{"id":85366,"date":"2025-03-28T10:52:09","date_gmt":"2025-03-28T03:52:09","guid":{"rendered":"https:\/\/itviecblog.uptech.vn\/?p=85366"},"modified":"2025-07-10T11:06:12","modified_gmt":"2025-07-10T04:06:12","slug":"bootstrap-5-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/bootstrap-5-la-gi\/","title":{"rendered":"Bootstrap 5 l\u00e0 g\u00ec? Nh\u1eefng thay \u0111\u1ed5i n\u1ed5i b\u1eadt \u1edf Bootstrap 5"},"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\/bootstrap-5-la-gi\/#Bootstrap_5_la_gi\" >Bootstrap 5 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\/bootstrap-5-la-gi\/#Cac_tinh_nang_moi_noi_bat_o_Bootstrap_5\" >C\u00e1c t\u00ednh n\u0103ng m\u1edbi n\u1ed5i b\u1eadt \u1edf Bootstrap 5<\/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\/bootstrap-5-la-gi\/#Nhung_noi_dung_bi_loai_bo_o_Bootstrap_5\" >Nh\u1eefng n\u1ed9i dung b\u1ecb lo\u1ea1i b\u1ecf \u1edf Bootstrap 5<\/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\/bootstrap-5-la-gi\/#So_sanh_Bootstrap_5_voi_cac_phien_ban_truoc_do\" >So s\u00e1nh Bootstrap 5 v\u1edbi c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc \u0111\u00f3<\/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\/bootstrap-5-la-gi\/#Cach_cai_dat_Bootstrap_5\" >C\u00e1ch c\u00e0i \u0111\u1eb7t Bootstrap 5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/bootstrap-5-la-gi\/#Lam_sao_de_nang_cap_tu_Bootstrap_4_len_Bootstrap_5\" >L\u00e0m sao \u0111\u1ec3 n\u00e2ng c\u1ea5p t\u1eeb Bootstrap 4 l\u00ean Bootstrap 5?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/bootstrap-5-la-gi\/#Cau_hoi_thuong_gap_ve_Bootstrap_5\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Bootstrap 5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/bootstrap-5-la-gi\/#Tong_Ket\" >T\u1ed5ng K\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><em><strong>Bootstrap t\u1eeb l\u00e2u \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 quen thu\u1ed9c v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean Front-end nh\u1edd kh\u1ea3 n\u0103ng x\u00e2y d\u1ef1ng nhanh giao di\u1ec7n web \u0111\u1eb9p m\u1eaft v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u1ecdi thi\u1ebft b\u1ecb. \u1ede Bootstrap 5, framework n\u00e0y \u0111\u00e3 c\u00f3 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn, thay \u0111\u1ed5i to\u00e0n di\u1ec7n t\u1eeb vi\u1ec7c lo\u1ea1i b\u1ecf s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o jQuery cho \u0111\u1ebfn c\u1ea3i ti\u1ebfn s\u00e2u s\u1eafc v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn.<\/strong><\/em><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Bootstrap 5 l\u00e0 g\u00ec<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Nh\u1eefng thay \u0111\u1ed5i ch\u00ednh trong Bootstrap 5<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e1ch c\u00e0i \u0111\u1eb7t Bootstrap 5<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u00e1ch n\u00e2ng c\u1ea5p t\u1eeb Bootstrap 4 l\u00ean Bootstrap 5<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-bootstrap-5-la-gi\"><span class=\"ez-toc-section\" id=\"Bootstrap_5_la_gi\"><\/span><b>Bootstrap 5 l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\"><a href=\"\/blog\/bootstrap-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Bootstrap<\/strong><\/a> l\u00e0 m\u1ed9t framework CSS mi\u1ec5n ph\u00ed gi\u00fap ph\u00e1t tri\u1ec3n web nhanh v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n. Bootstrap cung c\u1ea5p c\u00e1c m\u1eabu thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean HTML v\u00e0 CSS cho ki\u1ec3u ch\u1eef, bi\u1ec3u m\u1eabu, n\u00fat, b\u1ea3ng, thanh \u0111i\u1ec1u h\u01b0\u1edbng, h\u1ed9p tho\u1ea1i (modals), tr\u00ecnh chi\u1ebfu \u1ea3nh (carousels) v\u00e0 nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c, \u0111\u1ed3ng th\u1eddi c\u0169ng h\u1ed7 tr\u1ee3 c\u00e1c plugin JavaScript t\u00f9y ch\u1ecdn. Bootstrap n\u1ed5i b\u1eadt v\u1edbi thi\u1ebft k\u1ebf h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng c\u00e1c trang web \u01b0u ti\u00ean tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng (mobile-first).<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 l\u00e0 phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a Bootstrap, \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh n\u0103m 2021. \u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a Bootstrap 5 l\u00e0 \u0111\u00e3 chuy\u1ec3n ho\u00e0n to\u00e0n sang s\u1eed d\u1ee5ng JavaScript thu\u1ea7n (vanilla JavaScript) thay cho jQuery, gi\u00fap gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o th\u01b0 vi\u1ec7n b\u00ean ngo\u00e0i. Phi\u00ean b\u1ea3n n\u00e0y h\u1ed7 tr\u1ee3 t\u1ed1t vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c trang web t\u01b0\u01a1ng th\u00edch \u0111a thi\u1ebft b\u1ecb (responsive) m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 nhanh ch\u00f3ng h\u01a1n.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-tinh-nang-m\u1edbi-n\u1ed5i-b\u1eadt-\u1edf-bootstrap-5\"><span class=\"ez-toc-section\" id=\"Cac_tinh_nang_moi_noi_bat_o_Bootstrap_5\"><\/span><b>C\u00e1c t\u00ednh n\u0103ng m\u1edbi n\u1ed5i b\u1eadt \u1edf Bootstrap 5<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-accordion-m\u1edbi\"><b>Accordion m\u1edbi<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 \u0111\u00e3 thay th\u1ebf th\u00e0nh ph\u1ea7n accordion s\u1eed d\u1ee5ng <\/span><b>.card<\/b><span style=\"font-weight: 400;\"> b\u1eb1ng m\u1ed9t th\u00e0nh ph\u1ea7n ho\u00e0n to\u00e0n m\u1edbi l\u00e0 <\/span><b>.accordion<\/b><span style=\"font-weight: 400;\">, \u0111\u1ed3ng th\u1eddi kh\u1eafc ph\u1ee5c m\u1ed9t s\u1ed1 l\u1ed7i tr\u01b0\u1edbc \u0111\u00f3. Accordion m\u1edbi v\u1eabn s\u1eed d\u1ee5ng plugin JavaScript Collapse, nh\u01b0ng v\u1edbi HTML v\u00e0 CSS t\u00f9y ch\u1ec9nh h\u1ed7 tr\u1ee3, gi\u00fap d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 t\u1ed1i \u01b0u h\u01a1n bao gi\u1edd h\u1ebft.