{"id":88925,"date":"2025-07-06T00:21:11","date_gmt":"2025-07-05T17:21:11","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=88925"},"modified":"2025-07-06T00:21:13","modified_gmt":"2025-07-05T17:21:13","slug":"jquery-validate-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/","title":{"rendered":"jQuery validate: H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra form v\u1edbi jQuery Validation"},"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\/jquery-validate-la-gi\/#jQuery_Validate_la_gi\" >jQuery Validate 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\/jquery-validate-la-gi\/#Tai_sao_can_su_dung_plugin_jQuery_validate_trong_lap_trinh_web\" >T\u1ea1i sao c\u1ea7n s\u1eed d\u1ee5ng plugin jQuery validate trong l\u1eadp tr\u00ecnh web?<\/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\/jquery-validate-la-gi\/#5_buoc_trien_khai_xac_thuc_bieu_mau_bang_jQuery\" >5 b\u01b0\u1edbc tri\u1ec3n khai x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu b\u1eb1ng jQuery<\/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\/jquery-validate-la-gi\/#Mot_so_quy_tac_xac_thuc_jQuery_validate\" >M\u1ed9t s\u1ed1 quy t\u1eafc x\u00e1c th\u1ef1c jQuery validate<\/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\/jquery-validate-la-gi\/#Cac_nguyen_tac_thuc_hanh_tot_nhat_khi_su_dung_jQuery_validation\" >C\u00e1c nguy\u00ean t\u1eafc th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t khi s\u1eed d\u1ee5ng jQuery validation<\/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\/jquery-validate-la-gi\/#Cau_hoi_thuong_gap_ve_jQuery_validate\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 jQuery validate<\/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\/jquery-validate-la-gi\/#Tong_ket_ve_jQuery_validate\" >T\u1ed5ng k\u1ebft v\u1ec1 jQuery validate<\/a><\/li><\/ul><\/nav><\/div>\n\n<p><strong><em>jQuery Validate, hay jQuery Validation, l\u00e0 m\u1ed9t plugin c\u1ee7a jQuery, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu (form validation) tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng web. V\u1edbi kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn cao, h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i ki\u1ec3m tra d\u1eef li\u1ec7u v\u00e0 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p, plugin n\u00e0y l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a nhi\u1ec1u l\u1eadp tr\u00ecnh vi\u00ean Front-end.<\/em><\/strong><\/p>\n\n\n\n<p>\u0110\u1ecdc b\u00e0i vi\u1ebft sau \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p chi ti\u1ebft h\u01a1n v\u1ec1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ed5ng quan v\u1ec1 plugin jQuery validation; t\u1ea1i sao c\u00f3 \u00edch trong l\u1eadp tr\u00ecnh web?<\/li>\n\n\n\n<li>C\u00e1c b\u01b0\u1edbc tri\u1ec3n khai x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu b\u1eb1ng jQuery<\/li>\n\n\n\n<li>C\u00e1c quy t\u1eafc x\u00e1c th\u1ef1c jQuery validate<\/li>\n\n\n\n<li>C\u00e1c nguy\u00ean t\u1eafc th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t khi s\u1eed d\u1ee5ng jQuery validation.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-jquery-validate-la-gi\"><span class=\"ez-toc-section\" id=\"jQuery_Validate_la_gi\"><\/span><strong>jQuery Validate l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>jQuery validation l\u00e0 m\u1ed9t plugin jQuery gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu (form validation) ph\u00eda client. V\u1edbi nhi\u1ec1u t\u00f9y ch\u1ecdn linh ho\u1ea1t, plugin n\u00e0y ph\u00f9 h\u1ee3p cho c\u1ea3 d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng m\u1edbi t\u1eeb \u0111\u1ea7u, l\u1eabn t\u00edch h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng \u0111\u00e3 s\u1eb5n c\u00f3 nhi\u1ec1u HTML c\u0169.