{"id":4359,"date":"2023-02-13T07:43:35","date_gmt":"2023-02-13T07:43:35","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=4359"},"modified":"2023-07-18T15:09:31","modified_gmt":"2023-07-18T15:09:31","slug":"cau-hoi-phong-van-thuc-tap-front-end","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/","title":{"rendered":"Tr\u1ecdn b\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End ph\u1ed5 bi\u1ebfn nh\u1ea5t"},"content":{"rendered":"\n<p>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 v\u01b0\u1ee3t qua nh\u1eefng c\u00e2u h\u1ecfi c\u1ee7a nh\u00e0 tuy\u1ec3n d\u1ee5ng trong v\u00f2ng ph\u1ecfng v\u1ea5n <strong><a href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">th\u1ef1c t\u1eadp Front End<\/mark><\/a><\/strong>? Nh\u00e0 tuy\u1ec3n d\u1ee5ng k\u1ef3 v\u1ecdng \u0111i\u1ec1u g\u00ec v\u00e0 n\u00ean tr\u1ea3 l\u1eddi ra sao \u0111\u1ec3 ghi \u0111i\u1ec3m? <a href=\"https:\/\/topviecit.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">TopviecIT<\/mark><\/strong><\/a> s\u1ebd chia s\u1ebb v\u1edbi b\u1ea1n ngay sau \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\/cau-hoi-phong-van-thuc-tap-front-end\/#Yeu_cau_cua_nha_tuyen_dung_doi_voi_thuc_tap_Front_End\" title=\"Y\u00eau c\u1ea7u c\u1ee7a nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u1ed1i v\u1edbi th\u1ef1c t\u1eadp Front End\">Y\u00eau c\u1ea7u c\u1ee7a nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u1ed1i v\u1edbi th\u1ef1c t\u1eadp Front End<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Cau_hoi_thong_tin_chung_trong_phong_van_thuc_tap_Front_End\" title=\"C\u00e2u h\u1ecfi th\u00f4ng tin chung trong ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End\">C\u00e2u h\u1ecfi th\u00f4ng tin chung trong ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Hay_gioi_thieu_ngan_gon_ve_ban_than_ban\" title=\"H\u00e3y gi\u1edbi thi\u1ec7u ng\u1eafn g\u1ecdn v\u1ec1 b\u1ea3n th\u00e2n b\u1ea1n\">H\u00e3y gi\u1edbi thi\u1ec7u ng\u1eafn g\u1ecdn v\u1ec1 b\u1ea3n th\u00e2n b\u1ea1n<\/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\/cau-hoi-phong-van-thuc-tap-front-end\/#Muc_tieu_cong_viec_cua_ban_la_gi\" title=\"M\u1ee5c ti\u00eau c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n l\u00e0 g\u00ec?\">M\u1ee5c ti\u00eau c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n 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-5\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Ly_do_ban_lua_chon_cong_ty\" title=\"L\u00fd do b\u1ea1n l\u1ef1a ch\u1ecdn c\u00f4ng ty\">L\u00fd do b\u1ea1n l\u1ef1a ch\u1ecdn c\u00f4ng ty<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Cac_cau_hoi_chuyen_mon_ve_thuc_tap_Front_End\" title=\"C\u00e1c c\u00e2u h\u1ecfi chuy\u00ean m\u00f4n v\u1ec1 th\u1ef1c t\u1eadp Front End\">C\u00e1c c\u00e2u h\u1ecfi chuy\u00ean m\u00f4n v\u1ec1 th\u1ef1c t\u1eadp Front End<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#HTML\" title=\"HTML\">HTML<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#The_la_gi\" title=\"Th\u1ebb &lt;!DOCTYPE html&gt; l\u00e0 g\u00ec?\">Th\u1ebb &lt;!DOCTYPE html&gt; l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#The_meta_la_gi\" title=\"Th\u1ebb meta l\u00e0 g\u00ec?\">Th\u1ebb meta l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#HTML_Semantic_la_gi\" title=\"HTML Semantic l\u00e0 g\u00ec?\">HTML Semantic l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#HTML5_la_gi\" title=\"HTML5 l\u00e0 g\u00ec?\">HTML5 l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Mot_so_cau_hoi_khac\" title=\"M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c\">M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#CSS\" title=\"CSS\">CSS<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Phan_biet_Inline_Block_Inline-Block\" title=\"Ph\u00e2n bi\u1ec7t Inline, Block, Inline-Block\">Ph\u00e2n bi\u1ec7t Inline, Block, Inline-Block<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Phan_biet_Flexbox_va_Grid\" title=\"Ph\u00e2n bi\u1ec7t Flexbox v\u00e0 Grid\">Ph\u00e2n bi\u1ec7t Flexbox v\u00e0 Grid<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Phan_biet_cac_don_vi_px_rem_em\" title=\"Ph\u00e2n bi\u1ec7t c\u00e1c \u0111\u01a1n v\u1ecb px, rem, em\">Ph\u00e2n bi\u1ec7t c\u00e1c \u0111\u01a1n v\u1ecb px, rem, em<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Model_box_la_gi\" title=\"Model box l\u00e0 g\u00ec?\">Model box l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Mot_so_cau_hoi_khac-2\" title=\"M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c\">M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#JavaScript\" title=\"JavaScript\">JavaScript<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Cac_thao_tac_voi_DOM_la_gi\" title=\"C\u00e1c thao t\u00e1c v\u1edbi DOM l\u00e0 g\u00ec?\">C\u00e1c thao t\u00e1c v\u1edbi DOM l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Phan_biet_Var_Let_Const\" title=\"Ph\u00e2n bi\u1ec7t Var, Let, Const\">Ph\u00e2n bi\u1ec7t Var, Let, Const<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Truthy_Falsy_la_gi\" title=\"Truthy, Falsy l\u00e0 g\u00ec?\">Truthy, Falsy l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Hoisting_la_gi_Vai_tro\" title=\"Hoisting l\u00e0 g\u00ec? Vai tr\u00f2?