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 v\u1ec1 accordion m\u1edbi:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">div<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">id<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordionExample<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">div<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-item<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">h2<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-header<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">id<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">headingOne<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">button<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-button<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">type<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">button<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">data-bs-toggle<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">collapse<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">data-bs-target<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">#collapseOne<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">aria-expanded<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">true<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">aria-controls<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">collapseOne<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accordion Item #1<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">button<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">h2<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">div<\/span> <i><span style=\"font-weight: 400;\">id<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">collapseOne<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-collapse collapse show<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">aria-labelledby<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">headingOne<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">data-bs-parent<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">#accordionExample<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">div<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-body<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">strong<\/span><span style=\"font-weight: 400;\">&gt;\u0110\u00e2y l\u00e0 ph\u1ea7n th\u00e2n accordion c\u1ee7a m\u1ee5c \u0111\u1ea7u ti\u00ean.&lt;\/<\/span><span style=\"font-weight: 400;\">strong<\/span><span style=\"font-weight: 400;\">&gt;&lt;<\/span><span style=\"font-weight: 400;\">br<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C\u0169ng \u0111\u00e1ng l\u01b0u \u00fd r\u1eb1ng h\u1ea7u nh\u01b0 b\u1ea5t k\u1ef3 HTML n\u00e0o c\u0169ng c\u00f3 th\u1ec3 n\u1eb1m trong &lt;<\/span><span style=\"font-weight: 400;\">code<\/span><span style=\"font-weight: 400;\">&gt;.accordion-body&lt;\/<\/span><span style=\"font-weight: 400;\">code<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">div<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-item<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">h2<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-header<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">id<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">headingTwo<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">button<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-button collapsed<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">type<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">button<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">data-bs-toggle<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">collapse<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">data-bs-target<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">#collapseTwo<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">aria-expanded<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">false<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">aria-controls<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">collapseTwo<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accordion Item #2<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">button<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">h2<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">div<\/span> <i><span style=\"font-weight: 400;\">id<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">collapseTwo<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-collapse collapse<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">aria-labelledby<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">headingTwo<\/span><span style=\"font-weight: 400;\">\"<\/span> <i><span style=\"font-weight: 400;\">data-bs-parent<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">#accordionExample<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;<\/span><span style=\"font-weight: 400;\">div<\/span> <i><span style=\"font-weight: 400;\">class<\/span><\/i><span style=\"font-weight: 400;\">=<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">accordion-body<\/span><span style=\"font-weight: 400;\">\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u0110\u00e2y l\u00e0 ph\u1ea7n th\u00e2n accordion c\u1ee7a m\u1ee5c th\u1ee9 hai.<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">div&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">H\u00ecnh \u1ea3nh k\u1ebft qu\u1ea3:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"991\" height=\"274\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-1-vippro.png\" alt=\"bootstrap 5 - itviec blog\" class=\"wp-image-85373\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-1-vippro.png 991w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-1-vippro-300x83.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-1-vippro-768x212.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-1-vippro-200x55.png 200w\" sizes=\"auto, (max-width: 991px) 100vw, 991px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-nhan-n\u1ed5i-floating-labels\"><b>Nh\u00e3n n\u1ed5i (Floating labels)<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 \u0111\u00e3 b\u1ed5 sung h\u1ed7 tr\u1ee3 nh\u00e3n n\u1ed5i cho c\u00e1c th\u00e0nh ph\u1ea7n input d\u1ea1ng v\u0103n b\u1ea3n, select v\u00e0 textarea. Tuy nhi\u00ean, hi\u1ec7n t\u1ea1i textarea v\u1eabn c\u00f2n m\u1ed9t h\u1ea1n ch\u1ebf: khi nh\u1eadp nhi\u1ec1u d\u00f2ng, ph\u1ea7n n\u1ed9i dung c\u00f3 th\u1ec3 b\u1ecb che khu\u1ea5t b\u1edfi nh\u00e3n n\u1ed5i.