{"id":80865,"date":"2024-11-01T16:22:52","date_gmt":"2024-11-01T09:22:52","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=80865"},"modified":"2025-01-23T13:44:16","modified_gmt":"2025-01-23T06:44:16","slug":"lo-trinh-hoc-front-end","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/lo-trinh-hoc-front-end\/","title":{"rendered":"L\u1ed9 tr\u00ecnh h\u1ecdc Front End to\u00e0n di\u1ec7n A-Z ch\u1ec9 trong v\u00f2ng 10-12 th\u00e1ng"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 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\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/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:\/\/itviec.com\/blog\/lo-trinh-hoc-front-end\/#Lap_trinh_Frontend_la_gi\" >L\u1eadp tr\u00ecnh Frontend l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-front-end\/#Lo_trinh_hoc_Front_End_chi_tiet_chi_trong_10_%E2%80%93_12_thang\" >L\u1ed9 tr\u00ecnh h\u1ecdc Front End chi ti\u1ebft ch\u1ec9 trong 10 &#8211; 12 th\u00e1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-front-end\/#Cac_thuc_hanh_best_practice_lap_trinh_Frontend\" >C\u00e1c th\u1ef1c h\u00e0nh (best practice) l\u1eadp tr\u00ecnh Frontend<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-front-end\/#Cac_cau_hoi_thuong_gap_ve_lo_trinh_hoc_Front_End\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Front End<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-front-end\/#Tong_ket_Lo_trinh_hoc_Front_End\" >T\u1ed5ng k\u1ebft L\u1ed9 tr\u00ecnh h\u1ecdc Front End<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>B\u00e0i vi\u1ebft cung c\u1ea5p l\u1ed9 tr\u00ecnh h\u1ecdc Front End chi ti\u1ebft, \u0111\u1ed3ng th\u1eddi g\u1ee3i m\u1edf nh\u1eefng b\u00e0i th\u1ef1c h\u00e0nh n\u00e2ng cao k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh, gi\u00fap b\u1ea1n tr\u1edf th\u00e0nh Frontend Developer \u201cth\u00e0nh th\u1ea1o\u201d t\u1eeb con s\u1ed1 0 ch\u1ec9 trong v\u00f2ng 10 &#8211; 12 th\u00e1ng.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh Frontend l\u00e0 g\u00ec?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ed9 tr\u00ecnh h\u1ecdc Front End chi ti\u1ebft trong 10 &#8211; 12 th\u00e1ng<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c b\u00e0i t\u1eadp n\u00e2ng cao k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh hay nh\u1ea5t<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Front End<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Lap_trinh_Frontend_la_gi\"><\/span><b>L\u1eadp tr\u00ecnh Frontend l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Frontend l\u00e0 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (UI) c\u1ee7a m\u1ed9t trang web ho\u1eb7c \u1ee9ng d\u1ee5ng. \u0110\u00f3 l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n nh\u00ecn th\u1ea5y v\u00e0 t\u01b0\u01a1ng t\u00e1c tr\u1ef1c ti\u1ebfp nh\u01b0 v\u0103n b\u1ea3n, n\u00fat b\u1ea5m, h\u00ecnh \u1ea3nh, m\u00e0u s\u1eafc, menu. C\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a l\u1eadp tr\u00ecnh vi\u00ean Frontend ch\u00ednh l\u00e0 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00e0nh m\u1ed9t giao di\u1ec7n \u0111\u1ed3 h\u1ecda th\u00e2n thi\u1ec7n, tr\u1ef1c quan, d\u1ec5 d\u00e0ng xem v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi th\u00f4ng tin, \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng (UX).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ea1o ra c\u00e1c giao di\u1ec7n n\u00e0y, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean Frontend ph\u1ea3i c\u00f3 ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 n\u0103ng s\u1eed d\u1ee5ng nhi\u1ec1u c\u00f4ng ngh\u1ec7, c\u00f4ng c\u1ee5 v\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nhau. Trong \u0111\u00f3, ba c\u00f4ng ngh\u1ec7 c\u01a1 b\u1ea3n nh\u1ea5t m\u00e0 b\u1ea1n c\u1ea7n ph\u1ea3i n\u1eafm v\u1eefng l\u00e0 <strong>HTML<\/strong>, <strong>CSS<\/strong> v\u00e0 <strong>JavaScript<\/strong>.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Lo_trinh_hoc_Front_End_chi_tiet_chi_trong_10_%E2%80%93_12_thang\"><\/span><b>L\u1ed9 tr\u00ecnh h\u1ecdc Front End chi ti\u1ebft ch\u1ec9 trong 10 &#8211; 12 th\u00e1ng<\/b><i><\/i><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>3 th\u00e1ng \u0111\u1ea7u ti\u00ean: N\u1eafm v\u1eefng nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n<\/b><\/h3>\n<h4><b>Network: HTTP, DNS, Hosting, Browser,&#8230;<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1ch m\u1ed9t trang web ho\u1ea1t \u0111\u1ed9ng t\u1eeb khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp \u0111\u1ecba ch\u1ec9 URL \u0111\u1ebfn khi n\u1ed9i dung \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u0111\u1ea7y \u0111\u1ee7, ho\u00e0n thi\u1ec7n tr\u00ean m\u00e0n h\u00ecnh s\u1ebd gi\u00fap b\u1ea1n x\u1eed l\u00fd l\u1ed7i hi\u1ec7u qu\u1ea3, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t website v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c c\u1ee7a trang web. C\u00f3 4 m\u1ee5c quan tr\u1ecdng khi b\u1ea1n t\u00ecm hi\u1ec3u v\u1ec1 network g\u1ed3m: HTTP, DNS, Hosting, Browser.<\/span><\/p>\n<p><b>&#8211; HTTP (HyperText Transfer Protocol)<\/b><span style=\"font-weight: 400;\"> l\u00e0 giao th\u1ee9c truy\u1ec1n th\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u tr\u00ean World Wide Web, cho ph\u00e9p tr\u00ecnh duy\u1ec7t web g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 v\u00e0 nh\u1eadn d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7. C\u00e1c ph\u01b0\u01a1ng th\u1ee9c HTTP ph\u1ed5 bi\u1ebfn g\u1ed3m: GET, POST, PUT, DELETE,..<\/span><\/p>\n<p><b>&#8211; DNS (Domain Name System)<\/b><span style=\"font-weight: 400;\"> l\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n, gi\u00fap chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c. DNS gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng truy c\u1eadp v\u00e0o c\u00e1c trang web b\u1eb1ng c\u00e1ch nh\u1edb t\u00ean mi\u1ec1n thay v\u00ec \u0111\u1ecba ch\u1ec9 IP.