\">Hoisting l\u00e0 g\u00ec? Vai tr\u00f2?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Mot_so_cau_hoi_khac-3\" title=\"M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c\">M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#ReactJS\" title=\"ReactJS\">ReactJS<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#JSX_la_gi_Su_dung_trong_truong_hop_nao\" title=\"JSX l\u00e0 g\u00ec? S\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o?\">JSX l\u00e0 g\u00ec? S\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#DOM_ao_la_gi_Vai_tro\" title=\"DOM \u1ea3o l\u00e0 g\u00ec? Vai tr\u00f2?\">DOM \u1ea3o l\u00e0 g\u00ec? Vai tr\u00f2?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#SSR_va_CSR_la_gi_So_sanh_SSR_va_CSR\" title=\"SSR v\u00e0 CSR l\u00e0 g\u00ec? So s\u00e1nh SSR v\u00e0 CSR\">SSR v\u00e0 CSR l\u00e0 g\u00ec? So s\u00e1nh SSR v\u00e0 CSR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Class_components_va_Functional_components_khac_nhau_nhu_the_nao\" title=\"Class components v\u00e0 Functional components kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?\">Class components v\u00e0 Functional components kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-thuc-tap-front-end\/#Mot_so_cau_hoi_khac-4\" title=\"M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c\">M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Yeu_cau_cua_nha_tuyen_dung_doi_voi_thuc_tap_Front_End\"><\/span><strong>Y\u00eau c\u1ea7u c\u1ee7a nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u1ed1i v\u1edbi th\u1ef1c t\u1eadp Front End<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Th\u1ef1c t\u1eadp Front End l\u00e0 c\u00f4ng vi\u1ec7c h\u1ed7 tr\u1ee3 c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean ch\u00ednh th\u1ee9c trong vi\u1ec7c ph\u00e1t tri\u1ec3n website HTML\/CSS\/Javascript, test s\u1ea3n ph\u1ea9m tr\u00ean tr\u00ecnh duy\u1ec7t v\u00e0 h\u1ec7 th\u1ed1ng. \u0110\u1ed3ng th\u1eddi th\u1ef1c t\u1eadp sinh Front End c\u0169ng c\u1ea7n bi\u1ebft \u0111\u1ecdc hi\u1ec3u t\u00e0i li\u1ec7u requirement \u0111\u1ec3 tham gia x\u00e2y d\u1ef1ng v\u00e0 t\u1ed1i \u01b0u quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-2.jpg\" alt=\"Nh\u00e0 tuy\u1ec3n d\u1ee5ng y\u00eau c\u1ea7u th\u1ef1c t\u1eadp Front End ph\u1ea3i c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 Javacript\" class=\"wp-image-4361\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-2.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-2-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-2-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Nh\u00e0 tuy\u1ec3n d\u1ee5ng y\u00eau c\u1ea7u th\u1ef1c t\u1eadp Front End ph\u1ea3i c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 Javacript<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>V\u1eady n\u00ean khi <strong><a href=\"https:\/\/tuyendung.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u0103ng tin tuy\u1ec3n d\u1ee5ng<\/a><\/strong> th\u1ef1c t\u1eadp Front End, nh\u00e0 tuy\u1ec3n d\u1ee5ng mong mu\u1ed1n \u1ee9ng vi\u00ean c\u00f3 nh\u1eefng k\u1ef9 n\u0103ng sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u1ee9 nh\u1ea5t, hi\u1ec3u v\u1ec1 l\u1eadp tr\u00ecnh, \u0111\u1eb7c bi\u1ec7t l\u00e0 JavaScript.&nbsp;<\/li>\n\n\n\n<li>Th\u1ee9 hai, am hi\u1ec3u c\u00e1c frameworks v\u00e0 nh\u1eefng th\u01b0 vi\u1ec7n th\u00f4ng d\u1ee5ng nh\u01b0: React, Angular, Vue.js,\u2026&nbsp;<\/li>\n\n\n\n<li>Th\u1ee9 ba, n\u1eafm v\u1eefng v\u1ec1 CSS, HTML, HTML5 \u0111\u1ec3 tri\u1ec3n khai pixel thi\u1ebft k\u1ebf th\u00e0nh CSS, thi\u1ebft k\u1ebf responsive v\u00e0 c\u00e1c chi ti\u1ebft.&nbsp;<\/li>\n\n\n\n<li>Th\u1ee9 t\u01b0, kh\u1ea3 n\u0103ng \u0111\u1ecdc hi\u1ec3u ti\u1ebfng Anh t\u1ed1t \u0111\u1ec3 nghi\u00ean c\u1ee9u c\u00e1c requirements.&nbsp;<\/li>\n\n\n\n<li>Th\u1ee9 n\u0103m, c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 tr\u00ecnh duy\u1ec7t v\u00e0 c\u00e1ch g\u1ee1 l\u1ed7i code.<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 l\u1eadp tr\u00ecnh <strong><a href=\"https:\/\/www.topcv.vn\/front-end-la-gi\" target=\"_blank\" rel=\"noreferrer noopener\">front end l\u00e0 g\u00ec<\/a><\/strong> v\u00e0 c\u00f4ng vi\u1ec7c c\u1ee7a h\u1ecd g\u1ed3m nh\u1eefng g\u00ec, xem ngay b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y!<\/p>\n\n\n\n<p><strong>&gt;&gt;&gt; <a href=\"https:\/\/topviecit.vn\/blog\/tim-hieu-lap-trinh-front-end-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">L\u1eadp Tr\u00ecnh Front End L\u00e0 G\u00ec? N\u00ean L\u00e0m L\u1eadp Tr\u00ecnh Vi\u00ean Front End Kh\u00f4ng?<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cau_hoi_thong_tin_chung_trong_phong_van_thuc_tap_Front_End\"><\/span><strong>C\u00e2u h\u1ecfi th\u00f4ng tin chung trong ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hay_gioi_thieu_ngan_gon_ve_ban_than_ban\"><\/span><strong>H\u00e3y gi\u1edbi thi\u1ec7u ng\u1eafn g\u1ecdn v\u1ec1 b\u1ea3n th\u00e2n b\u1ea1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>C\u00f3 \u0111\u1ebfn <strong>tr\u00ean 90% nh\u00e0 tuy\u1ec3n d\u1ee5ng<\/strong> b\u1eaft \u0111\u1ea7u bu\u1ed5i ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End b\u1eb1ng c\u00e2u h\u1ecfi n\u00e0y. Nh\u00e0 tuy\u1ec3n d\u1ee5ng mu\u1ed1n bi\u1ebft b\u1ea1n n\u00f3i g\u00ec v\u1ec1 b\u1ea3n th\u00e2n m\u00ecnh. T\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 khai th\u00e1c v\u00e0 trao \u0111\u1ed5i nhi\u1ec1u h\u01a1n v\u1edbi b\u1ea1n.