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Code v\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-floating mb-3\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">input<\/span><span style=\"font-weight: 400;\"> type=<\/span><span style=\"font-weight: 400;\">\"email\"<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-control\"<\/span><span style=\"font-weight: 400;\"> id=<\/span><span style=\"font-weight: 400;\">\"floatingInput\"<\/span><span style=\"font-weight: 400;\"> placeholder=<\/span><span style=\"font-weight: 400;\">\"name@example.com\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\"> for=<\/span><span style=\"font-weight: 400;\">\"floatingInput\"<\/span><span style=\"font-weight: 400;\">&gt;Email address&lt;\/<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-floating\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">input<\/span><span style=\"font-weight: 400;\"> type=<\/span><span style=\"font-weight: 400;\">\"password\"<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-control\"<\/span><span style=\"font-weight: 400;\"> id=<\/span><span style=\"font-weight: 400;\">\"floatingPassword\"<\/span><span style=\"font-weight: 400;\"> placeholder=<\/span><span style=\"font-weight: 400;\">\"Password\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\"> for=<\/span><span style=\"font-weight: 400;\">\"floatingPassword\"<\/span><span style=\"font-weight: 400;\">&gt;Password&lt;\/<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">H\u00ecnh \u1ea3nh k\u1ebft qu\u1ea3:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1652\" height=\"410\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-2-vippro.png\" alt=\"bootstrap 5 - itviec blog\" class=\"wp-image-85376\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-2-vippro.png 1652w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-2-vippro-300x74.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-2-vippro-1536x381.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-2-vippro-200x50.png 200w\" sizes=\"auto, (max-width: 1652px) 100vw, 1652px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-thi\u1ebft-k\u1ebf-form-d\u01b0\u1ee3c-c\u1ea3i-ti\u1ebfn\"><b>Thi\u1ebft k\u1ebf form \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 \u0111\u00e3 t\u1ea1o ri\u00eang m\u1ed9t m\u1ee5c chuy\u00ean bi\u1ec7t d\u00e0nh cho form v\u1edbi t\u00e0i li\u1ec7u v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn. Gi\u1edd \u0111\u00e2y, Bootstrap ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n form th\u1ed1ng nh\u1ea5t v\u00e0 thi\u1ebft k\u1ebf l\u1ea1i c\u00e1c th\u00e0nh ph\u1ea7n hi\u1ec7n c\u00f3 thay v\u00ec t\u1ea1o c\u00e1c ph\u1ea7n t\u1eed m\u1edbi th\u00f4ng qua pseudo-elements. C\u00e1c form Bootstrap hi\u1ec7n t\u1ea1i \u0111\u00e3 c\u00f3 di\u1ec7n m\u1ea1o \u0111\u1eb9p v\u00e0 chuy\u00ean nghi\u1ec7p h\u01a1n.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh vi\u1ec7c b\u1ed5 sung c\u00e1c trang t\u00e0i li\u1ec7u m\u1edbi, Bootstrap c\u0169ng \u0111\u00e3 thi\u1ebft k\u1ebf l\u1ea1i v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c th\u00e0nh ph\u1ea7n tr\u00f9ng l\u1eb7p trong form.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u1ede phi\u00ean b\u1ea3n v4, Bootstrap t\u1eebng gi\u1edbi thi\u1ec7u m\u1ed9t b\u1ed9 c\u00e1c th\u00e0nh ph\u1ea7n form t\u00f9y ch\u1ec9nh r\u1ea5t \u0111\u1ea7y \u0111\u1ee7 &#8211; bao g\u1ed3m checkbox, radio, switch, file upload v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa &#8211; nh\u01b0ng ch\u00fang v\u1eabn ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n m\u1eb7c \u0111\u1ecbnh do tr\u00ecnh duy\u1ec7t cung c\u1ea5p. V\u1edbi phi\u00ean b\u1ea3n v5, Bootstrap \u0111\u00e3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c th\u00e0nh ph\u1ea7n m\u1eb7c \u0111\u1ecbnh c\u1ee7a tr\u00ecnh duy\u1ec7t v\u00e0 chuy\u1ec3n sang s\u1eed d\u1ee5ng ho\u00e0n to\u00e0n c\u00e1c form t\u00f9y ch\u1ec9nh do Bootstrap thi\u1ebft k\u1ebf.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"1090\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-3-vippro.png\" alt=\"bootstrap 5 - itviec blog\" class=\"wp-image-85378\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-3-vippro.png 1500w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-3-vippro-300x218.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-3-vippro-768x558.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-3-vippro-200x145.png 200w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-thanh-ph\u1ea7n-ch\u1ecdn-file-file-input-m\u1edbi\"><b>Th\u00e0nh ph\u1ea7n ch\u1ecdn file (file input) m\u1edbi<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 \u0111\u00e3 lo\u1ea1i b\u1ecf class t\u00f9y ch\u1ec9nh <\/span><b>.form-file<\/b><span style=\"font-weight: 400;\"> v\u00e0 t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp c\u00e1c ki\u1ec3u d\u00e1ng v\u00e0o class <\/span><b>.form-control<\/b><span style=\"font-weight: 400;\">. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f2n c\u1ea7n JavaScript b\u1ed5 sung \u0111\u1ec3 x\u1eed l\u00fd giao di\u1ec7n c\u1ee7a \u00f4 ch\u1ecdn file n\u1eefa &#8211; th\u00e0nh ph\u1ea7n file input m\u1edbi ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng CSS.<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"mb-3\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\"> for=<\/span><span style=\"font-weight: 400;\">\"formFile\"<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-label\"<\/span><span style=\"font-weight: 400;\">&gt;Default file input example&lt;\/<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">input<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-control\"<\/span><span style=\"font-weight: 400;\"> type=<\/span><span style=\"font-weight: 400;\">\"file\"<\/span><span style=\"font-weight: 400;\"> id=<\/span><span style=\"font-weight: 400;\">\"formFile\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"mb-3\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\"> for=<\/span><span style=\"font-weight: 400;\">\"formFileMultiple\"<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-label\"<\/span><span style=\"font-weight: 400;\">&gt;Multiple files input example&lt;\/<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">input<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-control\"<\/span><span style=\"font-weight: 400;\"> type=<\/span><span style=\"font-weight: 400;\">\"file\"<\/span><span style=\"font-weight: 400;\"> id=<\/span><span style=\"font-weight: 400;\">\"formFileMultiple\"<\/span><span style=\"font-weight: 400;\"> multiple&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"mb-3\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\"> for=<\/span><span style=\"font-weight: 400;\">\"formFileDisabled\"<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-label\"<\/span><span style=\"font-weight: 400;\">&gt;Disabled file input example&lt;\/<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">input<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-control\"<\/span><span style=\"font-weight: 400;\"> type=<\/span><span style=\"font-weight: 400;\">\"file\"<\/span><span style=\"font-weight: 400;\"> id=<\/span><span style=\"font-weight: 