<\/span><\/p>\n<p><b>&#8211; Hosting<\/b><span style=\"font-weight: 400;\"> l\u00e0 d\u1ecbch v\u1ee5 cho thu\u00ea kh\u00f4ng gian l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 \u0111\u1ec3 l\u01b0u tr\u1eef website, \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n tr\u00ean internet, gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c. C\u00e1c lo\u1ea1i hosting nh\u01b0 Shared hosting, VPS, Dedicated server, &#8230;\u00a0<\/span><\/p>\n<p><b>&#8211; Browser<\/b><span style=\"font-weight: 400;\"> l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb n\u1ed9i dung tr\u00ean internet.<\/span> <span style=\"font-weight: 400;\">C\u00e1c tr\u00ecnh duy\u1ec7t ph\u1ed5 bi\u1ebfn: Chrome, Firefox, Safari, Edge,&#8230;\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><b>API<\/b><span style=\"font-weight: 400;\"> l\u00e0 m\u1ed9t giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng (Application Programming Interface) cho ph\u00e9p c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau giao ti\u1ebfp v\u00e0 trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u1edbi nhau. T\u00ecm hi\u1ec3u v\u1ec1 JSON<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><b>B\u1ea3o m\u1eadt web c\u01a1 b\u1ea3n: <\/b><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 trang web kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 XSS, CSRF, SQL injection. M\u00e3 h\u00f3a d\u1eef li\u1ec7u, x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, ki\u1ec3m tra \u0111\u1ea7u v\u00e0o, c\u1eadp nh\u1eadt c\u00e1c th\u01b0 vi\u1ec7n v\u00e0 framework, s\u1eed d\u1ee5ng HTTPS.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; <\/span><b>Responsive design v\u00e0 mobile-first approach<\/b><span style=\"font-weight: 400;\"> l\u00e0 thi\u1ebft k\u1ebf trang web \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh giao di\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau. Mobile-first approach l\u00e0 \u01b0u ti\u00ean thi\u1ebft k\u1ebf cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng tr\u01b0\u1edbc, sau \u0111\u00f3 m\u1edbi m\u1edf r\u1ed9ng ra c\u00e1c m\u00e0n h\u00ecnh l\u1edbn h\u01a1n v\u00ec n\u00f3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a thi\u1ebft b\u1ecb di \u0111\u1ed9ng, c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<h4><b>Ng\u00f4n ng\u1eef Front End n\u1ec1n t\u1ea3ng: HTML, CSS, JavaScript<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">HTML, CSS v\u00e0 JavaScript l\u00e0 3 ng\u00f4n ng\u1eef Frontend n\u1ec1n t\u1ea3ng m\u00e0 l\u1eadp tr\u00ecnh vi\u00ean Frontend \u1edf b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o c\u0169ng c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c. M\u1ed9t trang web hi\u1ec7n \u0111\u1ea1i y\u00eau c\u1ea7u s\u1ef1 k\u1ebft h\u1ee3p nhu\u1ea7n nhuy\u1ec5n c\u1ea3 ba ng\u00f4n ng\u1eef n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch v\u00e0 mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m t\u1ed1t nh\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3 ng\u00f4n ng\u1eef Frontend n\u1ec1n t\u1ea3ng n\u00e0y k\u1ebft h\u1ee3p v\u1edbi nhau theo nguy\u00ean t\u1eafc:<\/span><\/p>\n<ul>\n<li><b>HTML<\/b><span style=\"font-weight: 400;\"> cung c\u1ea5p n\u1ed9i dung<\/span><\/li>\n<li><b>CSS<\/b><span style=\"font-weight: 400;\"> l\u00e0m \u0111\u1eb9p n\u1ed9i dung \u0111\u00f3<\/span><\/li>\n<li><b>JavaScript<\/b><span style=\"font-weight: 400;\"> mang l\u1ea1i kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng m\u1ed9t trang web, \u0111\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n d\u00f9ng HTML \u0111\u1ec3 t\u1ea1o b\u1ed1 c\u1ee5c v\u00e0 n\u1ed9i dung ch\u00ednh. Sau \u0111\u00f3, b\u1ea1n s\u1eed d\u1ee5ng CSS \u0111\u1ec3 \u0111\u1ecbnh d\u1ea1ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh b\u1ed1 c\u1ee5c sao cho th\u1ea9m m\u1ef9. Cu\u1ed1i c\u00f9ng, c\u00e1c thao t\u00e1c v\u1edbi JavaScript s\u1ebd gi\u00fap b\u1ea1n th\u00eam ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u00e1c, c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u00ecnh \u1ea3nh d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u h\u01a1n v\u1ec1 m\u1ed1i li\u00ean h\u1ec7 c\u1ee7a 3 ng\u00f4n ng\u1eef n\u00e0y trong l\u1eadp tr\u00ecnh frontend:<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>T\u1eeb th\u00e1ng th\u1ee9 4 \u0111\u1ebfn th\u00e1ng th\u1ee9 8: \u0110\u00e0o s\u00e2u h\u01a1n v\u1ec1 HTML CSS v\u00e0 JavaScript<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Nh\u01b0 \u0111\u00e3 th\u00f4ng tin b\u00ean tr\u00ean, m\u1ed9t trang web mu\u1ed1n \u0111\u1eb9p v\u00e0 thu h\u00fat h\u01a1n kh\u00f4ng th\u1ec3 n\u00e0o thi\u1ebfu s\u1ef1 g\u00f3p m\u1eb7t c\u1ee7a HTML, CSS v\u00e0 JavaScript. C\u1ee5 th\u1ec3, b\u1ea1n c\u00f3 th\u1ec3 h\u1ecdc theo l\u1ed9 tr\u00ecnh sau:<\/span><\/p>\n<h4><strong>L\u1ed9 tr\u00ecnh h\u1ecdc HTML<\/strong><\/h4>\n<p>HTML \u0111\u00f3ng vai tr\u00f2 l\u00e0 ng\u00f4n ng\u1eef n\u1ec1n t\u1ea3ng cho ph\u00e1t tri\u1ec3n web, cho ph\u00e9p Front End Developer t\u1ea1o v\u00e0 c\u1ea5u tr\u00fac n\u1ed9i dung tr\u00ean trang web v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>\n<p>HTML c\u00f3 hai lo\u1ea1i th\u1ebb ch\u00ednh l\u00e0 Block-level Tag v\u00e0 Inline Tag. C\u1ee5 th\u1ec3, m\u1ed9t s\u1ed1 th\u1ebb HTML th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m<\/p>\n<ul>\n<li>Th\u1ebb Heading<\/li>\n<li>Th\u1ebb List<\/li>\n<li>Th\u1ebb Link<\/li>\n<li>Th\u1ebb Paragraph<\/li>\n<li>Th\u1ebb Break<\/li>\n<\/ul>\n<p>Vi\u1ec7c n\u1eafm v\u1eefng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ki\u1ebfn th\u1ee9c v\u1ec1 HTML kh\u00f4ng kh\u00f3, b\u1ea1n ch\u1ec9 c\u1ea7n t\u00ecm hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 qua c\u00e1c ch\u1ee7 \u0111\u1ec1 sau \u0111\u00e2y:<\/p>\n<ul>\n<li><a href=\"https:\/\/itviec.com\/blog\/html-la-gi\/\" target=\"_blank\" rel=\"noopener\">Gi\u1ea3i \u0111\u00e1p \u201ct\u1ea5t t\u1ea7n t\u1eadt\u201d nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 HTML<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/cac-the-trong-html\/\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng h\u1ee3p 70+ c\u00e1c th\u1ebb trong HTML th\u00f4ng d\u1ee5ng<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/table-html\/\" target=\"_blank\" rel=\"noopener\">Table