<\/p>\n\n\n\n<p>\u0110\u1ec3 c\u00f3 2 &#8211; 3 ph\u00fat gi\u1edbi thi\u1ec7u b\u1ea3n th\u00e2n \u1ea5n t\u01b0\u1ee3ng, h\u00e3y l\u01b0u \u00fd nh\u1eefng th\u00f4ng tin sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u1eddi c\u1ea3m \u01a1n v\u00ec nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u00e3 trao c\u01a1 h\u1ed9i \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 c\u00f4ng vi\u1ec7c<\/li>\n\n\n\n<li>H\u1ecd t\u00ean, tu\u1ed5i<\/li>\n\n\n\n<li>Tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n: T\u00ean ng\u00e0nh v\u00e0 tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc c\u1ee7a b\u1ea1n<\/li>\n\n\n\n<li>L\u00fd do l\u1ef1a ch\u1ecdn theo \u0111u\u1ed5i c\u00f4ng vi\u1ec7c Front End developer<\/li>\n\n\n\n<li>\u0110i\u1ec3m m\u1ea1nh, \u0111i\u1ec3m y\u1ebfu c\u1ee7a b\u1ea3n th\u00e2n<\/li>\n<\/ul>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/tuyen-tap-nhung-cau-hoi-phong-van-front-end\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tuy\u1ec3n T\u1eadp Nh\u1eefng C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n Front End Hay G\u1eb7p Nh\u1ea5t<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-1.jpg\" alt=\"C\u00e2u h\u1ecfi gi\u1edbi thi\u1ec7u b\u1ea3n th\u00e2n l\u00e0 c\u00e2u \u0111\u1ea7u ti\u00ean v\u00e0 c\u01a1 b\u1ea3n nh\u1ea5t khi ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End\" class=\"wp-image-4392\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-1.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-1-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-1-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e2u h\u1ecfi gi\u1edbi thi\u1ec7u b\u1ea3n th\u00e2n l\u00e0 c\u00e2u \u0111\u1ea7u ti\u00ean v\u00e0 c\u01a1 b\u1ea3n nh\u1ea5t khi ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Muc_tieu_cong_viec_cua_ban_la_gi\"><\/span><strong>M\u1ee5c ti\u00eau c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u1eb7t ra c\u00e2u h\u1ecfi n\u00e0y nh\u1eb1m x\u00e1c \u0111\u1ecbnh th\u1ef1c t\u1eadp sinh c\u00f3 nghi\u00eam t\u00fac mu\u1ed1n h\u1ecdc h\u1ecfi v\u00e0 ph\u00e1t tri\u1ec3n trong l\u0129nh v\u1ef1c Front End hay kh\u00f4ng.<\/p>\n\n\n\n<p>H\u00e3y chia m\u1ee5c ti\u00eau th\u00e0nh: Ng\u1eafn h\u1ea1n (1 &#8211; 2 n\u0103m) v\u00e0 d\u00e0i h\u1ea1n (3 &#8211; 5 n\u0103m). Sau \u0111\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: B\u1ea3n th\u00e2n b\u1ea1n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u g\u00ec trong kho\u1ea3ng th\u1eddi gian \u1ea5y?<\/p>\n\n\n\n<p>Sau \u0111\u00e2y l\u00e0 c\u00e1ch tr\u1ea3 l\u1eddi g\u1ee3i \u00fd cho c\u00e2u h\u1ecfi tr\u00ean:<\/p>\n\n\n\n<p><strong>M\u1ee5c ti\u00eau ng\u1eafn h\u1ea1n<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1ee3c tr\u1ea3i nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c th\u1ef1c t\u1ebf \u0111\u1ec3 h\u1ecdc h\u1ecfi, t\u00edch l\u0169y kinh nghi\u1ec7m.<\/li>\n\n\n\n<li>Tr\u1edf th\u00e0nh Front End developer ch\u00ednh th\u1ee9c c\u1ee7a c\u00f4ng ty.<\/li>\n<\/ul>\n\n\n\n<p><strong>M\u1ee5c ti\u00eau d\u00e0i h\u1ea1n<\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u1edf th\u00e0nh m\u1ed9t Front End developer chuy\u00ean nghi\u1ec7p sau 2 n\u0103m l\u00e0m vi\u1ec7c.<\/li>\n\n\n\n<li>Th\u00e0nh c\u00f4ng \u1edf c\u00e1c v\u1ecb tr\u00ed cao h\u01a1n nh\u01b0 tr\u01b0\u1edfng ph\u00f2ng, qu\u1ea3n l\u00fd sau 3-5 n\u0103m l\u00e0m vi\u1ec7c.<\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c l\u00e0m vi\u1ec7c v\u00e0 c\u1ed1ng hi\u1ebfn cho c\u00f4ng ty trong th\u1eddi gian d\u00e0i.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-10.jpg\" alt=\"\u0110\u1ec3 tr\u1ea3 l\u1eddi t\u1ed1t c\u00e2u h\u1ecfi m\u1ee5c ti\u00eau ngh\u1ec1 nghi\u1ec7p, b\u1ea1n n\u00ean \u0111\u01b0a ra m\u1ee5c ti\u00eau ng\u1eafn h\u1ea1n v\u00e0 d\u00e0i h\u1ea1n\" class=\"wp-image-4391\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-10.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-10-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-10-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>\u0110\u1ec3 tr\u1ea3 l\u1eddi t\u1ed1t c\u00e2u h\u1ecfi m\u1ee5c ti\u00eau ngh\u1ec1 nghi\u1ec7p, b\u1ea1n n\u00ean \u0111\u01b0a ra m\u1ee5c ti\u00eau ng\u1eafn h\u1ea1n v\u00e0 d\u00e0i h\u1ea1n<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ly_do_ban_lua_chon_cong_ty\"><\/span><strong>L\u00fd do b\u1ea1n l\u1ef1a ch\u1ecdn c\u00f4ng ty<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Kh\u00f4ng ch\u1ec9 th\u1ef1c t\u1eadp Front End, \u1ee9ng vi\u00ean \u1edf b\u1ea5t c\u1ee9 v\u1ecb tr\u00ed n\u00e0o c\u0169ng c\u1ea7n t\u00ecm hi\u1ec3u s\u01a1 b\u1ed9 v\u1ec1 c\u00f4ng ty v\u00e0 l\u0129nh v\u1ef1c \u1ee9ng tuy\u1ec3n tr\u01b0\u1edbc khi tham gia ph\u1ecfng v\u1ea5n.