<\/p>\n\n\n\n<p>HTML5 \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c thu\u1ed9c t\u00ednh x\u00e1c th\u1ef1c m\u1eb7c \u0111\u1ecbnh, cung c\u1ea5p m\u1ed9t m\u1ee9c x\u00e1c th\u1ef1c c\u01a1 b\u1ea3n cho bi\u1ec3u m\u1eabu. Tuy nhi\u00ean, c\u00e1c thu\u1ed9c t\u00ednh n\u00e0y v\u1eabn c\u00f2n kh\u00e1 h\u1ea1n ch\u1ebf. Khi th\u1ef1c hi\u1ec7n validate (x\u00e1c th\u1ef1c) bi\u1ec3u m\u1eabu b\u1eb1ng HTML5 kh\u00f4ng th\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p ho\u1eb7c ph\u1ea3n h\u1ed3i d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p>Do \u0111\u00f3, m\u1ed9t plugin c\u1ee7a jQuery l\u00e0 jQuery Validation, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n&nbsp; d\u00e0nh cho x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu (form validate), nh\u1eb1m kh\u1eafc ph\u1ee5c c\u00e1c h\u1ea1n ch\u1ebf tr\u00ean v\u1edbi b\u1ed9 t\u00ednh n\u0103ng phong ph\u00fa v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn m\u1ea1nh m\u1ebd.<\/p>\n\n\n\n<p>jQuery validation \u0111\u01b0\u1ee3c vi\u1ebft v\u00e0 duy tr\u00ec b\u1edfi J\u00f6rn Zaefferer \u2013 th\u00e0nh vi\u00ean trong nh\u00f3m ph\u00e1t tri\u1ec3n jQuery, l\u1eadp tr\u00ecnh vi\u00ean ch\u00ednh c\u1ee7a jQuery UI v\u00e0 ng\u01b0\u1eddi qu\u1ea3n l\u00fd d\u1ef1 \u00e1n QUnit. \u0110\u01b0\u1ee3c ra \u0111\u1eddi t\u1eeb n\u0103m 2006 &#8211; th\u1eddi k\u1ef3 \u0111\u1ea7u c\u1ee7a jQuery \u2013 jQuery validation \u0111\u00e3 li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, c\u1ea3i ti\u1ebfn cho \u0111\u1ebfn nay. Hi\u1ec7n t\u1ea1i, plugin \u0111\u00e3 c\u00f3 h\u01a1n 1.5 tri\u1ec7u l\u01b0\u1ee3t t\u1ea3i xu\u1ed1ng h\u00e0ng tu\u1ea7n tr\u00ean npm, cho th\u1ea5y s\u1ef1 ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i c\u1ee7a n\u00f3 trong c\u1ed9ng \u0111\u1ed3ng l\u1eadp tr\u00ecnh vi\u00ean.<\/p>\n\n\n\n<p>jQuery Validation \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n nhi\u1ec1u ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c h\u1eefu \u00edch nh\u01b0 x\u00e1c th\u1ef1c URL v\u00e0 email, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p API \u0111\u1ec3 b\u1ea1n d\u1ec5 d\u00e0ng x\u00e2y d\u1ef1ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c t\u00f9y ch\u1ec9nh. T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c m\u1eb7c \u0111\u1ecbnh \u0111\u1ec1u c\u00f3 th\u00f4ng b\u00e1o l\u1ed7i b\u1eb1ng ti\u1ebfng Anh v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 d\u1ecbch sang h\u01a1n 40 ng\u00f4n ng\u1eef kh\u00e1c, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng tri\u1ec3n khai trong c\u00e1c d\u1ef1 \u00e1n \u0111a ng\u00f4n ng\u1eef.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><em>Xem th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/jquery-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>jQuery l\u00e0 g\u00ec? Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 th\u01b0 vi\u1ec7n JavaScript<\/strong><\/a><\/em><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ea1i-sao-c\u1ea7n-s\u1eed-d\u1ee5ng-plugin-jquery-validate-trong-l\u1eadp-trinh-web\"><span class=\"ez-toc-section\" id=\"Tai_sao_can_su_dung_plugin_jQuery_validate_trong_lap_trinh_web\"><\/span><strong>T\u1ea1i sao c\u1ea7n s\u1eed d\u1ee5ng plugin jQuery validate trong l\u1eadp tr\u00ecnh web?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed9t s\u1ed1 \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a plugin jQuery Validation c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1eadp h\u1ee3p ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n: Th\u01b0 vi\u1ec7n h\u1ed7 tr\u1ee3 c\u00e1c quy t\u1eafc x\u00e1c th\u1ef1c ph\u1ed5 bi\u1ebfn nh\u01b0 required, email, url v\u00e0 c\u1ea3 nh\u1eefng quy t\u1eafc ph\u1ee9c t\u1ea1p h\u01a1n. \u0110i\u1ec1u n\u00e0y gi\u00fap l\u1eadp tr\u00ecnh vi\u00ean d\u1ec5 d\u00e0ng x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c cho nhi\u1ec1u lo\u1ea1i d\u1eef li\u1ec7u kh\u00e1c nhau.