HTML: H\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ea1o b\u1ea3ng trong HTML chi ti\u1ebft t\u1eeb A \u2013 Z<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/bang-mau-html\/\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng h\u1ee3p chi ti\u1ebft v\u00e0 \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t v\u1ec1 B\u1ea3ng m\u00e0u HTML<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/font-html\/\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng h\u1ee3p 10+ font HTML ph\u1ed5 bi\u1ebfn cho trang web hi\u1ec7n nay<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/login-form-html\/\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ea1o login form HTML \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 th\u1ef1c hi\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/ki-tu-dac-biet-html\/\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng h\u1ee3p 70+ k\u00ed t\u1ef1 \u0111\u1eb7c bi\u1ec7t HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/chen-anh-trong-html\/\" target=\"_blank\" rel=\"noopener\">Ch\u00e8n \u1ea3nh trong HTML: T\u1ed5ng h\u1ee3p chi ti\u1ebft c\u00e1c c\u00e1ch s\u1eed d\u1ee5ng<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/chen-nhac-bang-the-audio-trong-html\/\" target=\"_blank\" rel=\"noopener\">Th\u1ebb audio trong HTML: H\u01b0\u1edbng d\u1eabn 6 c\u00e1ch ch\u00e8n nh\u1ea1c trong HTML<\/a><\/li>\n<\/ul>\n<p>Sau khi \u0111\u00e3 t\u00ecm hi\u1ec3u qua v\u1ec1 c\u00e1c ch\u1ee7 \u0111\u1ec1, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c tham kh\u1ea3o c\u00e1c t\u00e0i li\u1ec7u h\u1ecdc t\u1eadp v\u00e0 b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh HTML \u0111\u00e3 \u0111\u01b0\u1ee3c ITviec t\u1ed5ng h\u1ee3p:<\/p>\n<ul>\n<li><a href=\"https:\/\/itviec.com\/blog\/bai-tap-html\/\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng h\u1ee3p 12+ b\u00e0i t\u1eadp HTML &amp; CSS c\u01a1 b\u1ea3n cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/tao-website-bang-html-co-ban\/\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn t\u1ea1o website b\u1eb1ng HTML c\u01a1 b\u1ea3n cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/hoc-html\/\" target=\"_blank\" rel=\"noopener\">H\u1ecdc HTML: T\u1ed5ng h\u1ee3p 20+ t\u00e0i li\u1ec7u h\u1ecdc HTML c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/a><\/li>\n<\/ul>\n<h4><strong>L\u1ed9 tr\u00ecnh h\u1ecdc CSS<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">H\u1ecdc CSS kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n t\u1ea1o ra c\u00e1c trang web \u0111\u1eb9p m\u1eaft v\u00e0 chuy\u00ean nghi\u1ec7p m\u00e0 c\u00f2n m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i ngh\u1ec1 nghi\u1ec7p h\u1ea5p d\u1eabn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">CSS c\u00f3 r\u1ea5t nhi\u1ec1u thu\u1ed9c t\u00ednh. Tr\u01b0\u1edbc ti\u00ean, h\u00e3y b\u1eaft \u0111\u1ea7u hi\u1ec3u v\u1ec1 c\u00e1c thu\u1ed9c t\u00ednh n\u00e0y qua c\u00e1c b\u00e0i vi\u1ebft sau:<\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/itviec.com\/blog\/flex-css\/\" target=\"_blank\" rel=\"noopener\">Flex CSS l\u00e0 g\u00ec? Gi\u1ea3i \u0111\u00e1p chi ti\u1ebft 13 thu\u1ed9c t\u00ednh trong Flexbox CSS<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/grid-css\/\" target=\"_blank\" rel=\"noopener\">Grid CSS: C\u1ea9m nang s\u1eed d\u1ee5ng Grid CSS c\u01a1 b\u1ea3n<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/display-css\/\" target=\"_blank\" rel=\"noopener\">Display CSS l\u00e0 g\u00ec? Chi ti\u1ebft 9 c\u00e1ch s\u1eed d\u1ee5ng thu\u1ed9c t\u00ednh display CSS<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/overflow-css-la-gi\/\" target=\"_blank\" rel=\"noopener\">Overflow CSS l\u00e0 g\u00ec? C\u00e1ch \u1ee9ng d\u1ee5ng thu\u1ed9c t\u00ednh Overflow<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/position-css\/\" target=\"_blank\" rel=\"noopener\">Position CSS l\u00e0 g\u00ec? Hi\u1ec3u r\u00f5 5 gi\u00e1 tr\u1ecb c\u1ee7a thu\u1ed9c t\u00ednh Position CSS<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/background-css\/\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch d\u00f9ng 8 thu\u1ed9c t\u00ednh background CSS<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/transform-css-la-gi\/\" target=\"_blank\" rel=\"noopener\">Transform CSS: Chi ti\u1ebft c\u00e1ch chuy\u1ec3n \u0111\u1ed5i ph\u1ea7n t\u1eed 2D v\u00e0 3D<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/border-css\/\" target=\"_blank\" rel=\"noopener\">Border CSS: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft 9 c\u00e1ch s\u1eed d\u1ee5ng border CSS<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/box-shadow-css\/\" target=\"_blank\" rel=\"noopener\">Box shadow CSS l\u00e0 g\u00ec? 7 c\u00e1ch d\u00f9ng box shadow CSS c\u01a1 b\u1ea3n<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/hover-css\/\" target=\"_blank\" rel=\"noopener\">Hover CSS: Chi ti\u1ebft c\u00e1ch t\u1ea1o Hover CSS v\u00e0 c\u00e1c v\u00ed d\u1ee5 c\u1ee5 th\u1ec3<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/animation-css\/\" target=\"_blank\" rel=\"noopener\">Animation CSS: T\u1ed5ng h\u1ee3p 11 hi\u1ec7u \u1ee9ng Animation CSS ph\u1ed5 bi\u1ebfn<\/a><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Sau khi \u0111\u00e3 hi\u1ec3u r\u00f5 v\u1ec1 t\u1eebng thu\u1ed9c t\u00ednh, h\u00e3y b\u1eaft \u0111\u1ea7u t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c framework CSS. Framework CSS l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c quy t\u1eafc CSS \u0111\u01b0\u1ee3c vi\u1ebft s\u1eb5n, cung c\u1ea5p m\u1ed9t c\u1ea5u tr\u00fac n\u1ec1n t\u1ea3ng \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n web nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.V<\/span><\/p>\n<p>V\u1edbi CSS framework, thay v\u00ec ph\u1ea3i vi\u1ebft l\u1ea1i to\u00e0n b\u1ed9 c\u00e1c quy t\u1eafc CSS t\u1eeb \u0111\u1ea7u cho t\u1eebng d\u1ef1 \u00e1n, b\u1ea1n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng c\u00e1c framework n\u00e0y \u0111\u1ec3 t\u1ea1o ra c\u00e1c giao di\u1ec7n \u0111\u1eb9p m\u1eaft, nh\u1ea5t qu\u00e1n v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian. Sau \u0111\u00e2y l\u00e0 g\u1ee3i \u00fd c\u00e1c framework CSS ph\u1ed5 bi\u1ebfn:<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bootstrap:<\/b><span style=\"font-weight: 400;\"> Framework ph\u1ed5 bi\u1ebfn nh\u1ea5t, cung c\u1ea5p m\u1ed9t h\u1ec7 th\u1ed1ng l\u01b0\u1edbi m\u1ea1nh m\u1ebd, c\u00e1c th\u00e0nh ph\u1ea7n UI s\u1eb5n s\u00e0ng v\u00e0 c\u00e1c ti\u1ec7n \u00edch CSS.