<\/p>\n\n\n\n<p>\u0110\u1ec3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi n\u00e0y, b\u1ea1n h\u00e3y t\u00ecm hi\u1ec3u k\u1ef9 c\u00e1c v\u1ea5n \u0111\u1ec1 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u0129nh v\u1ef1c kinh doanh c\u1ee7a c\u00f4ng ty l\u00e0 g\u00ec?<\/li>\n\n\n\n<li>Selling point (l\u1ee3i th\u1ebf c\u1ea1nh tranh) c\u1ee7a c\u00f4ng ty l\u00e0 g\u00ec?<\/li>\n\n\n\n<li>Nh\u1eefng gi\u00e1 tr\u1ecb n\u00e0o c\u1ee7a c\u00f4ng ty ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n?<\/li>\n\n\n\n<li>Gi\u00e1 tr\u1ecb n\u00e0o c\u1ee7a b\u1ea1n s\u1ebd \u0111em l\u1ea1i l\u1ee3i \u00edch cho v\u1ecb tr\u00ed c\u00f4ng vi\u1ec7c v\u00e0 c\u00f4ng ty<\/li>\n<\/ul>\n\n\n\n<p><strong>Xem th\u00eam:<\/strong> <a href=\"https:\/\/topviecit.vn\/blog\/phong-van-it\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Chia s\u1ebb kinh nghi\u1ec7m ph\u1ecfng v\u1ea5n IT cho sinh vi\u00ean m\u1edbi t\u1ed1t nghi\u1ec7p<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_chuyen_mon_ve_thuc_tap_Front_End\"><\/span><strong>C\u00e1c c\u00e2u h\u1ecfi chuy\u00ean m\u00f4n v\u1ec1 th\u1ef1c t\u1eadp Front End<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 ki\u1ec3m tra th\u1ef1c t\u1eadp sinh Front End c\u00f3 \u0111\u1ea3m b\u1ea3o nh\u1eefng y\u00eau c\u1ea7u c\u01a1 b\u1ea3n v\u1ec1 ki\u1ebfn th\u1ee9c hay kh\u00f4ng, nh\u00e0 tuy\u1ec3n d\u1ee5ng th\u01b0\u1eddng \u0111\u01b0a ra m\u1ed9t v\u00e0i c\u00e2u h\u1ecfi kh\u00e1i ni\u1ec7m k\u00e8m v\u00ed d\u1ee5 th\u1ef1c t\u1ebf. \u0110\u1ec3 d\u1ec5 d\u00e0ng ki\u1ec3m tra tr\u00ecnh \u0111\u1ed9 c\u1ee7a th\u1ef1c t\u1eadp Front End, nh\u1eefng c\u00e2u h\u1ecfi chuy\u00ean m\u00f4n s\u1ebd th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia theo 4 l\u0129nh v\u1ef1c ch\u1ee7 y\u1ebfu l\u00e0: HTML, CSS, JavaScript v\u00e0 ReactJS.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-2.jpg\" alt=\"C\u00e2u h\u1ecfi chuy\u00ean m\u00f4n ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End l\u00e0 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t trong bu\u1ed5i ph\u1ecfng v\u1ea5n\" class=\"wp-image-4394\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-2.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-2-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-2-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e2u h\u1ecfi chuy\u00ean m\u00f4n ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End l\u00e0 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t trong bu\u1ed5i ph\u1ecfng v\u1ea5n<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HTML\"><\/span><strong>HTML<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_la_gi\"><\/span><strong>Th\u1ebb &lt;!DOCTYPE html&gt; l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>&lt;!DOCTYPE html&gt; \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u1ea7u website \u0111\u1ec3 cho tr\u00ecnh duy\u1ec7t\/c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm bi\u1ebft \u0111\u01b0\u1ee3c website c\u1ee7a b\u1ea1n \u0111ang s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n ng\u00f4n ng\u1eef \u0111\u00e1nh d\u1ea5u (hay markup language) n\u00e0o.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_meta_la_gi\"><\/span><strong>Th\u1ebb meta l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>L\u00e0 nh\u1eefng d\u00f2ng m\u00e3 \u0111\u1eb7t \u1edf ph\u1ea7n \u0111\u1ea7u trang html \u0111\u1ec3 cung c\u1ea5p th\u00f4ng tin v\u1ec1 website cho c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. M\u1ed9t s\u1ed1 th\u1ebb meta c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn l\u00e0: Title, description, keyword, content-type, view-port&#8230;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HTML_Semantic_la_gi\"><\/span><strong>HTML Semantic l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Th\u1ebb Semantic trong HTML gi\u00fap m\u00f4 t\u1ea3 r\u00f5 r\u00e0ng \u00fd ngh\u0129a c\u1ee7a th\u1ebb \u0111\u00f3. Khi \u0111\u1ecdc t\u00ean c\u00e1c th\u1ebb n\u00e0y, l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 hi\u1ec3u n\u1ed9i dung b\u00ean trong element l\u00e0 g\u00ec.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 th\u1ebb Semantic: &lt;form&gt;, &lt;table&gt;, &lt;img&gt;,&#8230;<\/p>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/html-co-phai-ngon-ngu-lap-trinh-khong\/\" target=\"_blank\" rel=\"noreferrer noopener\">Html L\u00e0 G\u00ec? Html C\u00f3 Ph\u1ea3i L\u00e0 Ng\u00f4n Ng\u1eef L\u1eadp Tr\u00ecnh Kh\u00f4ng?<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-3.jpg\" alt=\"C\u00e2u h\u1ecfi v\u1ec1 HTML s\u1ebd bao g\u1ed3m ki\u1ebfn th\u1ee9c v\u1ec1 th\u1ebb meta, HTML Semantic\" class=\"wp-image-4398\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-3.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-3-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-3-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e2u h\u1ecfi v\u1ec1 HTML s\u1ebd bao g\u1ed3m ki\u1ebfn th\u1ee9c v\u1ec1 th\u1ebb meta, HTML Semantic<\/em><\/figcaption><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HTML5_la_gi\"><\/span><strong>HTML5 l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u0110\u00e2y l\u00e0 phi\u00ean b\u1ea3n th\u1ee9 5 c\u1ee7a HTML v\u00e0 \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. Code b\u1eb1ng HTML5 l\u00e0 r\u00f5 r\u00e0ng v\u00e0 nh\u1ea5t qu\u00e1n nh\u1ea5t. Phi\u00ean b\u1ea3n n\u00e0y c\u00f2n h\u1ed7 tr\u1ee3 \u00e2m thanh, video, nhi\u1ec1u layout elements,&#8230;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_cau_hoi_khac\"><\/span><strong>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DOM trong HTML l\u00e0 g\u00ec?