400;\">\"formFileDisabled\"<\/span><span style=\"font-weight: 400;\"> disabled&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"mb-3\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\"> for=<\/span><span style=\"font-weight: 400;\">\"formFileSm\"<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-label\"<\/span><span style=\"font-weight: 400;\">&gt;Small file input example&lt;\/<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">input<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-control form-control-sm\"<\/span><span style=\"font-weight: 400;\"> id=<\/span><span style=\"font-weight: 400;\">\"formFileSm\"<\/span><span style=\"font-weight: 400;\"> type=<\/span><span style=\"font-weight: 400;\">\"file\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\"> for=<\/span><span style=\"font-weight: 400;\">\"formFileLg\"<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-label\"<\/span><span style=\"font-weight: 400;\">&gt;Large file input example&lt;\/<\/span><span style=\"font-weight: 400;\">label<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&nbsp; &lt;<\/span><span style=\"font-weight: 400;\">input<\/span><span style=\"font-weight: 400;\"> class=<\/span><span style=\"font-weight: 400;\">\"form-control form-control-lg\"<\/span><span style=\"font-weight: 400;\"> id=<\/span><span style=\"font-weight: 400;\">\"formFileLg\"<\/span><span style=\"font-weight: 400;\"> type=<\/span><span style=\"font-weight: 400;\">\"file\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;\/<\/span><span style=\"font-weight: 400;\">div<\/span><span style=\"font-weight: 400;\">&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">H\u00ecnh \u1ea3nh k\u1ebft qu\u1ea3:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1610\" height=\"934\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-4-vippro.png\" alt=\"bootstrap 5 - itviec blog\" class=\"wp-image-85379\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-4-vippro.png 1610w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-4-vippro-300x174.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-4-vippro-1536x891.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-4-vippro-200x116.png 200w\" sizes=\"auto, (max-width: 1610px) 100vw, 1610px\" \/><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c thay \u0111\u1ed5i n\u00e0y gi\u00fap m\u00e3 ngu\u1ed3n g\u1ecdn nh\u1eb9 h\u01a1n, d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n v\u00e0 \u0111\u1ed3ng b\u1ed9 v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n form kh\u00e1c trong Bootstrap 5.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-b\u1ed5-sung-th\u01b0-vi\u1ec7n-icon-svg-rieng-bootstrap-icons\"><b>B\u1ed5 sung th\u01b0 vi\u1ec7n icon SVG ri\u00eang (Bootstrap Icons)<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 gi\u1edbi thi\u1ec7u b\u1ed9 icon ri\u00eang t\u00ean l\u00e0 Bootstrap Icons. H\u01a1n 1.300 icon d\u1ea1ng SVG d\u1ec5 d\u00e0ng tu\u1ef3 bi\u1ebfn k\u00edch th\u01b0\u1edbc, m\u00e0u s\u1eafc b\u1eb1ng CSS. Ngo\u00e0i ra, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 import t\u1eebng icon ho\u1eb7c to\u00e0n b\u1ed9 b\u1ed9 icon v\u00e0o d\u1ef1 \u00e1n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-them-h\u1ed7-tr\u1ee3-rtl-right-to-left\"><b>Th\u00eam h\u1ed7 tr\u1ee3 RTL (Right to Left)<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 \u0111\u00e3 th\u00eam h\u1ed7 tr\u1ee3 RTL (Right to Left) * bao g\u1ed3m m\u1ed9t s\u1ed1 thay \u0111\u1ed5i nh\u01b0 sau:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Th\u00eam c\u00e1c phi\u00ean b\u1ea3n CSS h\u1ed7 tr\u1ee3 RTL trong th\u01b0 m\u1ee5c dist, bao g\u1ed3m grid, Reboot, utilities v\u00e0 c\u00e1c g\u00f3i chu\u1ea9n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Th\u00eam t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn ri\u00eang cho RTL \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng b\u1eaft \u0111\u1ea7u: Xem <\/span><a href=\"https:\/\/getbootstrap.com\/docs\/5.0\/getting-started\/rtl\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn RTL<\/span><\/a>.<\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">B\u1ed5 sung <\/span><a href=\"https:\/\/getbootstrap.com\/docs\/5.0\/examples\/#rtl\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">5 v\u00ed d\u1ee5 RTL m\u1edbi<\/span><\/a><span style=\"font-weight: 400;\">, hi\u1ec3n th\u1ecb c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a CSS RTL khi chuy\u1ec3n c\u00e1c v\u00ed d\u1ee5 Album, Checkout, Carousel, Blog v\u00e0 Dashboard sang phi\u00ean b\u1ea3n h\u1ed7 tr\u1ee3 h\u01b0\u1edbng t\u1eeb ph\u1ea3i sang tr\u00e1i.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Th\u00eam 2 trang cheatsheet t\u1ed5ng h\u1ee3p m\u1edbi:\u00a0 m\u1ed9t trang cho <\/span><a href=\"https:\/\/getbootstrap.com\/docs\/5.0\/examples\/cheatsheet\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CSS chu\u1ea9n<\/span><\/a><span style=\"font-weight: 400;\"> v\u00e0 m\u1ed9t trang cho <\/span><a href=\"https:\/\/getbootstrap.com\/docs\/5.0\/examples\/cheatsheet-rtl\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CSS RTL<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n\n\n\n<p><i><span style=\"font-weight: 400;\">(*) RTL (Right-to-Left) c\u00f3 ngh\u0129a l\u00e0 h\u01b0\u1edbng hi\u1ec3n th\u1ecb n\u1ed9i dung t\u1eeb ph\u1ea3i sang tr\u00e1i tr\u00ean giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng. \u0110\u00e2y l\u00e0 c\u00e1ch tr\u00ecnh b\u00e0y b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00f4n ng\u1eef s\u1eed d\u1ee5ng ch\u1eef vi\u1ebft t\u1eeb ph\u1ea3i sang tr\u00e1i nh\u01b0: Ti\u1ebfng \u1ea2 R\u1eadp (Arabic), Ti\u1ebfng Do Th\u00e1i (Hebrew), Ti\u1ebfng Ba T\u01b0 (Persian),&#8230;<\/span><\/i><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-m\u1edf-r\u1ed9ng-h\u1ec7-th\u1ed1ng-b\u1ea3ng-mau\"><b>M\u1edf r\u1ed9ng h\u1ec7 th\u1ed1ng b\u1ea3ng m\u00e0u<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 \u0111\u00e3 m\u1edf r\u1ed9ng b\u1ea3ng m\u00e0u v\u1edbi nhi\u1ec1u m\u00e0u s\u1eafc phong ph\u00fa \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n, gi\u00fap ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00f9y ch\u1ec9nh giao di\u1ec7n c\u1ee7a \u1ee9ng d\u1ee5ng ngay trong ph\u1ea7n code m\u00e0 kh\u00f4ng c\u1ea7n x\u1eed l\u00fd b\u00ean ngo\u00e0i.