<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn cao: Cho ph\u00e9p t\u00f9y ch\u1ec9nh giao di\u1ec7n hi\u1ec3n th\u1ecb l\u1ed7i v\u00e0 \u0111\u00e1nh d\u1ea5u c\u00e1c tr\u01b0\u1eddng kh\u00f4ng h\u1ee3p l\u1ec7, \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng nh\u1ea5t qu\u00e1n v\u00e0 tr\u1ef1c quan h\u01a1n.<\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 x\u00e1c th\u1ef1c theo th\u1eddi gian th\u1ef1c (real-time validation): Plugin c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n validation ngay khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp li\u1ec7u, kh\u00f4ng c\u1ea7n ch\u1edd \u0111\u1ebfn khi g\u1eedi bi\u1ec3u m\u1eabu.<\/li>\n\n\n\n<li>M\u00e3 ngu\u1ed3n c\u1ee7a th\u01b0 vi\u1ec7n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho hi\u1ec7u su\u1ea5t, gi\u00fap qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c ph\u00eda client kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 t\u1ea3i trang hay hi\u1ec7u n\u0103ng t\u1ed5ng th\u1ec3.<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u lo\u1ea1i d\u1ef1 \u00e1n web kh\u00e1c nhau, t\u1eeb c\u00e1c bi\u1ec3u m\u1eabu \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn h\u1ec7 th\u1ed1ng nh\u1eadp li\u1ec7u ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-b\u01b0\u1edbc-tri\u1ec3n-khai-xac-th\u1ef1c-bi\u1ec3u-m\u1eabu-b\u1eb1ng-jquery\"><span class=\"ez-toc-section\" id=\"5_buoc_trien_khai_xac_thuc_bieu_mau_bang_jQuery\"><\/span><strong>5 b\u01b0\u1edbc tri\u1ec3n khai x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu b\u1eb1ng jQuery<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0 c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n \u0111\u1ec3 tri\u1ec3n khai x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu b\u1eb1ng jQuery, t\u1eeb kh\u1edfi t\u1ea1o plugin, c\u1ea5u h\u00ecnh c\u00e1c quy t\u1eafc x\u00e1c th\u1ef1c, cho \u0111\u1ebfn vi\u1ec7c t\u00f9y ch\u1ec9nh th\u00f4ng b\u00e1o l\u1ed7i v\u00e0 x\u1eed l\u00fd h\u00e0nh vi sau x\u00e1c th\u1ef1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-them-th\u01b0-vi\u1ec7n-jquery\"><strong>Th\u00eam th\u01b0 vi\u1ec7n jQuery<\/strong><\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc ti\u00ean, b\u1ea1n s\u1ebd c\u1ea7n t\u00edch h\u1ee3p th\u01b0 vi\u1ec7n jQuery v\u00e0o d\u1ef1 \u00e1n. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 jQuery 3.7.1 v\u00e0 c\u00e0i \u0111\u1eb7t jQuery th\u00f4ng qua m\u1ed9t trong c\u00e1c c\u00e1ch sau<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ea3i tr\u1ef1c ti\u1ebfp t\u1eeb trang ch\u1ee7 <a href=\"http:\/\/jquery.com\" target=\"_blank\" rel=\"noreferrer noopener\">jquery.com<\/a>.<\/li>\n\n\n\n<li>C\u00e0i \u0111\u1eb7t qua Bower: $ bower install jquery<\/li>\n\n\n\n<li>C\u00e0i \u0111\u1eb7t qua npm ho\u1eb7c yarn: $ npm install jquery ho\u1eb7c $ yarn add jquery<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t t\u1eeb CDN t\u01b0\u01a1ng th\u00edch v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<p>Sau khi t\u1ea3i xong, h\u00e3y t\u1ea1o m\u1ed9t t\u1ec7p HTML m\u1edbi t\u00ean l\u00e0 index.html, v\u00e0 nh\u00fang jQuery tr\u01b0\u1edbc th\u1ebb &lt;\/body&gt; \u0111\u00f3ng nh\u01b0 sau:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jquery\/3.7.1\/jquery.min.js\"&gt;&lt;\/script&gt;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-them-plugin-jquery-validation\"><strong>Th\u00eam plugin jQuery Validation<\/strong><\/h3>\n\n\n\n<p>Plugin jQuery Validation m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a jQuery v\u1edbi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n, gi\u00fap x\u1eed l\u00fd x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ea3i tr\u1ef1c ti\u1ebfp t\u1eeb GitHub c\u1ee7a plugin.