<\/li>\n\n\n\n<li>Kh\u00e1c nhau gi\u1eefa th\u1ebb Div v\u00e0 Span?<\/li>\n\n\n\n<li>SEO l\u00e0 g\u00ec? C\u00e1ch SEO m\u1ed9t trang web?<\/li>\n\n\n\n<li>Th\u1ebb Image c\u00f3 2 thu\u1ed9c t\u00ednh quan tr\u1ecdng l\u00e0 g\u00ec? Ch\u1ee9c n\u0103ng c\u1ee7a thu\u1ed9c t\u00ednh \u0111\u00f3?<\/li>\n\n\n\n<li>Th\u1ebb label c\u00f3 thu\u1ed9c t\u00ednh for d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CSS\"><\/span><strong>CSS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Phan_biet_Inline_Block_Inline-Block\"><\/span><strong>Ph\u00e2n bi\u1ec7t Inline, Block, Inline-Block<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inline: Item s\u1ebd n\u1eb1m tr\u00ean c\u00f9ng m\u1ed9t d\u00f2ng. N\u1ebfu c\u00e1c items v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 d\u00e0i c\u1ee7a d\u00f2ng th\u00ec s\u1ebd xu\u1ed1ng d\u00f2ng m\u1edbi. Ch\u1ec9 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh margin v\u00e0 padding left and right, kh\u00f4ng th\u1ec3 set width and height.<\/li>\n\n\n\n<li>Block: Lu\u00f4n \u0111\u01b0\u1ee3c xu\u1ed1ng d\u00f2ng v\u00e0 chi\u1ebfm to\u00e0n b\u1ed9 width n\u1ebfu kh\u00f4ng set width. Set \u0111\u01b0\u1ee3c width, height, margin, padding \u0111\u1ea7y \u0111\u1ee7 4 h\u01b0\u1edbng (top, bottom, right, left).<\/li>\n\n\n\n<li>Inline-Block: C\u00e1c items s\u1ebd \u0111\u01b0\u1ee3c x\u1ebfp c\u00f9ng tr\u00ean m\u1ed9t d\u00f2ng. C\u00f3 th\u1ec3 set width, height, margin, padding \u0111\u1ee7 4 h\u01b0\u1edbng.<\/li>\n<\/ul>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/css-framework-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">CSS Framework L\u00e0 G\u00ec? Top 5 CSS Framework S\u1eed D\u1ee5ng Ph\u1ed5 Bi\u1ebfn<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-4.jpg\" alt=\"C\u00e2u h\u1ecfi v\u1ec1 CSS s\u1ebd ch\u1ee7 y\u1ebfu v\u1ec1 ph\u00e2n bi\u1ec7t c\u00e1c kh\u00e1i ni\u1ec7m\" class=\"wp-image-4399\" width=\"800\" height=\"500\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-4.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-4-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-4-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>C\u00e2u h\u1ecfi v\u1ec1 CSS s\u1ebd ch\u1ee7 y\u1ebfu v\u1ec1 ph\u00e2n bi\u1ec7t c\u00e1c kh\u00e1i ni\u1ec7m<\/em><\/figcaption><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Phan_biet_Flexbox_va_Grid\"><\/span><strong>Ph\u00e2n bi\u1ec7t Flexbox v\u00e0 Grid<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Flexbox s\u1eafp x\u1ebfp c\u00e1c ph\u1ea7n t\u1eed th\u00e0nh 1 d\u00f2ng (ho\u1eb7c 1 c\u1ed9t, n\u1ebfu mu\u1ed1n), trong khi Grid t\u1ea1o m\u1ed9t l\u01b0\u1edbi c\u00e1c c\u1ed9t v\u00e0 h\u00e0ng.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Phan_biet_cac_don_vi_px_rem_em\"><\/span><strong>Ph\u00e2n bi\u1ec7t c\u00e1c \u0111\u01a1n v\u1ecb px, rem, em<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Px: Pixel l\u00e0 \u0111\u01a1n v\u1ecb ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. Cho bi\u1ebft chi\u1ec1u d\u00e0i tuy\u1ec7t \u0111\u1ed1i hay c\u1ed1 \u0111\u1ecbnh.<\/li>\n\n\n\n<li>Rem: 1rem = 16px. Gi\u00e1 tr\u1ecb c\u1ee7a Rem ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1eb7t ph\u1ee5 thu\u1ed9c trong th\u1ebb HTML<\/li>\n\n\n\n<li>Em: 1em = 16px nh\u01b0ng gi\u00e1 tr\u1ecb c\u1ee7a em c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong ph\u1ea7n t\u1eed c\u1ee7a ch\u00ednh n\u00f3 v\u00e0 ph\u1ea7n t\u1eed m\u1eb9 g\u1ea7n nh\u1ea5t.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Model_box_la_gi\"><\/span><strong>Model box l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Box Model \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 kho\u1ea3ng c\u00e1ch m\u00e0 m\u1ed7i ph\u1ea7n t\u1eed tr\u00ean website \u0111\u01b0\u1ee3c s\u1edf h\u1eefu. Hay n\u00f3i c\u00e1ch kh\u00e1c l\u00e0 k\u1ef9 thu\u1eadt tinh ch\u1ec9nh kho\u1ea3ng c\u00e1ch hi\u1ec3n th\u1ecb cho m\u1ed7i ph\u1ea7n t\u1eed tr\u00ean website.<\/p>\n\n\n\n<p>K\u1ef9 thu\u1eadt Box Model trong CSS bao g\u1ed3m 4 ph\u1ea7n quan tr\u1ecdng \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Margin: Kho\u1ea3ng c\u00e1ch t\u00ednh t\u1eeb b\u00ean ngo\u00e0i c\u1ee7a ph\u1ea7n t\u1eed.<\/li>\n\n\n\n<li>Border: \u0110\u01b0\u1eddng vi\u1ec1n c\u1ee7a ph\u1ea7n t\u1eed.<\/li>\n\n\n\n<li>Padding: Kho\u1ea3ng c\u00e1ch t\u00ednh t\u1eeb b\u00ean trong c\u1ee7a ph\u1ea7n t\u1eed.<\/li>\n\n\n\n<li>Content: N\u1ed9i dung trong ph\u1ea7n t\u1eed.