edf Server.<\/li><li>Objective C: S\u1eed d\u1ee5ng khi d\u00f9ng React \u0111\u1ec3 x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng tr\u00ean iOS.<\/li><li>Flux\/Redux?: Ki\u1ebfn th\u1ee9c gi\u00fap t\u1ed5 ch\u1ee9c code s\u1ea1ch s\u1ebd, r\u00f5 r\u00e0ng h\u01a1n.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Component_trong_ReactJS_la_gi\"><\/span><strong>Component trong ReactJS l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Component trong ReactJS s\u1ebd l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 k\u1ebft h\u1ee3p v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t website ho\u00e0n ch\u1ec9nh. V\u00ed d\u1ee5 nh\u01b0 c\u00e1c ph\u1ea7n footer, header, ph\u1ea7n th\u1ea7n, \u1ea3nh, slider, button,\u2026 C\u00e1c Component trong kh\u00e1ng th\u1ec3 s\u1ebd ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng c\u00e1c h\u00e0m tr\u1ea3 v\u1ec1 v\u1edbi th\u00e0nh ph\u1ea7n HTML.<\/p>\n\n\n\n<p>Component s\u1ebd gi\u00fap ph\u00e2n chia giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI) th\u00e0nh nhi\u1ec1u ph\u1ea7n nh\u1ecf h\u01a1n. T\u1eeb \u0111\u00f3 s\u1ebd gi\u00fap d\u1ec5 qu\u1ea3n l\u00fd c\u0169ng nh\u01b0 d\u1ec5 d\u00e0ng t\u00e1i s\u1eed d\u1ee5ng khi c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<p>Component l\u00e0 \u0111\u1ed9c l\u1eadp, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1ea1i. Nh\u1eefng Component n\u00e0y s\u1ebd l\u00e0m c\u00f4ng vi\u1ec7c t\u01b0\u01a1ng t\u1ef1 v\u1edbi function \u1edf JavaScript. Tuy v\u1eady, \u0111i\u1ec3m kh\u00e1c bi\u1ec7t l\u00e0 ch\u00fang s\u1ebd \u0111\u1ed9c l\u1eadp, nhi\u1ec7m v\u1ee5 ch\u00ednh l\u00e0 th\u00f4ng qua h\u00e0m render \u0111\u1ec3 tr\u1ea3 v\u1ec1 HTML.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/java-va-javascript-khac-nhau-the-nao\/\">Java V\u00e0 Javascript Kh\u00e1c Nhau Th\u1ebf N\u00e0o? \u0110\u1eb7c \u0110i\u1ec3m M\u1ed7i Lo\u1ea1i<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_tao_va_cach_tao_ra_Component_trong_ReactJS\"><\/span><strong>C\u1ea5u t\u1ea1o v\u00e0 c\u00e1ch t\u1ea1o ra Component trong ReactJS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_tao_Component_trong_ReactJS\"><\/span><strong>C\u1ea5u t\u1ea1o Component trong ReactJS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong React, Component s\u1ebd c\u00f3 2 lo\u1ea1i ch\u00ednh. Bao g\u1ed3m nh\u01b0 sau:<\/p>\n\n\n\n<p><strong>Functional Component \u2013 Component h\u00e0m<\/strong><\/p>\n\n\n\n<p>Th\u01b0\u1eddng s\u1ebd l\u00e0 m\u1ed9t h\u00e0m JavaScript b\u00ecnh th\u01b0\u1eddng. Tuy v\u1eady, gi\u00e1 tr\u1ecb returner s\u1ebd l\u00e0 m\u1ed9t object React Element. C\u00f3 2 h\u00e0m \u0111\u1ec3 t\u1ea1o ra Object n\u00e0y, g\u1ed3m h\u00e0m \u201cReact.cloneElement\u201d ho\u1eb7c \u201cReact.createElement\u201d.<\/p>\n\n\n\n<p><strong>Class Component \u2013 Component l\u1edbp<\/strong><\/p>\n\n\n\n<p>L\u00e0 m\u1ed9t class c\u1ee7a JavaScript, k\u1ebf th\u1eeba t\u1eeb 2 h\u00e0m \u0111\u01b0\u1ee3c n\u00eau \u1edf tr\u00ean. Ho\u1eb7c n\u00f3 c\u0169ng c\u00f3 th\u1ec3 k\u1ebf th\u1eeba t\u1eeb m\u1ed9t class Component kh\u00e1c. H\u00e0m class n\u00e0y s\u1ebd ph\u1ea3i implement v\u1edbi h\u00e0m render() c\u00f3 gi\u00e1 tr\u1ecb return t\u01b0\u01a1ng t\u1ef1 m\u1ed9t object Element. N\u1ed9i dung c\u1ee7a h\u00e0m n\u00e0y c\u0169ng s\u1ebd t\u01b0\u01a1ng t\u1ef1 so v\u1edbi Fractional Component \u1edf tr\u00ean.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_tao_Component_trong_ReactJS\"><\/span><strong>C\u00e1ch t\u1ea1o Component trong ReactJS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 t\u1ea1o m\u1ed9t Component trong ReactJS, b\u1ea1n th\u1ef1c hi\u1ec7n theo nh\u1eefng b\u01b0\u1edbc sau \u0111\u00e2y:<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 1: <\/strong>Nh\u01b0 \u0111\u00e3 n\u00f3i \u1edf tr\u00ean, Component s\u1ebd bao g\u1ed3m 2 lo\u1ea1i h\u00e0m ch\u00ednh. V\u1edbi m\u1ed7i lo\u1ea1i h\u00e0m, c\u00e1ch t\u1ea1o ra n\u00f3 c\u0169ng s\u1ebd kh\u00e1c nhau.