<\/li>\n\n\n\n<li>C\u00e0i \u0111\u1eb7t qua Bower: <code>$ bower install jquery-validation<\/code><\/li>\n\n\n\n<li>C\u00e0i \u0111\u1eb7t qua npm: <code>$ npm i jquery-validation<\/code><\/li>\n\n\n\n<li>C\u00e0i \u0111\u1eb7t qua NuGet (cho .NET): <code>Install-Package jQuery.Validation<\/code><\/li>\n\n\n\n<li>Ho\u1eb7c s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n CDN t\u01b0\u01a1ng th\u00edch m\u1edbi nh\u1ea5t.<\/li>\n<\/ul>\n\n\n\n<p>Sau khi c\u00e0i \u0111\u1eb7t, b\u1ea1n c\u1ea7n nh\u00fang plugin sau khi \u0111\u00e3 nh\u00fang jQuery, v\u00ed d\u1ee5:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;!-- Thay \u0111\u1ed5i \u0111\u01b0\u1eddng d\u1eabn \"src\" t\u00f9y theo v\u1ecb tr\u00ed c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ea1n -->\n&lt;script src=\"vendor\/jquery-validation\/dist\/jquery.validate.min.js\">&lt;\/script><\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-t\u1ea1o-file-html\"><strong>T\u1ea1o file HTML<\/strong><\/h3>\n\n\n\n<p>B\u1ea1n s\u1ebd t\u1ea1o m\u1ed9t bi\u1ec3u m\u1eabu \u0111\u0103ng k\u00fd (registration form) bao g\u1ed3m c\u00e1c th\u00f4ng tin c\u01a1 b\u1ea3n sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ecd<\/li>\n\n\n\n<li>T\u00ean<\/li>\n\n\n\n<li>Email<\/li>\n\n\n\n<li>M\u1eadt kh\u1ea9u<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;div class=\"container\">\n\n\u00a0\u00a0&lt;h2>Registration&lt;\/h2>\n\n\u00a0\u00a0&lt;form id=\"registration-form\" action=\"\" method=\"post\" name=\"registration\">\n\u00a0\u00a0\u00a0\u00a0&lt;label for=\"firstname\">First Name&lt;\/label>\n\u00a0\u00a0\u00a0\u00a0&lt;input type=\"text\" name=\"firstname\" id=\"firstname\" placeholder=\"John\"\/>\n\u00a0\u00a0\u00a0\u00a0&lt;label for=\"lastname\">Last Name&lt;\/label>\n\u00a0\u00a0\u00a0\u00a0&lt;input type=\"text\" name=\"lastname\" id=\"lastname\" placeholder=\"Doe\"\/>\n\u00a0\u00a0\u00a0\u00a0&lt;label for=\"email\">Email&lt;\/label>\n\u00a0\u00a0\u00a0\u00a0&lt;input type=\"email\" name=\"email\" id=\"email\" placeholder=\"john@doe.com\"\/>\n\u00a0\u00a0\u00a0\u00a0&lt;label for=\"password\">Password&lt;\/label>\n\u00a0\u00a0\u00a0\u00a0&lt;input type=\"password\" name=\"password\" id=\"password\" placeholder=\"\u25cf\u25cf\u25cf\u25cf\u25cf\"\/>\n\u00a0\u00a0\u00a0\u00a0&lt;button type=\"submit\">Register&lt;\/button>\n\u00a0\u00a0&lt;\/form>\n\n&lt;\/div><\/code><\/pre>\n\n\n\n<p>K\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"143\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-2.png\" alt=\"\" class=\"wp-image-89017\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-2.png 800w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-2-300x54.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-2-640x114.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-2-200x36.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-2-768x137.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-t\u1ea1o-giao-di\u1ec7n-cho-bi\u1ec3u-m\u1eabu\"><strong>T\u1ea1o giao di\u1ec7n cho bi\u1ec3u m\u1eabu<\/strong><\/h3>\n\n\n\n<p>T\u1ea1o m\u1ed9t file m\u1edbi c\u00f3 t\u00ean style.css trong th\u01b0 m\u1ee5c css\/ v\u00e0 li\u00ean k\u1ebft file n\u00e0y v\u00e0o ph\u1ea7n &lt;head&gt; c\u1ee7a t\u00e0i li\u1ec7u HTML nh\u01b0 sau:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;link rel=\"stylesheet\" href=\"css\/style.css\"\/><\/code><\/pre>\n\n\n\n<p>Sao ch\u00e9p \u0111o\u1ea1n m\u00e3 CSS sau v\u00e0o t\u1ec7p style.css:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@import url(\"https:\/\/fonts.googleapis.com\/css?family=Open+Sans\");\n\n\/* Thi\u1ebft l\u1eadp chung *\/\n\n* {\n\u00a0\u00a0margin: 0;\n\u00a0\u00a0padding: 0;\n}\n\nbody {\n\u00a0\u00a0font-family: \"Open Sans\";\n\u00a0\u00a0font-size: 14px;\n}\n\n.container {\n\u00a0\u00a0width: 