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_cau_hoi_khac-2\"><\/span><strong>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c c\u00e1ch vi\u1ebft CSS<\/li>\n\n\n\n<li>M\u1ed9t s\u1ed1 CSS Selector c\u01a1 b\u1ea3n<\/li>\n\n\n\n<li>Ph\u00e2n bi\u1ec7t display: none; v\u00e0 visibility: hidden;<\/li>\n\n\n\n<li>Ph\u00e2n bi\u1ec7t position: fixed; v\u00e0 position: sticky;<\/li>\n\n\n\n<li>Ph\u00e2n bi\u1ec7t ID v\u00e0 Class<\/li>\n\n\n\n<li>C\u00e1c c\u00e1ch c\u0103n gi\u1eefa m\u1ed9t ph\u1ea7n t\u1eed<\/li>\n<\/ul>\n\n\n\n<p>C\u00f3 th\u1ec3 b\u1ea1n quan t\u00e2m: <strong><a href=\"https:\/\/topviecit.vn\/blog\/ngon-ngu-may-tinh-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ng\u00f4n Ng\u1eef M\u00e1y T\u00ednh L\u00e0 G\u00ec? \u1ee8ng D\u1ee5ng Nh\u01b0 Th\u1ebf N\u00e0o?<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-5.jpg\" alt=\"T\u1ed5ng h\u1ee3p c\u00e1c c\u00e2u h\u1ecfi v\u1ec1 Javascript cho th\u1ef1c t\u1eadp Front End\" class=\"wp-image-4400\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-5.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-5-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-5-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>T\u1ed5ng h\u1ee3p c\u00e1c c\u00e2u h\u1ecfi v\u1ec1 Javascript cho th\u1ef1c t\u1eadp Front End<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"JavaScript\"><\/span><strong>JavaScript<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_thao_tac_voi_DOM_la_gi\"><\/span><strong>C\u00e1c thao t\u00e1c v\u1edbi DOM l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>getElementById(id): Tham chi\u1ebfu \u0111\u1ebfn 1 n\u00fat duy nh\u1ea5t c\u00f3 thu\u1ed9c t\u00ednh id gi\u1ed1ng v\u1edbi id c\u1ea7n t\u00ecm.<\/li>\n\n\n\n<li>getElementsByTagName(tagname): Tham chi\u1ebfu \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c n\u00fat c\u00f3 thu\u1ed9c t\u00ednh tagname gi\u1ed1ng v\u1edbi t\u00ean th\u1ebb c\u1ea7n t\u00ecm.<\/li>\n\n\n\n<li>getElementsByName(name): Tham chi\u1ebfu \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c n\u00fat c\u00f3 thu\u1ed9c t\u00ednh name c\u1ea7n t\u00ecm.<\/li>\n\n\n\n<li>getAttribute(attributeName): L\u1ea5y gi\u00e1 tr\u1ecb c\u1ee7a thu\u1ed9c t\u00ednh.<\/li>\n\n\n\n<li>setAttribute(attributeName, value): S\u1eeda gi\u00e1 tr\u1ecb c\u1ee7a thu\u1ed9c t\u00ednh.<\/li>\n\n\n\n<li>appendChild(node): Th\u00eam 1 n\u00fat con v\u00e0o n\u00fat hi\u1ec7n t\u1ea1i.<\/li>\n\n\n\n<li>removeChild(node): X\u00f3a 1 n\u00fat con kh\u1ecfi n\u00fat hi\u1ec7n t\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Phan_biet_Var_Let_Const\"><\/span><strong>Ph\u00e2n bi\u1ec7t Var, Let, Const<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Var: C\u00f3 th\u1ec3 khai b\u00e1o \u0111a d\u1ea1ng c\u00e1c ki\u1ec3u bi\u1ebfn nh\u01b0 number, string, boolean,&#8230; \u0110\u1eb7c bi\u1ec7t, bi\u1ebfn Var c\u00f2n c\u00f3 th\u00eam t\u00ednh ch\u1ea5t Hoisting. N\u00f3i c\u00e1ch kh\u00e1c, khi d\u00f9ng Var d\u00f9 b\u1ea1n khai b\u00e1o \u1edf \u0111\u00e2u th\u00ec khi code, variable v\u1eabn s\u1ebd xu\u1ea5t hi\u1ec7n \u1edf \u0111\u1ea7u scope.&nbsp;<\/li>\n\n\n\n<li>Let: Cho ph\u00e9p khai b\u00e1o c\u00e1c bi\u1ebfn c\u00f3 block scope (thay v\u00ec globally scoped hay locally scoped) v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0 TDZ (v\u00f9ng ch\u1ebft t\u1ea1m th\u1eddi).&nbsp; Cho ph\u00e9p c\u1eadp nh\u1eadt gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ebfn, kh\u00f4ng cho ph\u00e9p t\u00e1i khai b\u00e1o bi\u1ebfn \u0111\u00f3. Gi\u1ed1ng v\u1edbi Var, Let c\u0169ng c\u00f3 t\u00ednh hoisting nh\u01b0ng kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb kh\u1edfi t\u1ea1o.<\/li>\n\n\n\n<li>Const: Trong bi\u1ebfn const n\u1ebfu ki\u1ec3u c\u1ee7a bi\u1ebfn l\u00e0 primitive th\u00ec kh\u00f4ng th\u1ec3 t\u00e1i khai b\u00e1o hay c\u1eadp nh\u1eadt gi\u00e1 tr\u1ecb m\u1edbi. Tr\u01b0\u1eddng h\u1ee3p ki\u1ec3u bi\u1ebfn l\u00e0 reference th\u00ec v\u1eabn c\u00f3 th\u1ec3 c\u1eadp nh\u1eadt gi\u00e1 tr\u1ecb cho thu\u1ed9c t\u00ednh c\u1ee7a bi\u1ebfn \u0111\u00f3.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Truthy_Falsy_la_gi\"><\/span><strong>Truthy, Falsy l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u0110\u00e2y l\u00e0 nh\u1eefng gi\u00e1 tr\u1ecb khi \u00e9p v\u1ec1 ki\u1ec3u boolean th\u00ec cho ra gi\u00e1 tr\u1ecb b\u1eb1ng true ho\u1eb7c false.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5 cho nh\u1eefng gi\u00e1 tr\u1ecb Falsy g\u1ed3m: 0, &#8220;&#8221; , null, undefined, NaN, false. Nh\u1eefng gi\u00e1 tr\u1ecb Truthy g\u1ed3m: C\u00e1c chu\u1ed7i kh\u00e1c r\u1ed7ng, c\u00e1c s\u1ed1 kh\u00e1c 0 v\u00e0 t\u1ea5t c\u1ea3 object kh\u00e1c.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hoisting_la_gi_Vai_tro\"><\/span><strong>Hoisting l\u00e0 g\u00ec? Vai tr\u00f2?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Hoisting l\u00e0 h\u00e0nh \u0111\u1ed9ng m\u1eb7c \u0111\u1ecbnh c\u1ee7a Javascript. N\u00f3 s\u1ebd di chuy\u1ec3n t\u1ea5t c\u1ea3 c\u00e1c bi\u1ebfn v\u00e0 h\u00e0m khi khai b\u00e1o l\u00ean \u0111\u1ea7u scope tr\u01b0\u1edbc khi ch\u00fang \u0111\u01b0\u1ee3c th\u1ef1c thi.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_cau_hoi_khac-3\"><\/span><strong>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>X\u1eed l\u00fd b\u1ea5t \u0111\u1ed3ng b\u1ed9 ( promise, callback, async await )<\/li>\n\n\n\n<li>Ph\u00e2n bi\u1ec7t cookies, session storage, v\u00e0 local storage?