<\/p>\n\n\n\n<p>Functional Component \u2013 Component h\u00e0m &#8211; G\u1ed3m c\u00e1ch t\u1ea1o Kh\u00f4ng d\u00f9ng JSX v\u00e0 c\u00f3 d\u00f9ng JSX, c\u1ee5 th\u1ec3 nh\u01b0 h\u00ecnh v\u1ebd.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-18.jpeg\" alt=\"C\u00e1ch t\u1ea1o Functional Component\" class=\"wp-image-1558\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-18.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-18-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-18-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>C\u00e1ch t\u1ea1o Functional Component<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>Class Component \u2013 Component l\u1edbp &#8211; C\u00e1ch \u0111\u1ec3 t\u1ea1o h\u00e0m n\u00e0y nh\u01b0 sau:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-19.jpeg\" alt=\"C\u00e1ch t\u1ea1o Class Component\" class=\"wp-image-1559\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-19.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-19-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-19-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>C\u00e1ch t\u1ea1o Class Component<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p><strong>B\u01b0\u1edbc 2:<\/strong> \u0110\u1eb7t t\u00ean cho t\u1eebng Component<\/p>\n\n\n\n<p>Sau khi \u0111\u00e3 t\u1ea1o c\u00e1c h\u00e0m, c\u1ea7n \u0111\u1eb7t t\u00ean cho c\u00e1c React Component. T\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c vi\u1ebft hoa d\u01b0\u1edbi d\u1ea1ng Pascal case.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-20.jpeg\" alt=\"C\u00e1ch \u0111\u1eb7t t\u00ean cho Component\" class=\"wp-image-1560\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-20.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-20-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-20-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>C\u00e1ch \u0111\u1eb7t t\u00ean cho Component<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p><strong>B\u01b0\u1edbc 3: <\/strong>Truy\u1ec1n tham s\u1ed1 v\u00e0o cho React Component<\/p>\n\n\n\n<p>Tham s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u00abproperty\u00bb, trong khi \u0111\u00f3, nh\u1eefng ng\u00f4n ng\u1eef nh\u01b0 HTML, XML s\u1ebd \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u00abattribute\u00bb &#8211; tham s\u1ed1 truy\u1ec1n v\u00e0o. Trong m\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u, property c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng cho ng\u00f4n ng\u1eef JavaScript, c\u00f2n c\u00e1c ng\u00f4n ng\u1eef markup nh\u01b0 HTML, XML s\u1ebd s\u1eed d\u1ee5ng attribute.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-21.jpeg\" alt=\"C\u00e1ch truy\u1ec1n tham s\u1ed1\" class=\"wp-image-1561\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-21.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-21-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-21-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>C\u00e1ch truy\u1ec1n tham s\u1ed1<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p><strong>B\u01b0\u1edbc 4: <\/strong>Nh\u1eadn tham s\u1ed1 t\u1eeb trong React Component<\/p>\n\n\n\n<p>Functional component: H\u00e0m nh\u1eadn \u0111\u01b0\u1ee3c tham s\u1ed1 s\u1ebd l\u00e0 m\u1ed9t object c\u00f3 value v\u00e0 key truy\u1ec1n t\u1eeb JSX.<\/p>\n\n\n\n<p>Class Component: H\u00e0m nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 class property, t\u00ean \u201cprops\u201d. B\u1ea1n s\u1ebd c\u1ea7n s\u1eed d\u1ee5ng c\u00e2u l\u1ec7nh this.props \u0111\u1ec3 truy c\u1eadp \u0111\u1ebfn n\u00f3.