500px;\n\u00a0\u00a0margin: 25px auto;\n}\n\nform {\n\u00a0\u00a0padding: 20px;\n\u00a0\u00a0background: #2c3e50;\n\u00a0\u00a0color: #fff;\n\u00a0\u00a0border-radius: 4px;\n}\n\nform label,\n\nform input,\n\nform button {\n\u00a0\u00a0border: 0;\n\u00a0\u00a0margin-bottom: 3px;\n\u00a0\u00a0display: block;\n\u00a0\u00a0width: 100%;\n}\n\nform input {\n\u00a0\u00a0height: 25px;\n\u00a0\u00a0line-height: 25px;\n\u00a0\u00a0background: #fff;\n\u00a0\u00a0color: #000;\n\u00a0\u00a0padding: 0 6px;\n\u00a0\u00a0box-sizing: border-box;\n}\n\nform button {\n\u00a0\u00a0height: 30px;\n\u00a0\u00a0line-height: 30px;\n\u00a0\u00a0background: #e67e22;\n\u00a0\u00a0color: #fff;\n\u00a0\u00a0margin-top: 10px;\n\u00a0\u00a0cursor: pointer;\n}\n\n\/* X\u1eed l\u00fd ph\u1ea7n hi\u1ec3n th\u1ecb l\u1ed7i *\/\n\nform .error {\n\u00a0\u00a0color: #ff0000;\n}<\/code><\/pre>\n\n\n\n<p>Sau khi ho\u00e0n th\u00e0nh b\u01b0\u1edbc n\u00e0y, \u0111o\u1ea1n code \u0111\u1ea7y \u0111\u1ee7 v\u00e0 bi\u1ec3u m\u1eabu c\u1ee7a b\u1ea1n s\u1ebd c\u00f3 giao di\u1ec7n nh\u01b0 sau:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;head>\n\n&lt;link rel=\"stylesheet\" href=\"css\/style.css\"\/>\n\n&lt;style>\n\n@import url(\"https:\/\/fonts.googleapis.com\/css?family=Open+Sans\");\n\n\/* Thi\u1ebft l\u1eadp chung *\/\n\n* {\n\u00a0\u00a0margin: 0;\n\u00a0\u00a0padding: 0;\n}\n\nbody {\n\u00a0\u00a0font-family: \"Open Sans\";\n\u00a0\u00a0font-size: 14px;\n}\n\n.container {\n\u00a0\u00a0width: 500px;\n\u00a0\u00a0margin: 25px auto;\n}\n\nform {\n\u00a0\u00a0padding: 20px;\n\u00a0\u00a0background: #2c3e50;\n\u00a0\u00a0color: #fff;\n\u00a0\u00a0border-radius: 4px;\n}\n\nform label,\n\nform input,\n\nform button {\n\u00a0\u00a0border: 0;\n\u00a0\u00a0margin-bottom: 3px;\n\u00a0\u00a0display: block;\n\u00a0\u00a0width: 100%;\n}\n\nform input {\n\u00a0\u00a0height: 25px;\n\u00a0\u00a0line-height: 25px;\n\u00a0\u00a0background: #fff;\n\u00a0\u00a0color: #000;\n\u00a0\u00a0padding: 0 6px;\n\u00a0\u00a0box-sizing: border-box;\n}\n\nform button {\n\u00a0\u00a0height: 30px;\n\u00a0\u00a0line-height: 30px;\n\u00a0\u00a0background: #e67e22;\n\u00a0\u00a0color: #fff;\n\u00a0\u00a0margin-top: 10px;\n\u00a0\u00a0cursor: pointer;\n}\n\n\/* X\u1eed l\u00fd ph\u1ea7n hi\u1ec3n th\u1ecb l\u1ed7i *\/\n\nform .error {\n\u00a0\u00a0color: #ff0000;\n}\n\n&lt;\/style>\n\n&lt;div class=\"container\">\n\n\u00a0\u00a0&lt;h2>Registration&lt;\/h2>\n\n\u00a0\u00a0&lt;form action=\"\" name=\"registration\">\n\u00a0\u00a0\u00a0\u00a0&lt;label for=\"firstname\">First Name&lt;\/label>\n\u00a0\u00a0\u00a0\u00a0&lt;input type=\"text\" name=\"firstname\" id=\"firstname\" placeholder=\"John\"\/>\n\u00a0\u00a0\u00a0\u00a0&lt;label for=\"lastname\">Last Name&lt;\/label>\n\u00a0\u00a0\u00a0\u00a0&lt;input type=\"text\" name=\"lastname\" id=\"lastname\" placeholder=\"Doe\"\/>\n\u00a0\u00a0\u00a0\u00a0&lt;label for=\"email\">Email&lt;\/label>\n\u00a0\u00a0\u00a0\u00a0&lt;input type=\"email\" name=\"email\" id=\"email\" placeholder=\"john@doe.com\"\/>\n\u00a0\u00a0\u00a0\u00a0&lt;label for=\"password\">Password&lt;\/label>\n\u00a0\u00a0\u00a0\u00a0&lt;input type=\"password\" name=\"password\" id=\"password\" placeholder=\"\u25cf\u25cf\u25cf\u25cf\u25cf\"\/>\n\u00a0\u00a0\u00a0\u00a0&lt;button type=\"submit\">Register&lt;\/button>\n\u00a0\u00a0&lt;\/form>\n\n&lt;\/div><\/code><\/pre>\n\n\n\n<p>K\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"799\" height=\"478\" src=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-3.png\" alt=\"\" class=\"wp-image-89018\" srcset=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-3.png 799w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-3-300x179.png 300w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-3-640x383.png 640w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-3-200x120.png 