<\/li>\n\n\n\n<li>Ph\u00e2n bi\u1ec7t c\u00e1c h\u00e0m c\u01a1 b\u1ea3n trong JS (map, reduce, filter)<\/li>\n<\/ul>\n\n\n\n<p>Xem th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/callback-function-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Callback Function L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 H\u00e0m Callback Trong Javascript<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-6.jpg\" alt=\"Nh\u1eefng c\u00e2u h\u1ecfi v\u1ec1 ReactJS \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng, gi\u00fap nh\u00e0 tuy\u1ec3n d\u1ee5ng ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c\" class=\"wp-image-4401\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-6.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-6-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-6-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Nh\u1eefng c\u00e2u h\u1ecfi v\u1ec1 ReactJS \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng, gi\u00fap nh\u00e0 tuy\u1ec3n d\u1ee5ng ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c<\/em><\/figcaption><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ReactJS\"><\/span><strong>ReactJS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"JSX_la_gi_Su_dung_trong_truong_hop_nao\"><\/span><strong>JSX l\u00e0 g\u00ec? S\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>JSX = Javascript + XML. JSX gi\u00fap transform c\u00fa ph\u00e1p d\u1ea1ng g\u1ea7n nh\u01b0 XML v\u1ec1 th\u00e0nh Javascript. B\u1eb1ng c\u00e1ch n\u00e0y, l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 code ReactJS b\u1eb1ng c\u00fa ph\u00e1p c\u1ee7a XML m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng Javascript. C\u00e1c XML elements, attributes v\u00e0 children s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00e1c \u0111\u1ed1i s\u1ed1 truy\u1ec1n v\u00e0o React.createElement.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DOM_ao_la_gi_Vai_tro\"><\/span><strong>DOM \u1ea3o l\u00e0 g\u00ec? Vai tr\u00f2?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>DOM \u1ea3o l\u00e0 m\u1ed9t d\u1ea1ng \u0111\u1ea1i di\u1ec7n n\u1eb1m trong b\u1ed9 nh\u1edb c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh giao di\u1ec7n cho ch\u01b0\u01a1ng tr\u00ecnh (Component). DOM \u1ea3o th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh \u201cdiffing\u201d trong khi component \u0111\u01b0\u1ee3c th\u00f4ng d\u1ecbch l\u1ea1i. T\u1ee9c l\u00e0 n\u00f3 ghi nh\u1edb v\u00e0 cho ra danh s\u00e1ch nh\u1eefng thay \u0111\u1ed5i s\u1ebd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt c\u1ee7a bi\u00ean b\u1ea3n m\u1edbi so v\u1edbi phi\u00ean b\u1ea3n DOM th\u1eadt c\u0169.<\/p>\n\n\n\n<p>Nh\u1edd \u0111i\u1ec1u n\u00e0y m\u00e0 React tr\u1edf n\u00ean c\u00f3 hi\u1ec7u su\u1ea5t cao. N\u00f3 gi\u00fap t\u0103ng hi\u1ec7u n\u0103ng b\u1edfi kh\u00f4ng ph\u1ea3i re-render l\u1ea1i c\u1ea3 m\u1ed9t giao di\u1ec7n l\u1edbn. Ch\u1ec9 c\u1ea7n t\u1eadp trung v\u00e0o nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u00e0 th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft v\u1edbi DOM th\u1eadt.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SSR_va_CSR_la_gi_So_sanh_SSR_va_CSR\"><\/span><strong>SSR v\u00e0 CSR l\u00e0 g\u00ec? So s\u00e1nh SSR v\u00e0 CSR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SSR &#8211; Server Side Rendering: L\u00e0 th\u1ef1c hi\u1ec7n vi\u1ec7c render \u1edf ph\u00eda server. Ngh\u0129a l\u00e0 khi kh\u00e1ch h\u00e0ng truy c\u1eadp v\u00e0o website, y\u00eau c\u1ea7u s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng g\u1eedi l\u00ean server. Nhi\u1ec7m v\u1ee5 c\u1ee7a server l\u00e0 tr\u1ea3 v\u1ec1 to\u00e0n b\u1ed9 m\u00e3 HTML v\u00e0 CSS. Gi\u00fap tr\u00ecnh duy\u1ec7t hi\u1ec3n th\u1ecb trang web cho ng\u01b0\u1eddi d\u00f9ng xem.<\/li>\n\n\n\n<li>CSR &#8211; Client Side Rendering: L\u00e0 th\u1ef1c hi\u1ec7n vi\u1ec7c render \u1edf ph\u00eda client. V\u1edbi c\u00f9ng m\u1ed9t thao t\u00e1c kh\u00e1ch h\u00e0ng truy c\u1eadp v\u00e0o website, c\u00e1c y\u00eau c\u1ea7u s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi l\u00ean server. L\u00fac n\u00e0y server kh\u00f4ng tr\u1ea3 v\u1ec1 m\u00e3 HTML hay&nbsp; CSS m\u00e0 l\u00e0 1 th\u1ebb div r\u1ed7ng v\u00e0 m\u1ed9t s\u1ed1 file javascript. Nh\u1eefng file javascript \u0111\u00f3 gi\u00fap tr\u00ecnh duy\u1ec7t ch\u1ea1y v\u00e0 hi\u1ec3n th\u1ecb giao di\u1ec7n ph\u00eda ng\u01b0\u1eddi d\u00f9ng.<\/li>\n\n\n\n<li>SSR gi\u00fap t\u0103ng hi\u1ec7u qu\u1ea3 SEO t\u1ed1t h\u01a1n so v\u1edbi CSR<\/li>\n\n\n\n<li>M\u1ed9t s\u1ed1 th\u01b0 vi\u1ec7n CSR: ReactJS, VueJS<\/li>\n\n\n\n<li>M\u1ed9t s\u1ed1 th\u01b0 vi\u1ec7n SSR: NextJS, NuxtJS&nbsp;<\/li>\n<\/ul>\n\n\n\n<p>T\u00ecm hi\u1ec3u th\u00eam: <strong><a href=\"https:\/\/topviecit.vn\/blog\/sre-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">SRE L\u00e0 G\u00ec? SRE L\u00e0m G\u00ec? Kh\u00e1c Bi\u1ec7t Gi\u1eefa SRE V\u00e0 DevOps<\/a><\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Class_components_va_Functional_components_khac_nhau_nhu_the_nao\"><\/span><strong>Class components v\u00e0 Functional components kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Functional component khai b\u00e1o b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng pure function. N\u00f3 l\u00e0 m\u1ed9t function c\u1ee7a Javascript ho\u1eb7c ES6. Khi s\u1eed d\u1ee5ng s\u1ebd tr\u1ea3 v\u1ec1 1 React element v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng props l\u00e0m tham s\u1ed1.