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ed3ng th\u1eddi, Bootstrap c\u0169ng \u0111\u00e3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng ph\u1ea3n m\u00e0u s\u1eafc v\u00e0 th\u1eadm ch\u00ed cung c\u1ea5p ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u trong ph\u1ea7n t\u00e0i li\u1ec7u Color, gi\u00fap c\u00e1c website s\u1eed d\u1ee5ng Bootstrap th\u00e2n thi\u1ec7n v\u00e0 d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n v\u1edbi t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-5-vippro.png\" alt=\"bootstrap 5 - itviec blog\" class=\"wp-image-85380\"\/><\/figure>\n\n\n\n<p><b>M\u1ed9t s\u1ed1 thay \u0111\u1ed5i ti\u1ec7n \u00edch kh\u00e1c<\/b><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Th\u00eam ti\u1ec7n \u00edch \u0111\u1ecbnh v\u1ecb (positioning): <\/span><b>top, right, bottom, left<\/b><span style=\"font-weight: 400;\"> v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb <\/span><b>0, 50%<\/b><span style=\"font-weight: 400;\">, v\u00e0 <\/span><b>100% <\/b><span style=\"font-weight: 400;\">gi\u00fap c\u0103n ch\u1ec9nh ph\u1ea7n t\u1eed d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Th\u00eam t\u00f9y ch\u1ecdn <\/span><b>.d-grid<\/b><span style=\"font-weight: 400;\"> c\u00f9ng v\u1edbi c\u00e1c ti\u1ec7n \u00edch <\/span><b>gap<\/b><span style=\"font-weight: 400;\"> m\u1edbi h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng layout d\u1ea1ng grid nhanh ch\u00f3ng v\u00e0 linh ho\u1ea1t.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Th\u00eam<\/span><b> .fs-*<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc font ch\u1eef tr\u1ef1c ti\u1ebfp.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">\u0110\u1ed5i t\u00ean <\/span><b>font-weight<\/b><span style=\"font-weight: 400;\"> th\u00e0nh <\/span><b>.fw-*<\/b><span style=\"font-weight: 400;\"> \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Th\u00eam c\u00e1c class bo tr\u00f2n m\u1edbi <\/span><b>.rounded-1, .rounded-2, .rounded-3<\/b><span style=\"font-weight: 400;\"> t\u01b0\u01a1ng \u1ee9ng v\u1edbi bo g\u00f3c nh\u1ecf, v\u1eeba v\u00e0 l\u1edbn.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Th\u00eam class <\/span><b>.overflow-visible <\/b><span style=\"font-weight: 400;\">v\u00e0 <\/span><b>.overflow-scroll<\/b><span style=\"font-weight: 400;\"> gi\u00fap ki\u1ec3m so\u00e1t hi\u1ec3n th\u1ecb ph\u1ea7n tr\u00e0n n\u1ed9i dung d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-nh\u1eefng-n\u1ed9i-dung-b\u1ecb-lo\u1ea1i-b\u1ecf-\u1edf-bootstrap-5\"><span class=\"ez-toc-section\" id=\"Nhung_noi_dung_bi_loai_bo_o_Bootstrap_5\"><\/span><b>Nh\u1eefng n\u1ed9i dung b\u1ecb lo\u1ea1i b\u1ecf \u1edf Bootstrap 5<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lo\u1ea1i-b\u1ecf-hoan-toan-jquery-va-chuy\u1ec3n-sang-vanilla-javascript\"><b>Lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n jQuery v\u00e0 chuy\u1ec3n sang Vanilla JavaScript<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc \u0111\u00e2y, c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 modals, tooltips, popovers c\u1ee7a Bootstrap ph\u1ee5 thu\u1ed9c v\u00e0o jQuery v\u00e0 th\u01b0 vi\u1ec7n popper.js. Trong phi\u00ean b\u1ea3n n\u00e0y, Bootstrap \u0111\u00e3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n jQuery, thay v\u00e0o \u0111\u00f3 s\u1eed d\u1ee5ng thu\u1ea7n JavaScript (Vanilla JavaScript).&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 jQuery \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Bootstrap h\u01a1n 8 n\u0103m, nh\u01b0ng nhi\u1ec1u nh\u00e0 ph\u00e1t tri\u1ec3n g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 l\u00e0 jQuery khi\u1ebfn h\u1ecd kh\u00f3 ti\u1ebfp c\u1eadn th\u1ed1ng nh\u1ea5t v\u1edbi c\u00e1c h\u00e0nh vi JavaScript ph\u1ee9c t\u1ea1p. Vi\u1ec7c lo\u1ea1i b\u1ecf jQuery gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 k\u00edch th\u01b0\u1edbc t\u1eadp tin, c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 t\u1ea3i trang, v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng, ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ng\u1eebng-h\u1ed7-tr\u1ee3-trinh-duy\u1ec7t-l\u1ed7i-th\u1eddi\"><b>Ng\u1eebng h\u1ed7 tr\u1ee3 tr\u00ecnh duy\u1ec7t l\u1ed7i th\u1eddi<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">C\u00e1c tr\u00ecnh duy\u1ec7t phi\u00ean b\u1ea3n c\u0169 nh\u01b0 Internet Explorer 10, 11 ho\u1eb7c c\u00e1c phi\u00ean b\u1ea3n Firefox, Safari, Chrome c\u0169 kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c t\u00ednh n\u0103ng, API v\u00e0 ti\u00eau chu\u1ea9n JavaScript, CSS m\u1edbi (nh\u01b0 Flexbox, CSS Grid, ES6+). \u0110i\u1ec1u n\u00e0y g\u00e2y kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c t\u00ednh n\u0103ng hi\u1ec7n \u0111\u1ea1i v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t.&nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Trong phi\u00ean b\u1ea3n 5, Bootstrap \u0111\u00e3 ng\u1eebng h\u1ed7 tr\u1ee3 c\u00e1c tr\u00ecnh duy\u1ec7t c\u00f3 phi\u00ean b\u1ea3n l\u1ed7i th\u1eddi nh\u01b0:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Microsoft Edge Legacy<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Internet Explorer 10 v\u00e0 11<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n Firefox &lt; 60<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n Safari &lt; 10<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n iOS Safari &lt; 10<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n Chrome &lt; 60<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n Android &lt; 6<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-d\u01a1n-gi\u1ea3n-hoa-b\u1ed1-c\u1ee5c\"><b>\u0110\u01a1n gi\u1ea3n h\u00f3a b\u1ed1 c\u1ee5c<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">V\u1edbi c\u00e1c c\u1eadp nh\u1eadt m\u1edbi c\u1ee7a h\u1ec7 th\u1ed1ng l\u01b0\u1edbi (grid system), vi\u1ec7c thi\u1ebft k\u1ebf b\u1ed1 c\u1ee5c cho form gi\u1edd \u0111\u00e2y tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n bao gi\u1edd h\u1ebft. Bootstrap 5 \u0111\u00e3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c class c\u0169 nh\u01b0 .form-group, .form-row v\u00e0 .form-inline, thay v\u00e0o \u0111\u00f3, b\u1ea1n ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp grid system \u0111\u1ec3 x\u00e2y d\u1ef1ng form m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 g\u1ecdn g\u00e0ng h\u01a1n.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1610\" height=\"622\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-6-vippro.png\" alt=\"bootstrap 5 - itviec blog\" class=\"wp-image-85381\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-6-vippro.png 1610w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-6-vippro-300x116.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-6-vippro-1536x593.