200w, https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/image-3-768x459.png 768w\" sizes=\"auto, (max-width: 799px) 100vw, 799px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-t\u1ea1o-logic-xac-th\u1ef1c\"><strong>T\u1ea1o logic x\u00e1c th\u1ef1c<\/strong><\/h3>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng, b\u1ea1n s\u1ebd c\u1ea7n kh\u1edfi t\u1ea1o plugin x\u00e1c th\u1ef1c. H\u00e3y t\u1ea1o m\u1ed9t t\u1ec7p JavaScript m\u1edbi c\u00f3 t\u00ean l\u00e0 <strong>form-validation.js<\/strong> trong th\u01b0 m\u1ee5c <strong>js\/<\/strong> v\u00e0 nh\u00fang n\u00f3 sau th\u1ebb <strong>&lt;script&gt; <\/strong>c\u1ee7a plugin jQuery Validation:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;script src=\"js\/form-validation.js\">&lt;\/script><\/code><\/pre>\n\n\n\n<p>Sao ch\u00e9p \u0111o\u1ea1n m\u00e3 sau v\u00e0o t\u1ec7p <strong>form-validation.js<\/strong> v\u1eeba t\u1ea1o:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Ch\u1edd cho DOM \u0111\u01b0\u1ee3c t\u1ea3i xong\n$(function() {\n\n\u00a0\u00a0\/\/ Kh\u1edfi t\u1ea1o x\u00e1c th\u1ef1c cho bi\u1ec3u m\u1eabu c\u00f3 thu\u1ed9c t\u00ednh name=\"registration\"\n\u00a0\u00a0$(\"form&#91;name='registration']\").validate({\n\n\u00a0\u00a0\u00a0\u00a0\/\/ Khai b\u00e1o c\u00e1c quy t\u1eafc x\u00e1c th\u1ef1c\n\u00a0\u00a0\u00a0\u00a0rules: {\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/ T\u00ean thu\u1ed9c t\u00ednh \u1edf b\u00ean tr\u00e1i t\u01b0\u01a1ng \u1ee9ng v\u1edbi name c\u1ee7a input\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0firstname: \"required\",\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0lastname: \"required\",\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0email: {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0required: true,\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0email: true \/\/ S\u1eed d\u1ee5ng quy t\u1eafc t\u00edch h\u1ee3p s\u1eb5n \u0111\u1ec3 x\u00e1c th\u1ef1c email\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0},\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0password: {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0required: true,\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0minlength: 5 \/\/ M\u1eadt kh\u1ea9u t\u1ed1i thi\u1ec3u 5 k\u00fd t\u1ef1\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0},\n\n\u00a0\u00a0\u00a0\u00a0\/\/ \u0110\u1ecbnh ngh\u0129a th\u00f4ng b\u00e1o l\u1ed7i cho t\u1eebng tr\u01b0\u1eddng\n\u00a0\u00a0\u00a0\u00a0messages: {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0firstname: \"Vui l\u00f2ng nh\u1eadp t\u00ean c\u1ee7a b\u1ea1n\",\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0lastname: \"Vui l\u00f2ng nh\u1eadp h\u1ecd c\u1ee7a b\u1ea1n\",\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0email: \"Vui l\u00f2ng nh\u1eadp \u0111\u1ecba ch\u1ec9 email h\u1ee3p l\u1ec7\",\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0password: {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0required: \"Vui l\u00f2ng nh\u1eadp m\u1eadt kh\u1ea9u\",\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0minlength: \"M\u1eadt kh\u1ea9u ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 5 k\u00fd t\u1ef1\"\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0},\n\n\u00a0\u00a0\u00a0\u00a0\/\/ Khi bi\u1ec3u m\u1eabu h\u1ee3p l\u1ec7, g\u1eedi d\u1eef li\u1ec7u \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 \u0111\u00e3 \u0111\u1ecbnh ngh\u0129a trong thu\u1ed9c t\u00ednh \"action\"\n\u00a0\u00a0\u00a0\u00a0submitHandler: function (form) {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0form.submit();\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0});\n});<\/code><\/pre>\n\n\n\n<p>Gi\u1ea3i th\u00edch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>rules: <\/strong>\u0110\u1ecbnh ngh\u0129a c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi t\u1eebng tr\u01b0\u1eddng d\u1eef li\u1ec7u theo t\u00ean thu\u1ed9c t\u00ednh c\u1ee7a input.