<\/p>\n\n\n\n<p>Ph\u00e2n t\u00e1ch tham s\u1ed1: V\u1edbi c\u00fa ph\u00e1p object destructuring, m\u1ed9t c\u00fa ph\u00e1p c\u1ee7a JavaScript ES6. C\u00fa ph\u00e1p n\u00e0y s\u1ebd gi\u00fap b\u1ea1n l\u1ea5y \u0111\u01b0\u1ee3c c\u00e1c property mu\u1ed1n s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-22.jpeg\" alt=\"C\u00e1ch nh\u1eadn tham s\u1ed1 t\u1eeb trong React Component\" class=\"wp-image-1562\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-22.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-22-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-22-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>C\u00e1ch nh\u1eadn tham s\u1ed1 t\u1eeb trong React Component<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>Prop m\u1eb7c \u0111\u1ecbnh: \u0110\u1ed1i v\u1edbi React, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh cho prop v\u1edbi defaultProps trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb b\u00ean ngo\u00e0i.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-23.jpeg\" alt=\"\" class=\"wp-image-1563\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-23.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-23-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-23-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Prop m\u1eb7c \u0111\u1ecbnh<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>L\u01b0u \u00fd, kh\u00f4ng g\u1eafn \u0111\u1ec1 props t\u1eeb b\u00ean ngo\u00e0i cho Component. React s\u1ebd kh\u00f4ng cho ph\u00e9p g\u00e1n \u0111\u00e8 gi\u00e1 tr\u1ecb l\u00ean props. \u0110o\u1ea1n m\u00e3 g\u00e2y l\u1ed7i nh\u01b0 sau:<\/p>\n\n\n\n<p>Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u v\u00e0 h\u00ecnh dung \u0111\u01b0\u1ee3c <strong>Component trong ReactJS<\/strong> nh\u01b0 th\u1ebf n\u00e0o. \u0110\u1eebng qu\u00ean l\u01b0u l\u1ea1i th\u00f4ng tin v\u00e0 th\u01b0\u1eddng xuy\u00ean theo d\u00f5i chuy\u00ean m\u1ee5c n\u00e0y \u0111\u1ec3 c\u1eadp nh\u1eadp th\u00eam c\u00e1c b\u00e0i vi\u1ebft b\u1ed5 \u00edch v\u1ec1 l\u0129nh v\u1ef1c IT nh\u00e9.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/back-end-developer-la-gi\/\">Back-End Developer L\u00e0 G\u00ec? L\u00e0m Back-End C\u1ea7n H\u1ecdc Nh\u1eefng G\u00ec?<\/a><\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>H\u00ecnh \u1ea3nh: S\u01b0u t\u1ea7m<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ec3 d\u1ec5 h\u00ecnh dung nh\u1ea5t v\u1ec1 Component trong ReactJS, b\u1ea1n c\u00f3 th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng \u0111\u1ebfn c\u1ea5u t\u1ea1o c\u1ee7a m\u1ed9t chi\u1ebfc oto. \u0110\u1ec3 t\u1ea1o th\u00e0nh n\u00f3, b\u1ea1n s\u1ebd c\u1ea7n nhi\u1ec1u Component (th\u00e0nh ph\u1ea7n) kh\u00e1c nhau. Component trong ReactJS c\u0169ng t\u01b0\u01a1ng t\u1ef1. V\u1eady, Component trong ReactJS l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o v\u00e0 c\u00e1ch t\u1ea1o ra n\u00f3 nh\u01b0 th\u1ebf [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1564,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86],"tags":[383,382],"class_list":["post-1556","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","tag-cach-tao-ra-component-trong-reactjs","tag-component-trong-reactjs-la-gi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Component Trong ReactJS L\u00e0 G\u00ec? C\u1ea5u T\u1ea1o V\u00e0 C\u00e1ch T\u1ea1o Ra N\u00f3<\/title>\n<meta name=\"description\" content=\"Component trong ReactJS s\u1ebd l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 k\u1ebft h\u1ee3p v\u1edbi nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t website ho\u00e0n ch\u1ec9nh.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Component Trong ReactJS L\u00e0 G\u00ec? 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