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-6-vippro-200x77.png 200w\" sizes=\"auto, (max-width: 1610px) 100vw, 1610px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-so-sanh-bootstrap-5-v\u1edbi-cac-phien-b\u1ea3n-tr\u01b0\u1edbc-do\"><span class=\"ez-toc-section\" id=\"So_sanh_Bootstrap_5_voi_cac_phien_ban_truoc_do\"><\/span><b>So s\u00e1nh Bootstrap 5 v\u1edbi c\u00e1c phi\u00ean b\u1ea3n tr\u01b0\u1edbc \u0111\u00f3<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>Ti\u00eau ch\u00ed<\/b><\/td><td><b>Bootstrap 3<\/b><\/td><td><b>Bootstrap 4<\/b><\/td><td><b>Bootstrap 5<\/b><\/td><\/tr><tr><td><b>Ph\u1ee5 thu\u1ed9c v\u00e0o jQuery<\/b><\/td><td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3<\/span><\/td><td><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n jQuery &#8211; d\u00f9ng JavaScript thu\u1ea7n (Vanilla JS)<\/span><\/td><\/tr><tr><td><b>Grid System<\/b><\/td><td><span style=\"font-weight: 400;\">12 c\u1ed9t, d\u00f9ng Float<\/span><\/td><td><span style=\"font-weight: 400;\">Flexbox<\/span><\/td><td><span style=\"font-weight: 400;\">Flexbox, th\u00eam grid h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd<\/span><\/td><\/tr><tr><td><b>Form Design<\/b><\/td><td><span style=\"font-weight: 400;\">\u0110\u01a1n gi\u1ea3n, \u00edt t\u00f9y bi\u1ebfn<\/span><\/td><td><span style=\"font-weight: 400;\">C\u00f3 custom forms<\/span><\/td><td><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf l\u1ea1i ho\u00e0n to\u00e0n form, lo\u1ea1i b\u1ecf <\/span><b>.form-group, .form-row, .form-inline<\/b><\/td><\/tr><tr><td><b>Floating Labels<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng<\/span><\/td><td><span style=\"font-weight: 400;\">Th\u00eam Floating Labels h\u1ed7 tr\u1ee3 input, select, textarea<\/span><\/td><\/tr><tr><td><b>H\u1ec7 th\u1ed1ng Icon<\/b><\/td><td><span style=\"font-weight: 400;\">Glyphicons<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng s\u1eed d\u1ee5ng icons ri\u00eang<\/span><\/td><td><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n bootstrap icons<\/span><\/td><\/tr><tr><td><b>Tr\u00ecnh duy\u1ec7t h\u1ed7 tr\u1ee3<\/b><\/td><td><span style=\"font-weight: 400;\">IE8+ tr\u1edf l\u00ean<\/span><\/td><td><span style=\"font-weight: 400;\">IE10+ tr\u1edf l\u00ean<\/span><\/td><td><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ecf IE10, IE11, Edge Legacy, Chrome &lt;60, Firefox &lt;60<\/span><\/td><\/tr><tr><td><b>H\u1ed7 tr\u1ee3 RTL<\/b><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng<\/span><\/td><td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 RTL (Right-to-Left) cho c\u00e1c ng\u00f4n ng\u1eef \u1ea2 R\u1eadp, Do Th\u00e1i,&#8230;<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cach-cai-d\u1eb7t-bootstrap-5\"><span class=\"ez-toc-section\" id=\"Cach_cai_dat_Bootstrap_5\"><\/span><b>C\u00e1ch c\u00e0i \u0111\u1eb7t Bootstrap 5<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 c\u00e0i \u0111\u1eb7t Bootstrap 5 v\u00e0o d\u1ef1 \u00e1n web, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t trong nh\u1eefng c\u00e1ch sau:<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cai-d\u1eb7t-b\u1eb1ng-cdn-nbsp\"><b>C\u00e0i \u0111\u1eb7t b\u1eb1ng CDN<\/b><span style=\"font-weight: 400;\">:&nbsp;<\/span><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 c\u00e1ch l\u00e0m nhanh ch\u00f3ng v\u00e0 d\u1ec5 nh\u1ea5t. Ch\u1ec9 c\u1ea7n th\u00eam tr\u1ef1c ti\u1ebfp c\u00e1c link CDN CSS v\u00e0 JS c\u1ee7a Bootstrap 5 v\u00e0o file HTML c\u1ee7a b\u1ea1n:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">link<\/span><span style=\"font-weight: 400;\"> href=<\/span><span style=\"font-weight: 400;\">\"https:\/\/cdn.jsdelivr.net\/npm\/bootstrap@5.0.2\/dist\/css\/bootstrap.min.css\"<\/span><span style=\"font-weight: 400;\"> rel=<\/span><span style=\"font-weight: 400;\">\"stylesheet\"<\/span><span style=\"font-weight: 400;\"> integrity=<\/span><span style=\"font-weight: 400;\">\"sha384-EVSTQN3\/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC\"<\/span><span style=\"font-weight: 400;\"> crossorigin=<\/span><span style=\"font-weight: 400;\">\"anonymous\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">script<\/span><span style=\"font-weight: 400;\"> src=<\/span><span style=\"font-weight: 400;\">\"https:\/\/cdn.jsdelivr.net\/npm\/bootstrap@5.0.2\/dist\/js\/bootstrap.bundle.min.js\"<\/span><span style=\"font-weight: 400;\"> integrity=<\/span><span style=\"font-weight: 400;\">\"sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn\/tWtIaxVXM\"<\/span><span style=\"font-weight: 400;\"> crossorigin=<\/span><span style=\"font-weight: 400;\">\"anonymous\"<\/span><span style=\"font-weight: 400;\">&gt;&lt;\/<\/span><span style=\"font-weight: 400;\">script<\/span><span style=\"font-weight: 400;\">&gt;<\/span><\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>\u0110\u1ecdc th\u00eam: <a href=\"\/blog\/bootstrap-cdn-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Bootstrap CDN: C\u00e1ch t\u00edch h\u1ee3p nhanh Bootstrap v\u00e0o d\u1ef1 \u00e1n<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-t\u1ea3i-v\u1ec1-file-css-js-th\u1ee7-cong\"><b>T\u1ea3i v\u1ec1 file CSS\/JS th\u1ee7 c\u00f4ng<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp <\/span><a href=\"https:\/\/getbootstrap.com\/docs\/5.0\/getting-started\/download\/#compiled-css-and-js\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Getbootstrap<\/span><\/a><span style=\"font-weight: 400;\"> \u0111\u1ec3 t\u1ea3i v\u1ec1 c\u00e1c g\u00f3i CSS\/JS \u0111\u00e3 bi\u00ean d\u1ecbch c\u1ee7a Bootstrap 5 v\u00e0 \u0111\u01b0a ch\u00fang v\u00e0o th\u01b0 m\u1ee5c d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Sau \u0111\u00f3 khai b\u00e1o \u0111\u01b0\u1eddng d\u1eabn v\u00e0o file HTML:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">link<\/span><span style=\"font-weight: 400;\"> rel=<\/span><span style=\"font-weight: 400;\">\"stylesheet\"<\/span><span style=\"font-weight: 400;\"> href=<\/span><span style=\"font-weight: 400;\">\"path-to-your-folder\/bootstrap.min.css\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span>\n<span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">script<\/span><span style=\"font-weight: 400;\"> src=<\/span><span style=\"font-weight: 400;\">\"path-to-your-folder\/bootstrap.bundle.min.js\"<\/span><span style=\"font-weight: 400;\">&gt;&lt;\/<\/span><span style=\"font-weight: 400;\">script<\/span><span style=\"font-weight: 400;\">&gt;<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cai-d\u1eb7t-thong-qua-cac-trinh-qu\u1ea3n-ly-goi\"><b>C\u00e0i \u0111\u1eb7t th\u00f4ng qua c\u00e1c tr\u00ecnh qu\u1ea3n l\u00fd g\u00f3i<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 k\u00e9o (Pull) c\u00e1c file ngu\u1ed3n c\u1ee7a Bootstrap v\u00e0o h\u1ea7u h\u1ebft m\u1ecdi d\u1ef1 \u00e1n th\u00f4ng qua c\u00e1c tr\u00ecnh qu\u1ea3n l\u00fd g\u00f3i ph\u1ed5 bi\u1ebfn nh\u01b0 <\/span><b>npm<\/b><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><b>yarn<\/b><span style=\"font-weight: 400;\">. Tuy nhi\u00ean, d\u00f9 b\u1ea1n s\u1eed d\u1ee5ng tr\u00ecnh qu\u1ea3n l\u00fd g\u00f3i n\u00e0o, \u0111\u1ec3 build ra phi\u00ean b\u1ea3n CSS gi\u1ed1ng v\u1edbi b\u1ea3n ch\u00ednh th\u1ee9c c\u1ee7a Bootstrap, b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 tr\u00ecnh bi\u00ean d\u1ecbch Sass (Sass compiler) v\u00e0 Autoprefixer.