<\/li>\n\n\n\n<li><strong>messages: <\/strong>Cung c\u1ea5p th\u00f4ng b\u00e1o l\u1ed7i t\u00f9y ch\u1ec9nh khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp sai ho\u1eb7c kh\u00f4ng nh\u1eadp.<\/li>\n\n\n\n<li><strong>equalTo:<\/strong> Quy t\u1eafc \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 so s\u00e1nh gi\u00e1 tr\u1ecb gi\u1eefa hai tr\u01b0\u1eddng (d\u00f9ng cho khi x\u00e1c nh\u1eadn m\u1eadt kh\u1ea9u).<\/li>\n\n\n\n<li><strong>errorElement:<\/strong> \u0110\u1ecbnh ngh\u0129a th\u1ebb HTML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i.<\/li>\n\n\n\n<li><strong>errorClass\/validClass:<\/strong> Class CSS \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho tr\u01b0\u1eddng l\u1ed7i v\u00e0 tr\u01b0\u1eddng h\u1ee3p l\u1ec7.<\/li>\n\n\n\n<li><strong>submitHandler:<\/strong> \u0110\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 khi bi\u1ec3u m\u1eabu h\u1ee3p l\u1ec7 th\u00ec m\u1edbi th\u1ef1c thi l\u1ec7nh form.submit().<\/li>\n\n\n\n<li><strong>form.submit()<\/strong>: Cho ph\u00e9p th\u00eam logic x\u1eed l\u00fd t\u00f9y ch\u1ec9nh.<\/li>\n\n\n\n<li><strong>focusInvalid\/focusCleanup:<\/strong> c\u1ea3i thi\u1ec7n tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng khi t\u01b0\u01a1ng t\u00e1c v\u1edbi form.<\/li>\n<\/ul>\n\n\n\n<p>\u0110o\u1ea1n m\u00e3 tr\u00ean s\u1ebd th\u1ef1c hi\u1ec7n x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu b\u1eb1ng jQuery m\u1ed7i khi ng\u01b0\u1eddi d\u00f9ng nh\u1ea5n n\u00fat g\u1eedi (submit) v\u00e0 c\u0169ng c\u00f3 th\u1ec3 validation real-time khi ng\u01b0\u1eddi d\u00f9ng r\u1eddi kh\u1ecfi tr\u01b0\u1eddng input.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-m\u1ed9t-s\u1ed1-quy-t\u1eafc-xac-th\u1ef1c-jquery-validate\"><span class=\"ez-toc-section\" id=\"Mot_so_quy_tac_xac_thuc_jQuery_validate\"><\/span><strong>M\u1ed9t s\u1ed1 quy t\u1eafc x\u00e1c th\u1ef1c jQuery validate<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 k\u00edch ho\u1ea1t t\u00ednh n\u0103ng x\u00e1c th\u1ef1c d\u1eef li\u1ec7u cho m\u1ed9t tr\u00ecnh ch\u1ec9nh s\u1eeda (editor), b\u1ea1n c\u1ea7n kh\u1edfi t\u1ea1o plugin tr\u00ean bi\u1ec3u m\u1eabu v\u00e0 thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc x\u00e1c th\u1ef1c. B\u1ea1n c\u00f3 th\u1ec3 g\u00e1n nhi\u1ec1u quy t\u1eafc x\u00e1c th\u1ef1c cho m\u1ed9t th\u00e0nh ph\u1ea7n.&nbsp;<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i quy t\u1eafc x\u00e1c th\u1ef1c hi\u1ec7n c\u00f3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>required:<\/strong> Quy t\u1eafc y\u00eau c\u1ea7u tr\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c ph\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb.<\/li>\n\n\n\n<li><strong>email: <\/strong>Quy t\u1eafc y\u00eau c\u1ea7u tr\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c ph\u1ea3i kh\u1edbp v\u1edbi \u0111\u1ecbnh d\u1ea1ng \u0111\u1ecba ch\u1ec9 email.<\/li>\n\n\n\n<li><strong>async:<\/strong> Quy t\u1eafc x\u00e1c th\u1ef1c t\u00f9y ch\u1ec9nh d\u00f9ng cho x\u00e1c th\u1ef1c ph\u00eda m\u00e1y ch\u1ee7. B\u1ea1n c\u1ea7n tri\u1ec3n khai h\u00e0m validationCallback \u0111\u1ec3 x\u00e1c th\u1ef1c gi\u00e1 tr\u1ecb c\u1ea7n ki\u1ec3m tra.<\/li>\n\n\n\n<li><strong>compare:<\/strong> Quy t\u1eafc y\u00eau c\u1ea7u gi\u00e1 tr\u1ecb c\u1ee7a editor ph\u1ea3i b\u1eb1ng v\u1edbi gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. \u0110\u1ec3 s\u1eed d\u1ee5ng, c\u1ea7n tri\u1ec3n khai h\u00e0m comparisonTarget nh\u1eb1m x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb so s\u00e1nh.<\/li>\n\n\n\n<li><strong>pattern: <\/strong>Quy t\u1eafc y\u00eau c\u1ea7u tr\u01b0\u1eddng d\u1eef li\u1ec7u ph\u1ea3i kh\u1edbp v\u1edbi m\u1ed9t m\u1eabu (pattern) c\u1ee5 th\u1ec3.