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/itviec.com\/blog\/tailwind-css\/\" target=\"_blank\" rel=\"noopener\">Tailwind CSS<\/a>:<\/b><span style=\"font-weight: 400;\"> Framework CSS utility-first, cho ph\u00e9p b\u1ea1n t\u1ea1o ra c\u00e1c giao di\u1ec7n t\u00f9y ch\u1ec9nh cao b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c class utility nh\u1ecf.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pure CSS:<\/b><span style=\"font-weight: 400;\"> Framework nh\u1eb9 v\u00e0 \u0111\u01a1n gi\u1ea3n, t\u1eadp trung v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Foundation:<\/b><span style=\"font-weight: 400;\"> Framework m\u1ea1nh m\u1ebd v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng v\u00e0 t\u00f9y ch\u1ecdn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Materialize CSS:<\/b><span style=\"font-weight: 400;\"> Framework d\u1ef1a tr\u00ean Material Design c\u1ee7a Google, cung c\u1ea5p giao di\u1ec7n hi\u1ec7n \u0111\u1ea1i v\u00e0 \u0111\u1eb9p m\u1eaft.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u1ea3ng so s\u00e1nh c\u00e1c CSS frameworks:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Framework<\/b><\/td>\n<td><b>\u01afu \u0111i\u1ec3m<\/b><\/td>\n<td><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b><\/td>\n<td><b>Ph\u00f9 h\u1ee3p v\u1edbi<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Bootstrap<\/b><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 s\u1eed d\u1ee5ng, nhi\u1ec1u th\u00e0nh ph\u1ea7n, c\u1ed9ng \u0111\u1ed3ng l\u1edbn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c giao di\u1ec7n kh\u00e1 gi\u1ed1ng nhau<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n c\u1ea7n giao di\u1ec7n nhanh v\u00e0 d\u1ec5 l\u00e0m<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Tailwind CSS<\/b><\/td>\n<td><span style=\"font-weight: 400;\">T\u00f9y ch\u1ec9nh cao, hi\u1ec7u su\u1ea5t t\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n vi\u1ebft nhi\u1ec1u code h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n c\u1ea7n giao di\u1ec7n \u0111\u1ed9c \u0111\u00e1o v\u00e0 hi\u1ec7u n\u0103ng cao<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Pure CSS<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eb9, \u0111\u01a1n gi\u1ea3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u00cdt th\u00e0nh ph\u1ea7n h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n nh\u1ecf, c\u1ea7n ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n CSS<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Foundation<\/b><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ea1nh m\u1ebd, nhi\u1ec1u t\u00ednh n\u0103ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 ph\u1ee9c t\u1ea1p h\u01a1n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n l\u1edbn, c\u1ea7n nhi\u1ec1u t\u00ednh n\u0103ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Materialize CSS<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Giao di\u1ec7n \u0111\u1eb9p, hi\u1ec7n \u0111\u1ea1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi Material Design<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n c\u1ea7n giao di\u1ec7n theo phong c\u00e1ch Material Design<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c b\u00e0i vi\u1ebft thu\u1ed9c ch\u1ee7 \u0111\u1ec1 CSS qua c\u00e1c b\u00e0i vi\u1ebft sau \u0111\u00e2y:<\/p>\n<ul>\n<li><a href=\"https:\/\/itviec.com\/blog\/css-la-gi\/\" target=\"_blank\" rel=\"noopener\">CSS l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 CSS \u0111\u1ec3 thi\u1ebft k\u1ebf web<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/html-css\/\" target=\"_blank\" rel=\"noopener\">HTML CSS l\u00e0 g\u00ec? 3 c\u00e1ch link CSS v\u00e0o HTML khi l\u1eadp tr\u00ecnh website<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-html-css-cho-nguoi-moi-bat-dau\/\" target=\"_blank\" rel=\"noopener\">H\u1ecdc HTML v\u00e0 CSS: L\u1ed9 tr\u00ecnh 18 b\u01b0\u1edbc chi ti\u1ebft cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/a><\/li>\n<\/ul>\n<h4><strong>L\u1ed9 tr\u00ecnh h\u1ecdc JavaScript<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">M\u1ed9t trang web c\u00f3 n\u1ec1n t\u1ea3ng t\u1ed1t, \u0111\u01b0\u1ee3c trang tr\u00ed \u0111\u1eb9p m\u1eaft ch\u1ec9 m\u1edbi \u0111\u00e1p \u1ee9ng \u0111i\u1ec1u ki\u1ec7n \u201cc\u1ea7n&#8221;. \u0110\u1ec3 thu h\u00fat v\u00e0 gi\u1eef ch\u00e2n \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng, t\u0103ng t\u00ednh t\u01b0\u01a1ng t\u00e1c ch\u00ednh l\u00e0 \u0111i\u1ec1u ki\u1ec7n \u201c\u0111\u1ee7&#8221;. JavaScript (JS) s\u1ebd gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean Frontend th\u1ef1c hi\u1ec7n vai tr\u00f2 n\u00e0y. JavaScript \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng web ph\u1ee9c t\u1ea1p, t\u1eeb c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n nh\u01b0 t\u00ednh to\u00e1n \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng web kh\u1ed5ng l\u1ed3 nh\u01b0 Facebook, Google Docs.