<\/span><\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">Npm:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npm install bootstrap<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Yarn:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">yarn add bootstrap<\/span><\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><span style=\"font-weight: 400;\">Xem chi ti\u1ebft <strong><a href=\"https:\/\/itviec.com\/blog\/bootstrap-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t Bootstrap<\/a><\/strong>.<\/span><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-lam-sao-d\u1ec3-nang-c\u1ea5p-t\u1eeb-bootstrap-4-len-bootstrap-5\"><span class=\"ez-toc-section\" id=\"Lam_sao_de_nang_cap_tu_Bootstrap_4_len_Bootstrap_5\"><\/span><b>L\u00e0m sao \u0111\u1ec3 n\u00e2ng c\u1ea5p t\u1eeb Bootstrap 4 l\u00ean Bootstrap 5?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n v5 \u0111\u00e1nh d\u1ea5u nhi\u1ec1u s\u1ef1 thay \u0111\u1ed5i l\u1edbn c\u1ee7a Bootstrap. V\u00ec v\u1eady vi\u1ec7c n\u00e2ng c\u1ea5p t\u1eeb phi\u00ean b\u1ea3n Bootstrap 4 l\u00ean Bootstrap 5 c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n n\u00e2ng c\u1ea5p l\u00ean phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a Bootstrap:<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-sao-l\u01b0u-d\u1ef1-an\"><b>Sao l\u01b0u d\u1ef1 \u00e1n<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh Rollback n\u1ebfu vi\u1ec7c n\u00e2ng c\u1ea5p kh\u00f4ng th\u00e0nh c\u00f4ng, tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o, h\u00e3y sao l\u01b0u to\u00e0n b\u1ed9 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-c\u1eadp-nh\u1eadt-th\u01b0-vi\u1ec7n-bootstrap\"><b>C\u1eadp nh\u1eadt th\u01b0 vi\u1ec7n Bootstrap<\/b><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Thay th\u1ebf c\u00e1c t\u1eadp tin CSS\/JS c\u1ee7a Bootstrap 4 b\u1eb1ng c\u00e1c t\u1ec7p Bootstrap 5.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng CDN, h\u00e3y thay th\u1ebf c\u00e1c \u0111\u01b0\u1eddng d\u1eabn CDN CSS\/JS c\u1ee7a Bootstrap 5.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng tr\u00ecnh qu\u1ea3n l\u00fd g\u00f3i, h\u00e3y th\u1ef1c hi\u1ec7n g\u1ee1 g\u00f3i Bootstrap 4 v\u00e0 C\u00e0i \u0111\u1eb7t l\u1ea1i g\u00f3i Bootstrap 5<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">npm:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npm uninstall bootstrap (G\u1ee1 c\u00e0i \u0111\u1eb7t Bootstrap 4)<\/span>\n<span style=\"font-weight: 400;\">npm install bootstrap@latest (C\u00e0i \u0111\u1eb7t Bootstrap 5 m\u1edbi nh\u1ea5t)<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Yarn:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">yarn remove bootstrap (G\u1ee1 c\u00e0i \u0111\u1eb7t Bootstrap 4)<\/span>\n<span style=\"font-weight: 400;\">yarn add bootstrap@latest (C\u00e0i \u0111\u1eb7t Bootstrap 5 m\u1edbi nh\u1ea5t)<\/span><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-c\u1eadp-nh\u1eadt-l\u1ea1i-ma-ngu\u1ed3n\"><b>C\u1eadp nh\u1eadt l\u1ea1i m\u00e3 ngu\u1ed3n<\/b><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ecf tham chi\u1ebfu jQuery: N\u1ebfu b\u1ea1n c\u00f3 m\u00e3 JavaScript s\u1eed d\u1ee5ng jQuery, h\u00e3y vi\u1ebft l\u1ea1i n\u00f3 b\u1eb1ng JavaScript thu\u1ea7n t\u00fay.<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt c\u00e1c l\u1edbp CSS: Ki\u1ec3m tra v\u00e0 c\u1eadp nh\u1eadt c\u00e1c l\u1edbp CSS trong m\u00e3 HTML c\u1ee7a b\u1ea1n \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi Bootstrap 5. L\u01b0u \u00fd v\u1ec1 nh\u1eefng th\u00e0nh ph\u1ea7n class \u0111\u01b0\u1ee3c thay \u0111\u1ed5i ho\u1eb7c b\u1ecb lo\u1ea1i b\u1ecf trong Bootstrap 5 nh\u01b0 h\u1ec7 th\u1ed1ng Grid, c\u00e1c th\u00e0nh ph\u1ea7n trong form, c\u00e1c class responsive, CSS variables,&#8230;<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n JavaScript: Ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n JavaScript c\u1ee7a Bootstrap (v\u00ed d\u1ee5: modal, dropdown) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c sau khi n\u00e2ng c\u1ea5p.<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-ch\u1ea1y-ki\u1ec3m-tra-toan-b\u1ed9-giao-di\u1ec7n\"><b>Ch\u1ea1y ki\u1ec3m tra to\u00e0n b\u1ed9 giao di\u1ec7n<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Sau khi ho\u00e0n t\u1ea5t c\u1eadp nh\u1eadt, h\u00e3y ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng trang web c\u1ee7a b\u1ea1n tr\u00ean nhi\u1ec1u tr\u00ecnh duy\u1ec7t v\u00e0 thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi th\u1ee9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-th\u01b0\u1eddng-g\u1eb7p-v\u1ec1-bootstrap-5\"><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_Bootstrap_5\"><\/span><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Bootstrap 5<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-phien-b\u1ea3n-m\u1edbi-nh\u1ea5t-c\u1ee7a-bootstrap-5-la-gi\"><b>Phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a Bootstrap 5 l\u00e0 g\u00ec?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a Bootstrap 5 t\u00ednh \u0111\u1ebfn ng\u00e0y ph\u00e1t h\u00e0nh b\u00e0i vi\u1ebft n\u00e0y l\u00e0 <\/span><b>5.3.3<\/b><span style=\"font-weight: 400;\">. B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra th\u00f4ng tin ch\u00ednh th\u1ee9c tr\u00ean <\/span><a href=\"https:\/\/getbootstrap.com\/docs\/versions\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">trang web c\u1ee7a Bootstrap<\/span><\/a><span style=\"font-weight: 400;\"> ho\u1eb7c <\/span><a href=\"https:\/\/github.com\/twbs\/bootstrap\/releases\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">GitHub<\/span><\/a><span style=\"font-weight: 400;\"> c\u1ee7a d\u1ef1 \u00e1n \u0111\u1ec3 theo d\u00f5i nh\u1eefng b\u1ea3n c\u1eadp nh\u1eadt m\u1edbi h\u01a1n sau th\u1eddi \u0111i\u1ec3m n\u00e0y.