<\/li>\n\n\n\n<li>Class components l\u00e0 class ES6 ho\u1eb7c component n\u1ebfu ti\u1ebfp n\u1ed1i React component. C\u00f3 th\u1ec3 kh\u1edfi t\u1ea1o v\u1edbi lifecycle tr\u1ecdn v\u1eb9n v\u00e0 ph\u1ea3i c\u00f3 1 method render(), n\u00f3 s\u1ebd tr\u1ea3 v\u1ec1 1 React element (JSX) ho\u1eb7c null.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_cau_hoi_khac-4\"><\/span><strong>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lifecycle c\u1ee7a ReactJS<\/li>\n\n\n\n<li>Hook trong ReactJS?<\/li>\n\n\n\n<li>Custom hook trong ReactJS?<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u00ecm hi\u1ec3u th\u00eam:<\/strong> <a href=\"https:\/\/topviecit.vn\/blog\/cau-hoi-phong-van-front-end-reactjs\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n Front-End ReactJS V\u00e0 H\u01b0\u1edbng D\u1eabn Tr\u1ea3 L\u1eddi<\/strong><\/a><strong>&nbsp;<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-7.jpg\" alt=\"Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp front end gi\u00fap b\u1ea1n t\u1ef1 tin v\u00e0 gia t\u0103ng c\u01a1 h\u1ed9i tr\u00fang tuy\u1ec3n\" class=\"wp-image-4402\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-7.jpg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-7-640x400.jpg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2023\/02\/thuc-tap-front-end-topcv-7-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp front end gi\u00fap b\u1ea1n t\u1ef1 tin v\u00e0 gia t\u0103ng c\u01a1 h\u1ed9i tr\u00fang tuy\u1ec3n<\/em><\/figcaption><\/figure><\/div>\n\n\n<p>Hy v\u1ecdng, qua nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n <strong>th\u1ef1c t\u1eadp Front End<\/strong> ph\u1ed5 bi\u1ebfn m\u00e0 b\u00e0i vi\u1ebft cung c\u1ea5p, b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 t\u1ef1 tin tham gia ph\u1ecfng v\u1ea5n. B\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp th\u00eam v\u00e0o chuy\u00ean m\u1ee5c <strong><a href=\"https:\/\/topviecit.vn\/blog\/chuyen-muc\/chia-se-kinh-nghiem\/\" target=\"_blank\" rel=\"noreferrer noopener\">chia s\u1ebb kinh nghi\u1ec7m<\/a><\/strong> v\u00e0 <strong><a href=\"https:\/\/topviecit.vn\/blog\/chuyen-muc\/meo-tim-viec\/\" target=\"_blank\" rel=\"noreferrer noopener\">m\u1eb9o t\u00ecm vi\u1ec7c<\/a><\/strong> c\u1ee7a TopviecIT, n\u01a1i cung c\u1ea5p nhi\u1ec1u th\u00f4ng tin h\u1eefu \u00edch v\u1ec1 c\u00f4ng vi\u1ec7c trong ng\u00e0nh IT. V\u00e0 \u0111\u1ec3 d\u1ec5 d\u00e0ng <strong><a href=\"https:\/\/www.topcv.vn\/tim-viec-lam-lap-trinh-front-end\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">t\u00ecm vi\u1ec7c l\u00e0m l\u1eadp tr\u00ecnh Front End<\/mark><\/a><\/strong>, \u0111\u1eebng qu\u00ean truy c\u1eadp <a href=\"https:\/\/www.topcv.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">TopCV<\/mark><\/strong><\/a> ngay h\u00f4m nay, chuy\u00ean trang tuy\u1ec3n d\u1ee5ng v\u1edbi h\u00e0ng ng\u00e0n c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m h\u1ea5p d\u1eabn nh\u1ea5t<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 v\u01b0\u1ee3t qua nh\u1eefng c\u00e2u h\u1ecfi c\u1ee7a nh\u00e0 tuy\u1ec3n d\u1ee5ng trong v\u00f2ng ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End? Nh\u00e0 tuy\u1ec3n d\u1ee5ng k\u1ef3 v\u1ecdng \u0111i\u1ec1u g\u00ec v\u00e0 n\u00ean tr\u1ea3 l\u1eddi ra sao \u0111\u1ec3 ghi \u0111i\u1ec3m? TopviecIT s\u1ebd chia s\u1ebb v\u1edbi b\u1ea1n ngay sau \u0111\u00e2y! Y\u00eau c\u1ea7u c\u1ee7a nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u1ed1i v\u1edbi th\u1ef1c [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4360,"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":[86,85],"tags":[1143,1142,1138,1141,1140,1139],"class_list":["post-4359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","category-meo-tim-viec","tag-cau-hoi-phong-van-thuc-tap-front-end","tag-intern-front-end","tag-thuc-tap-front-end","tag-thuc-tap-front-end-ha-noi","tag-thuc-tap-front-end-hcm","tag-thuc-tap-sinh-front-end"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tr\u1ecdn b\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/title>\n<meta name=\"description\" content=\"B\u1ea1n \u0111ang chu\u1ea9n b\u1ecb cho bu\u1ed5i ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End? H\u00e3y \u0111\u1ecdc ngay b\u00e0i vi\u1ebft \u0111\u1ec3 bi\u1ebft nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u1ea3 l\u1eddi ph\u00f9 h\u1ee3p\" \/>\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\/cau-hoi-phong-van-thuc-tap-front-end\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tr\u1ecdn b\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End ph\u1ed5 bi\u1ebfn nh\u1ea5t\" \/>\n<meta property=\"og:description\" content=\"B\u1ea1n \u0111ang chu\u1ea9n b\u1ecb cho bu\u1ed5i ph\u1ecfng v\u1ea5n th\u1ef1c t\u1eadp Front End? 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