<\/span><\/p>\n<p><b>C\u00e1c ch\u1ee7 \u0111\u1ec1 JavaScript c\u1ea7n n\u1eafm<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u0169ng nh\u01b0 CSS, \u0111\u1ea7u ti\u00ean, b\u1ea1n c\u1ea7n t\u00ecm hi\u1ec3u v\u00e0 th\u1eadt s\u1ef1 hi\u1ec3u r\u00f5 v\u1ec1 nh\u1eefng th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a JS. H\u00e3y t\u00ecm hi\u1ec3u c\u00e1ch JavaScript \u0111\u01b0\u1ee3c th\u1ef1c thi trong tr\u00ecnh duy\u1ec7t, s\u1ef1 ki\u1ec7n, DOM; C\u00e1c to\u00e1n t\u1eed (s\u1ed1 h\u1ecdc, so s\u00e1nh, logic, g\u00e1n); V\u00f2ng l\u1eb7p; H\u00e0m (C\u00e1ch \u0111\u1ecbnh ngh\u0129a, g\u1ecdi h\u00e0m, tham s\u1ed1, gi\u00e1 tr\u1ecb tr\u1ea3 v\u1ec1); M\u1ea3ng; DOM,&#8230;<\/span><\/p>\n<p>M\u1ed9t v\u00e0i b\u00e0i vi\u1ebft b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o \u0111\u1ec3 hi\u1ec3u r\u00f5 c\u00e1c ch\u1ee7 \u0111\u1ec1 JavaScript:<\/p>\n<ul>\n<li><a href=\"https:\/\/itviec.com\/blog\/array-javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\">Array JavaScript: T\u1ed5ng h\u1ee3p 12 ph\u01b0\u01a1ng th\u1ee9c quan tr\u1ecdng c\u1ee7a array<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/foreach-javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\">forEach JavaScript: M\u1ed9t s\u1ed1 thao t\u00e1c c\u01a1 b\u1ea3n v\u00e0 v\u00ed d\u1ee5 chi ti\u1ebft<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/vong-lap-trong-javascript\/\" target=\"_blank\" rel=\"noopener\">V\u00f2ng l\u1eb7p trong JavaScript: Chi ti\u1ebft 8 ph\u01b0\u01a1ng th\u1ee9c l\u1eb7p k\u00e8m v\u00ed d\u1ee5<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/khai-bao-bien-trong-javascript\/\" target=\"_blank\" rel=\"noopener\">Khai b\u00e1o bi\u1ebfn trong JavaScript: Chi ti\u1ebft c\u00e1c c\u00e1ch ph\u1ed5 bi\u1ebfn<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/if-trong-javascript\/\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u00e1c l\u1ec7nh if trong JavaScript chi ti\u1ebft<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/return-trong-javascript\/\" target=\"_blank\" rel=\"noopener\">Return trong JavaScript: H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng chi ti\u1ebft<\/a><\/li>\n<\/ul>\n<p>Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1<a href=\"https:\/\/itviec.com\/blog\/typescript-la-gi\/\" target=\"_blank\" rel=\"noopener\"><b> TypeScript<\/b><\/a>. TypeScript<span style=\"font-weight: 400;\">\u00a0l\u00e0 m\u1ed9t si\u00eau t\u1eadp c\u1ee7a JavaScript, cung c\u1ea5p th\u00eam c\u00e1c t\u00ednh n\u0103ng nh\u01b0 ki\u1ec3u d\u1eef li\u1ec7u t\u0129nh, interface, class \u0111\u1ec3 gi\u00fap vi\u1ebft code s\u1ea1ch h\u01a1n, d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n. Ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c nhi\u1ec1u c\u00f4ng ty v\u00e0 d\u1ef1 \u00e1n l\u1edbn s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ef1 \u00e1n l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sau khi \u0111\u00e3 n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c, b\u1ea1n m\u1edbi n\u00ean t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c framework ho\u1eb7c th\u01b0 vi\u1ec7n JS.<\/span><\/p>\n<p><b>JS frameworks\/ library:<\/b><span style=\"font-weight: 400;\"> React, Nest, Angular, Vue, jQuery, NodeJS<\/span><\/p>\n<p><span style=\"font-weight: 400;\">JavaScript Frameworks v\u00e0 Libraries l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. Ch\u00fang cung c\u1ea5p m\u1ed9t b\u1ed9 c\u00e1c h\u00e0m, \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 c\u1ea5u tr\u00fac s\u1eb5n c\u00f3 \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn, gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian vi\u1ebft code v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a d\u1ef1 \u00e1n. M\u1ed9t s\u1ed1 framework v\u00e0 th\u01b0 vi\u1ec7n JS m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>React:<\/b><span style=\"font-weight: 400;\"> Th\u01b0 vi\u1ec7n JavaScript ph\u1ed5 bi\u1ebfn \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, s\u1eed d\u1ee5ng JSX v\u00e0 virtual DOM.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Angular:<\/b><span style=\"font-weight: 400;\"> Framework \u0111\u1ea7y \u0111\u1ee7 t\u00ednh n\u0103ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng web m\u1ed9t trang l\u1edbn, s\u1eed d\u1ee5ng TypeScript.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vue:<\/b><span style=\"font-weight: 400;\"> Framework linh ho\u1ea1t v\u00e0 d\u1ec5 h\u1ecdc, t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c th\u00e0nh ph\u1ea7n UI.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>jQuery:<\/b><span style=\"font-weight: 400;\"> Th\u01b0 vi\u1ec7n JavaScript c\u0169 h\u01a1n, gi\u00fap thao t\u00e1c DOM d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Node.js:<\/b><span style=\"font-weight: 400;\"> M\u00f4i tr\u01b0\u1eddng runtime JavaScript, cho ph\u00e9p b\u1ea1n ch\u1ea1y JavaScript b\u00ean ngo\u00e0i tr\u00ecnh duy\u1ec7t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>NestJS:<\/b><span style=\"font-weight: 400;\"> Framework Node.js x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng backend hi\u1ec7u su\u1ea5t cao.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u1ea3ng so s\u00e1nh c\u00e1c JavaScript frameworks\/ libraries:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Framework<\/b><\/p>\n<p><b>Library<\/b><\/td>\n<td><b>\u01afu \u0111i\u1ec3m<\/b><\/td>\n<td><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/b><\/td>\n<td><b>Ph\u00f9 h\u1ee3p v\u1edbi<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>React<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Linh ho\u1ea1t, hi\u1ec7u su\u1ea5t cao, c\u1ed9ng \u0111\u1ed3ng l\u1edbn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n h\u1ecdc nhi\u1ec1u kh\u00e1i ni\u1ec7m m\u1edbi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n l\u1edbn, \u1ee9ng d\u1ee5ng m\u1ed9t trang<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Angular<\/b><\/td>\n<td><span style=\"font-weight: 400;\">To\u00e0n di\u1ec7n, c\u1ea5u tr\u00fac t\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f3 h\u1ecdc, \u0111\u1ed3 s\u1ed9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n l\u1edbn, doanh nghi\u1ec7p<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Vue<\/b><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 h\u1ecdc, linh ho\u1ea1t, hi\u1ec7u su\u1ea5t t\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ed9ng \u0111\u1ed3ng nh\u1ecf h\u01a1n React<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n v\u1eeba v\u00e0 nh\u1ecf<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>jQuery<\/b><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 s\u1eed d\u1ee5ng, thao t\u00e1c DOM d\u1ec5 d\u00e0ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u0169, kh\u00f4ng khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng cho d\u1ef1 \u00e1n m\u1edbi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n nh\u1ecf, c\u1ea7n thao t\u00e1c DOM \u0111\u01a1n gi\u1ea3n<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Node.js<\/b><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ea1nh m\u1ebd, \u0111a n\u0103ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n hi\u1ec3u s\u00e2u v\u1ec1 JavaScript<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n backend, server-side rendering<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>NestJS<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t cao, c\u1ea5u tr\u00fac t\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00fac h\u1ecdc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1 \u00e1n backend l\u1edbn, c\u1ea7n hi\u1ec7u su\u1ea5t cao<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>T\u00ecm hi\u1ec3u chi ti\u1ebft h\u01a1n v\u1ec1 c\u00e1c JavaScript framework qua c\u00e1c b\u00e0i vi\u1ebft sau:<\/p>\n<ul>\n<li><a href=\"https:\/\/itviec.com\/blog\/angularjs-la-gi\/\" target=\"_blank\" rel=\"noopener\">AngularJS l\u00e0 g\u00ec: \u0110\u1ecbnh ngh\u0129a, C\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 T\u00ednh n\u0103ng<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/so-sanh-angular-vs-angularjs\/\" target=\"_blank\" rel=\"noopener\">Angular vs AngularJS: So s\u00e1nh nh\u1eefng \u0111i\u1ec3m kh\u00e1c nhau quan tr\u1ecdng<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/so-sanh-angular-va-reactjs\/\" target=\"_blank\" rel=\"noopener\">So s\u00e1nh Angular v\u00e0 ReactJS: Framework Frontend n\u00e0o t\u1ed1t h\u01a1n?<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/cau-hoi-phong-van-reactjs-la-gi\/\" target=\"_blank\" rel=\"noopener\">Top 40 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n ReactJS t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/nodejs-la-gi\/\" target=\"_blank\" rel=\"noopener\">NodeJS l\u00e0 g\u00ec: T\u1ed5ng quan ki\u1ebfn th\u1ee9c NodeJS v\u00e0 Top 5 NodeJS framework<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/vuejs-la-gi\/\" target=\"_blank\" rel=\"noopener\">VueJS l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 Vue.js trong l\u1eadp tr\u00ecnh<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/jquery-la-gi\/\" target=\"_blank\" rel=\"noopener\">Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 jQuery \u2013 Th\u01b0 vi\u1ec7n Javascript h\u00e0ng \u0111\u1ea7u<\/a><\/li>\n<\/ul>\n<h3><b>T\u1eeb th\u00e1ng th\u1ee9 9 \u0111\u1ebfn th\u00e1ng th\u1ee9 10 ho\u1eb7c 12: T\u00ecm hi\u1ec3u v\u1ec1 Version control system (VCS)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">VCS l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 r\u1ea5t h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi l\u1eadp tr\u00ecnh vi\u00ean Frontend, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi l\u00e0m vi\u1ec7c nh\u00f3m. V\u1edbi VCS, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng xem l\u1ea1i l\u1ecbch s\u1eed thay \u0111\u1ed5i code, so s\u00e1nh s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 kh\u00f4i ph\u1ee5c nh\u1eefng thay \u0111\u1ed5i khi c\u1ea7n thi\u1ebft. T\u1ea1o c\u00e1c nh\u00e1nh \u0111\u1ec3 th\u1eed nghi\u1ec7m t\u00ednh n\u0103ng m\u1edbi m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn code ch\u00ednh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong t\u1eeb 1 \u0111\u1ebfn 3 th\u00e1ng t\u00ecm hi\u1ec3u v\u1ec1 VCS, h\u00e3y t\u1eadp trung v\u00e0o 2 n\u1ed9i dung ch\u00ednh sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>VCS tool: <\/b><span style=\"font-weight: 400;\">Git<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Git l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n ph\u00e2n t\u00e1n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh. Git th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c r\u1ea5t nhanh, ngay c\u1ea3 v\u1edbi c\u00e1c kho l\u01b0u tr\u1eef l\u1edbn. V\u1edbi Git, m\u1ed7i l\u1eadp tr\u00ecnh vi\u00ean tham gia d\u1ef1 \u00e1n \u0111\u1ec1u s\u1ebd c\u00f3 m\u1ed9t b\u1ea3n sao \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a kho l\u01b0u tr\u1eef, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c nh\u00e1nh \u0111\u1ec3 th\u1eed nghi\u1ec7m v\u00e0 h\u1ee3p nh\u1ea5t ch\u00fang m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng, kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ea1ch code ch\u00ednh.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>VCS platform<\/b><span style=\"font-weight: 400;\">: Github, Gitlab, Bitbucket<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Github, Gitlab, Bitbucket l\u00e0 3 n\u1ec1n t\u1ea3ng VCS \u0111\u01b0\u1ee3c d\u00f9ng r\u1ea5t ph\u1ed5 bi\u1ebfn hi\u1ec7n nay. Khi t\u00ecm hi\u1ec3u v\u1ec1 3 n\u1ec1n t\u1ea3ng n\u00e0y, h\u00e3y ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n nh\u01b0 repository, commit, branch, merge, pull request; C\u00e1c l\u1ec7nh Git c\u01a1 b\u1ea3n nh\u01b0 init, clone, add, commit, push, pull, branch, merge, checkout; Workflow v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 t\u1ea1o repository, qu\u1ea3n l\u00fd c\u00e1c nh\u00e1nh, t\u1ea1o pull request, review code.<\/span><\/p>\n<h3><b>Trong su\u1ed1t qu\u00e1 tr\u00ecnh h\u1ecdc Front End: Th\u1ef1c h\u00e0nh c\u00e1c side project<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Th\u1ef1c h\u00e0nh \u0111\u1ec1u \u0111\u1eb7n l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean frontend gi\u1ecfi chuy\u00ean m\u00f4n. H\u00e3y d\u00e0nh th\u1eddi gian m\u1ed7i ng\u00e0y, trong m\u1ed7i b\u00e0i h\u1ecdc v\u1ec1 c\u00e1c ph\u1ea7n tr\u00ean \u0111\u1ec3 th\u1ef1c h\u00e0nh c\u00e1c side project, ngo\u00e0i ra b\u1ea1n c\u00f2n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng c\u00e1c d\u1ef1 \u00e1n ho\u1eb7c \u0111\u00f3ng g\u00f3p cho c\u00e1c c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh.\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_thuc_hanh_best_practice_lap_trinh_Frontend\"><\/span><b>C\u00e1c th\u1ef1c h\u00e0nh (best practice) l\u1eadp tr\u00ecnh Frontend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>Vi\u1ebft code s\u1ea1ch v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng c\u00e1c quy t\u1eafc \u0111\u1eb7t t\u00ean r\u00f5 r\u00e0ng:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecdn t\u00ean bi\u1ebfn, h\u00e0m, class mang t\u00ednh m\u00f4 t\u1ea3 cao \u0111\u1ec3 d\u1ec5 hi\u1ec3u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ecbnh d\u1ea1ng code nh\u1ea5t qu\u00e1n:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Prettier \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng \u0111\u1ecbnh d\u1ea1ng code, \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng b\u1ed9 trong d\u1ef1 \u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vi\u1ebft code m\u00f4 \u0111un h\u00f3a:<\/b><span style=\"font-weight: 400;\"> T\u00e1ch code th\u00e0nh c\u00e1c module nh\u1ecf, \u0111\u1ed9c l\u1eadp \u0111\u1ec3 d\u1ec5 qu\u1ea3n l\u00fd v\u00e0 t\u00e1i s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng comments:<\/b><span style=\"font-weight: 400;\"> Gi\u1ea3i th\u00edch c\u00e1c \u0111o\u1ea1n code ph\u1ee9c t\u1ea1p ho\u1eb7c c\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf quan tr\u1ecdng.<\/span><\/li>\n<\/ul>\n<p><b>T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Minify v\u00e0 concatenate c\u00e1c file:<\/b><span style=\"font-weight: 400;\"> Gi\u1ea3m k\u00edch th\u01b0\u1edbc file CSS, JavaScript \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Lazy loading:<\/b><span style=\"font-weight: 400;\"> Ch\u1ec9 t\u1ea3i c\u00e1c t\u00e0i nguy\u00ean c\u1ea7n thi\u1ebft khi ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u00fang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1ea3i thi\u1ec7n th\u1eddi gian ph\u1ea3n h\u1ed3i:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 caching, service worker \u0111\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian ch\u1edd \u0111\u1ee3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tr\u00e1nh reflow v\u00e0 repaint:<\/b><span style=\"font-weight: 400;\"> Hi\u1ec3u r\u00f5 c\u00e1ch tr\u00ecnh duy\u1ec7t render l\u1ea1i trang \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c ho\u1ea1t \u0111\u1ed9ng n\u00e0y.<\/span><\/li>\n<\/ul>\n<p><b>Thi\u1ebft k\u1ebf giao di\u1ec7n \u0111\u00e1p \u1ee9ng:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng media queries:<\/b><span style=\"font-weight: 400;\"> \u0110i\u1ec1u ch\u1ec9nh giao di\u1ec7n cho ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh kh\u00e1c nhau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u01afu ti\u00ean thi\u1ebft k\u1ebf mobile-first:<\/b><span style=\"font-weight: 400;\"> X\u00e2y d\u1ef1ng giao di\u1ec7n t\u1eeb thi\u1ebft b\u1ecb di \u0111\u1ed9ng r\u1ed3i m\u1edf r\u1ed9ng ra c\u00e1c thi\u1ebft b\u1ecb l\u1edbn h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb \u0111o t\u01b0\u01a1ng \u0111\u1ed1i:<\/b><span style=\"font-weight: 400;\"> Em, rem, vh, vw thay v\u00ec c\u00e1c \u0111\u01a1n v\u1ecb \u0111o tuy\u1ec7t \u0111\u1ed1i (px).<\/span><\/li>\n<\/ul>\n<p><b>\u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy c\u1eadp:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng semantic HTML:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng c\u00e1c th\u1ebb HTML c\u00f3 \u00fd ngh\u0129a \u0111\u1ec3 gi\u00fap tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh hi\u1ec3u n\u1ed9i dung trang web.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Cung c\u1ea5p c\u00e1c label cho c\u00e1c input:<\/b><span style=\"font-weight: 400;\"> Gi\u00fap ng\u01b0\u1eddi d\u00f9ng hi\u1ec3u r\u00f5 m\u1ee5c \u0111\u00edch c\u1ee7a t\u1eebng tr\u01b0\u1eddng nh\u1eadp li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u s\u1eafc:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ea3m b\u1ea3o ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ecb l\u1ef1c k\u00e9m v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c n\u1ed9i dung.<\/span><\/li>\n<\/ul>\n<p><b>Vi\u1ebft code c\u00f3 th\u1ec3 ki\u1ec3m th\u1eed:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng c\u00e1c unit test:<\/b><span style=\"font-weight: 400;\"> Ki\u1ec3m tra t\u1eebng ph\u1ea7n nh\u1ecf c\u1ee7a code \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Vi\u1ebft code d\u1ec5 ki\u1ec3m th\u1eed:<\/b><span style=\"font-weight: 400;\"> T\u00e1ch bi\u1ec7t logic kh\u1ecfi giao di\u1ec7n \u0111\u1ec3 d\u1ec5 d\u00e0ng vi\u1ebft test.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ki\u1ec3m th\u1eed:<\/b><span style=\"font-weight: 400;\"> Jest, Mocha, Chai,&#8230;<\/span><\/li>\n<\/ul>\n<p><b>Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c best practice kh\u00e1c nh\u01b0:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng version control:<\/b><span style=\"font-weight: 400;\"> Git<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L\u00e0m vi\u1ec7c theo nh\u00f3m:<\/b><span style=\"font-weight: 400;\"> Agile, Scrum<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00ecm hi\u1ec3u c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n m\u1edbi:<\/b><span style=\"font-weight: 400;\"> npm, yarn, Babel, Webpack<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tham gia c\u1ed9ng \u0111\u1ed3ng:<\/b><span style=\"font-weight: 400;\"> Stack Overflow, GitHub, c\u00e1c di\u1ec5n \u0111\u00e0n<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_lo_trinh_hoc_Front_End\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Front End<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>T\u00f4i c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh l\u1ed9 tr\u00ecnh h\u1ecdc Front End tr\u00ean trong th\u1eddi gian ng\u1eafn h\u01a1n kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">B\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh l\u1ed9 tr\u00ecnh h\u1ecdc Front End trong th\u1eddi gian ng\u1eafn h\u01a1n. \u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi gian d\u00e0nh cho vi\u1ec7c h\u1ecdc, kh\u1ea3 n\u0103ng th\u00f4ng hi\u1ec3u v\u1ea5n \u0111\u1ec1 v\u00e0 c\u00e1c ngu\u1ed3n t\u00e0i li\u1ec7u \u0111\u1ec3 vi\u1ec7c h\u1ecdc d\u1ec5 d\u00e0ng v\u00e0 nhanh