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"827\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-7-vippro.jpg\" alt=\"bootstrap 5 - itviec blog\" class=\"wp-image-85382\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-7-vippro.jpg 1600w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-7-vippro-300x155.jpg 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-7-vippro-1536x794.jpg 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/03\/bootstrap-5-7-vippro-200x103.jpg 200w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-bootstrap-5-co-h\u1ed7-tr\u1ee3-tren-m\u1ecdi-trinh-duy\u1ec7t-khong\"><b>Bootstrap 5 c\u00f3 h\u1ed7 tr\u1ee3 tr\u00ean m\u1ecdi tr\u00ecnh duy\u1ec7t kh\u00f4ng?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 kh\u00f4ng h\u1ed7 tr\u1ee3 ho\u00e0n to\u00e0n tr\u00ean m\u1ecdi tr\u00ecnh duy\u1ec7t, nh\u01b0ng n\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t. Danh s\u00e1ch tr\u00ecnh duy\u1ec7t \u0111\u01b0\u1ee3c Bootstrap 5 h\u1ed7 tr\u1ee3:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Chrome (phi\u00ean b\u1ea3n m\u1edbi, Chromium-based browsers)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Firefox (t\u1eeb phi\u00ean b\u1ea3n 60 tr\u1edf l\u00ean)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Safari (t\u1eeb phi\u00ean b\u1ea3n 10 tr\u1edf l\u00ean)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Microsoft Edge (ch\u1ec9 h\u1ed7 tr\u1ee3 Edge Chromium, b\u1ecf Edge Legacy)<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Opera<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Tr\u00ecnh duy\u1ec7t tr\u00ean iOS, Android m\u1edbi<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cach-ki\u1ec3m-tra-phien-b\u1ea3n-bootstrap-hi\u1ec7n-t\u1ea1i-trong-d\u1ef1-an\"><b>C\u00e1ch ki\u1ec3m tra phi\u00ean b\u1ea3n Bootstrap hi\u1ec7n t\u1ea1i trong d\u1ef1 \u00e1n?<\/b><\/h3>\n\n\n\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c ki\u1ec3m tra phi\u00ean b\u1ea3n Bootstrap hi\u1ec7n t\u1ea1i trong d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n s\u1ebd t\u00f9y thu\u1ed9c v\u00e0o c\u00e1ch b\u1ea1n t\u00edch h\u1ee3p Bootstrap (qua CDN, npm, ho\u1eb7c t\u1ea3i th\u1ee7 c\u00f4ng). D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Ki\u1ec3m tra tr\u1ef1c ti\u1ebfp m\u00e3 ngu\u1ed3n HTML (n\u1ebfu d\u00f9ng CDN)<\/b><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng Bootstrap qua CDN, h\u00e3y m\u1edf file HTML v\u00e0 t\u00ecm d\u00f2ng li\u00ean k\u1ebft \u0111\u1ebfn Bootstrap CSS ho\u1eb7c JS. V\u00ed d\u1ee5:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">&lt;<\/span><span style=\"font-weight: 400;\">link<\/span><span style=\"font-weight: 400;\"> href=<\/span><span style=\"font-weight: 400;\">\"https:\/\/cdn.jsdelivr.net\/npm\/bootstrap@5.3.3\/dist\/css\/bootstrap.min.css\"<\/span><span style=\"font-weight: 400;\"> rel=<\/span><span style=\"font-weight: 400;\">\"stylesheet\"<\/span><span style=\"font-weight: 400;\">&gt;<\/span><\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Phi\u00ean b\u1ea3n s\u1ebd \u0111\u01b0\u1ee3c ghi r\u00f5 trong URL, \u1edf \u0111\u00e2y l\u00e0 5.3.3.<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Ki\u1ec3m tra trong file package.json (n\u1ebfu d\u00f9ng npm\/yarn)<\/b><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n c\u00e0i Bootstrap qua npm ho\u1eb7c yarn, m\u1edf file package.json trong d\u1ef1 \u00e1n v\u00e0 t\u00ecm d\u00f2ng li\u00ean quan \u0111\u1ebfn Bootstrap:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"dependencies\": {\n&nbsp;&nbsp;&nbsp;\"bootstrap\": \"^5.3.3\"\n}<\/code><\/pre>\n\n\n\n<p><span style=\"font-weight: 400;\">Ho\u1eb7c \u0111\u1ec3 x\u00e1c nh\u1eadn phi\u00ean b\u1ea3n th\u1ef1c t\u1ebf \u0111\u00e3 c\u00e0i, ch\u1ea1y l\u1ec7nh sau trong terminal:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">npm list bootstrap<\/span><\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Ki\u1ec3m tra trong file Bootstrap \u0111\u00e3 t\u1ea3i v\u1ec1<\/b><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n t\u1ea3i Bootstrap th\u1ee7 c\u00f4ng v\u00e0 th\u00eam v\u00e0o d\u1ef1 \u00e1n, h\u00e3y m\u1edf file bootstrap.min.css ho\u1eb7c bootstrap.min.js trong th\u01b0 m\u1ee5c dist. T\u00ecm d\u00f2ng \u0111\u1ea7u ti\u00ean (th\u01b0\u1eddng l\u00e0 comment) c\u00f3 n\u1ed9i dung t\u01b0\u01a1ng t\u1ef1 nh\u01b0:<\/span><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span style=\"font-weight: 400;\">\/*!<\/span>\n<span style=\"font-weight: 400;\"> * Bootstrap v5.3.3 (https:\/\/getbootstrap.com\/)<\/span>\n<span style=\"font-weight: 400;\"> * Copyright 2011-2023 The Bootstrap Authors<\/span>\n<span style=\"font-weight: 400;\"> *\/<\/span><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft\"><span class=\"ez-toc-section\" id=\"Tong_Ket\"><\/span><b>T\u1ed5ng K\u1ebft<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><span style=\"font-weight: 400;\">Bootstrap 5 mang \u0111\u1ebfn nhi\u1ec1u thay \u0111\u1ed5i n\u1ed5i b\u1eadt nh\u01b0 lo\u1ea1i b\u1ecf jQuery, h\u1ed7 tr\u1ee3 JavaScript thu\u1ea7n, n\u00e2ng c\u1ea5p form, b\u1ed5 sung icon SVG v\u00e0 h\u1ed7 tr\u1ee3 RTL. Phi\u00ean b\u1ea3n m\u1edbi n\u00e0y gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t, d\u1ec5 t\u00f9y bi\u1ebfn v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Qua b\u00e0i vi\u1ebft n\u00e0y, ITviec hy v\u1ecdng \u0111\u00e3 gi\u00fap b\u1ea1n n\u1eafm r\u00f5 nh\u1eefng thay \u0111\u1ed5i n\u1ed5i b\u1eadt c\u1ee7a Bootstrap 5, bi\u1ebft c\u00e1ch c\u00e0i \u0111\u1eb7t v\u00e0 n\u00e2ng c\u1ea5p hi\u1ec7u qu\u1ea3 cho d\u1ef1 \u00e1n.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bootstrap t\u1eeb l\u00e2u \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 quen thu\u1ed9c v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean Front-end nh\u1edd kh\u1ea3 n\u0103ng x\u00e2y d\u1ef1ng nhanh giao di\u1ec7n web \u0111\u1eb9p m\u1eaft v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u1ecdi thi\u1ebft b\u1ecb. \u1ede Bootstrap 5, framework n\u00e0y \u0111\u00e3 c\u00f3 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn, thay \u0111\u1ed5i to\u00e0n di\u1ec7n [&hellip;]<\/p>\n","protected":false},"author":235,"featured_media":85383,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-85366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Bootstrap 5 l\u00e0 g\u00ec? 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