ch\u00f3ng h\u01a1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, \u0111\u1eebng qu\u00e1 ch\u00fa \u00fd v\u1ec1 th\u1eddi gian, kh\u1ea3 n\u0103ng b\u1ea1n hi\u1ec3u to\u00e0n b\u1ed9 ki\u1ebfn th\u1ee9c v\u00e0 th\u00e0nh th\u1ea1o c\u00e1c k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh frontend sau khi k\u1ebft th\u00fac l\u1ed9 tr\u00ecnh m\u1edbi l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/tai-lieu-front-end\/\" target=\"_blank\" rel=\"noopener\"><strong>T\u00e0i li\u1ec7u d\u00e0nh cho Front end Developer t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao<\/strong><\/a><\/em><\/p><\/blockquote>\n<h3><b>L\u1ed9 tr\u00ecnh h\u1ecdc Mobile Front End Developer nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Xu h\u01b0\u1edbng ch\u00ednh trong ph\u00e1t tri\u1ec3n front-end trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y l\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng cho smartphone. Do \u0111\u00f3, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean frontend \u0111i theo nh\u00e1nh mobile app c\u0169ng t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L\u1ed9 tr\u00ecnh h\u1ecdc Front End cho Mobile c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Web Front End. Tuy nhi\u00ean, b\u1ea1n s\u1ebd c\u1ea7n d\u00e0nh th\u00eam m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u1ec3 h\u1ecdc th\u00eam v\u1ec1 Mobile Frontend Framework. M\u1ed9t s\u1ed1 framework ph\u1ed5 bi\u1ebfn v\u00e0 h\u1eefu d\u1ee5ng m\u00e0 b\u1ea1n n\u00ean t\u00ecm hi\u1ec3u g\u1ed3m: <a href=\"https:\/\/itviec.com\/blog\/tong-quan-react-native-la-gi\/\" target=\"_blank\" rel=\"noopener\">React Native<\/a>, <a href=\"https:\/\/itviec.com\/blog\/flutter-roadmap-lo-trinh-hoc-flutter\/\" target=\"_blank\" rel=\"noopener\">Flutter<\/a>, Ionic, Nativescript.<\/span><\/p>\n<h3><b>L\u01b0\u01a1ng c\u1ee7a Front End Developer c\u00f3 cao kh\u00f4ng?<\/b><i><\/i><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1ee9c l\u01b0\u01a1ng c\u1ee7a l\u1eadp tr\u00ecnh vi\u00ean n\u00f3i chung ho\u1eb7c l\u1eadp tr\u00ecnh vi\u00ean Front End n\u00f3i ri\u00eang kh\u00e1 l\u00fd t\u01b0\u1edfng. Theo b\u00e1o c\u00e1o \u201c<\/span><a href=\"https:\/\/itviec.com\/blog\/bao-cao-luong-it\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">L\u01b0\u01a1ng v\u00e0 Th\u1ecb tr\u01b0\u1eddng Tuy\u1ec3n d\u1ee5ng IT Vi\u1ec7t Nam 2024-2025<\/span><\/a><span style=\"font-weight: 400;\">\u201d m\u00e0 ITviec \u0111\u00e3 th\u1ef1c hi\u1ec7n, l\u01b0\u01a1ng kh\u1edfi \u0111i\u1ec3m v\u00e0 kho\u1ea3ng 2 n\u0103m kinh nghi\u1ec7m c\u1ee7a m\u1ed9t Frontend Developer l\u00e0 h\u01a1n 16.000.000 \u0111\u1ed3ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, b\u00e1o c\u00e1o c\u0169ng cho bi\u1ebft c\u1ee5 th\u1ec3 m\u1ee9c l\u01b0\u01a1ng theo s\u1ed1 n\u0103m kinh nghi\u1ec7m t\u1eeb d\u01b0\u1edbi 1 n\u0103m \u0111\u1ebfn tr\u00ean 8 n\u0103m c\u1ee7a v\u1ecb tr\u00ed c\u00f4ng vi\u1ec7c n\u00e0y.\u00a0<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b> S\u1ed1 n\u0103m<\/b><\/td>\n<td><b>&lt;1\u00a0<\/b><\/td>\n<td><b>1-2<\/b><\/td>\n<td><b>3-4\u00a0<\/b><\/td>\n<td><b>5-8\u00a0<\/b><\/td>\n<td><b>&gt;8\u00a0<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Front-end Developer<\/b><\/td>\n<td><span style=\"font-weight: 300;\">N\/A*<\/span><\/td>\n<td><span style=\"font-weight: 300;\">16.100.000<\/span><\/td>\n<td><span style=\"font-weight: 300;\">23.300.000<\/span><\/td>\n<td><span style=\"font-weight: 300;\">34.950.000<\/span><\/td>\n<td><span style=\"font-weight: 300;\">50.950.000<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote><p><span style=\"font-weight: 400;\"><strong>L\u01b0u \u00fd:<\/strong> \u0110\u00e2y l\u00e0 m\u1ee9c l\u01b0\u01a1ng t\u00ednh theo k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n. Ch\u01b0a t\u00ednh c\u00e1c kho\u1ea3n h\u1ed7 tr\u1ee3, ph\u1ee5 c\u1ea5p m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb ch\u1ebf \u0111\u1ed9 ph\u00fac l\u1ee3i c\u1ee7a c\u00f4ng ty. M\u1ee9c thu nh\u1eadp \u1edf tr\u00ean c\u0169ng ch\u1ec9 mang t\u00ednh tham kh\u1ea3o, d\u1ef1a tr\u00ean nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c n\u1eefa nh\u01b0 d\u1ef1a tr\u00ean \u0111\u1eb7c th\u00f9 c\u00f4ng vi\u1ec7c, tu\u1ef3 theo t\u1eebng c\u00f4ng ty..v..v<\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 300;\">\u00a0(*) \u0110\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u00f3 m\u1eabu s\u1ed1 nh\u1ecf, k\u1ebft qu\u1ea3 s\u1ebd hi\u1ec3n th\u1ecb l\u00e0 N\/A<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket_Lo_trinh_hoc_Front_End\"><\/span><b>T\u1ed5ng k\u1ebft L\u1ed9 tr\u00ecnh h\u1ecdc Front End<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Sau khi ho\u00e0n th\u00e0nh xong l\u1ed9 tr\u00ecnh h\u1ecdc Front End 12 th\u00e1ng n\u00e0y, b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng trang web portfolio c\u1ee7a m\u00ecnh r\u1ed3i. H\u00e3y tham gia\u00a0nhi\u1ec1u d\u1ef1 \u00e1n \u0111\u1ec3 th\u1ef1c h\u00e0nh k\u1ef9 n\u0103ng v\u00e0 mang l\u1ea1i nhi\u1ec1u kinh nghi\u1ec7m v\u1ec1 HTML, CSS, JavaScript v\u00e0 framework m\u00e0 b\u1ea1n \u0111\u00e3 h\u1ecdc trong su\u1ed1t th\u1eddi gian qua nh\u00e9.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft cung c\u1ea5p l\u1ed9 tr\u00ecnh h\u1ecdc Front End chi ti\u1ebft, \u0111\u1ed3ng th\u1eddi g\u1ee3i m\u1edf nh\u1eefng b\u00e0i th\u1ef1c h\u00e0nh n\u00e2ng cao k\u1ef9 n\u0103ng l\u1eadp tr\u00ecnh, gi\u00fap b\u1ea1n tr\u1edf th\u00e0nh Frontend Developer \u201cth\u00e0nh th\u1ea1o\u201d t\u1eeb con s\u1ed1 0 ch\u1ec9 trong v\u00f2ng 10 &#8211; 12 th\u00e1ng. \u0110\u1ecdc b\u00e0i vi\u1ebft \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n: L\u1eadp tr\u00ecnh Frontend l\u00e0 [&hellip;]<\/p>\n","protected":false},"author":213,"featured_media":81021,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109,99,94],"tags":[],"class_list":["post-80865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it","category-developer","category-su-nghiep-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - 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