<\/li>\n\n\n\n<li><strong>stringLength: <\/strong>Quy t\u1eafc y\u00eau c\u1ea7u \u0111\u1ed9 d\u00e0i chu\u1ed7i c\u1ee7a gi\u00e1 tr\u1ecb n\u1eb1m trong kho\u1ea3ng t\u1ed1i thi\u1ec3u v\u00e0 t\u1ed1i \u0111a cho tr\u01b0\u1edbc. Ch\u1ec9 \u00e1p d\u1ee5ng v\u1edbi gi\u00e1 tr\u1ecb ki\u1ec3u chu\u1ed7i (string).<\/li>\n\n\n\n<li><strong>range:<\/strong> Quy t\u1eafc y\u00eau c\u1ea7u gi\u00e1 tr\u1ecb n\u1eb1m trong m\u1ed9t kho\u1ea3ng x\u00e1c \u0111\u1ecbnh. \u00c1p d\u1ee5ng cho ki\u1ec3u d\u1eef li\u1ec7u s\u1ed1 (numeric) ho\u1eb7c ng\u00e0y gi\u1edd (date-time).<\/li>\n\n\n\n<li><strong>numeric: <\/strong>Quy t\u1eafc y\u00eau c\u1ea7u gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c x\u00e1c th\u1ef1c ph\u1ea3i l\u00e0 s\u1ed1.<\/li>\n\n\n\n<li><strong>custom:<\/strong> Quy t\u1eafc v\u1edbi logic x\u00e1c th\u1ef1c t\u00f9y ch\u1ec9nh. C\u1ea7n tri\u1ec3n khai h\u00e0m validationCallback \u0111\u1ec3 x\u00e1c th\u1ef1c gi\u00e1 tr\u1ecb \u0111\u1ea7u v\u00e0o.<\/li>\n<\/ul>\n\n\n\n<p>T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i quy t\u1eafc x\u00e1c th\u1ef1c \u0111\u1ec1u cho ph\u00e9p b\u1ea1n t\u00f9y ch\u1ec9nh th\u00f4ng b\u00e1o l\u1ed7i ri\u00eang cho t\u1eebng th\u00e0nh ph\u1ea7n. Ngo\u00e0i ra, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh v\u1ecb tr\u00ed hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i cho t\u1eebng editor. N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng nh\u00f3m x\u00e1c th\u1ef1c (validation group), b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb t\u1ed5ng h\u1ee3p l\u1ed7i b\u1eb1ng th\u00e0nh ph\u1ea7n validation summary \u0111\u1ec3 hi\u1ec3n th\u1ecb t\u1ea5t c\u1ea3 l\u1ed7i x\u00e1c th\u1ef1c t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed duy nh\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cac-nguyen-t\u1eafc-th\u1ef1c-hanh-t\u1ed1t-nh\u1ea5t-khi-s\u1eed-d\u1ee5ng-jquery-validation\"><span class=\"ez-toc-section\" id=\"Cac_nguyen_tac_thuc_hanh_tot_nhat_khi_su_dung_jQuery_validation\"><\/span><strong>C\u00e1c nguy\u00ean t\u1eafc th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t khi s\u1eed d\u1ee5ng jQuery validation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t gi\u00fap b\u1ea1n khai th\u00e1c t\u1ed1i \u0111a s\u1ee9c m\u1ea1nh c\u1ee7a plugin jQuery Validation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00f4ng b\u00e1o l\u1ed7i n\u00ean \u0111\u01b0\u1ee3c vi\u1ebft r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 hi\u1ec3u: <\/strong>Tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng c\u1ee5m t\u1eeb k\u1ef9 thu\u1eadt n\u00e2ng cao, thay v\u00e0o \u0111\u00f3 n\u00ean s\u1eed d\u1ee5ng nh\u1eefng t\u1eeb ng\u1eef th\u00f4ng d\u1ee5ng v\u00e0 d\u1ec5 hi\u1ec3u. Vi\u1ec7c t\u00f9y ch\u1ec9nh n\u1ed9i dung th\u00f4ng b\u00e1o trong jQuery validation r\u1ea5t d\u1ec5 d\u00e0ng th\u00f4ng qua thu\u1ed9c t\u00ednh messages.<\/li>\n\n\n\n<li><strong>Ch\u00fa \u00fd \u0111\u1ebfn c\u00e1ch hi\u1ec3n th\u1ecb l\u1ed7i:<\/strong> H\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng c\u00e1c pop-up ho\u1eb7c alert g\u00e2y kh\u00f3 ch\u1ecbu. Thay v\u00e0o \u0111\u00f3, n\u00ean \u0111\u1eb7t th\u00f4ng b\u00e1o l\u1ed7i g\u1ea7n tr\u01b0\u1eddng nh\u1eadp li\u1ec7u t\u01b0\u01a1ng \u1ee9ng. jQuery validation h\u1ed7 tr\u1ee3 linh ho\u1ea1t trong vi\u1ec7c thi\u1ebft l\u1eadp v\u1ecb tr\u00ed hi\u1ec3n th\u1ecb l\u1ed7i v\u00e0 cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c class CSS t\u00f9y ch\u1ec9nh, d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u1edbi framework nh\u01b0 Bootstrap.&nbsp;&nbsp;<\/li>\n\n\n\n<li><strong>Ch\u00fa \u00fd \u0111\u1ebfn kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn (accessibility):<\/strong> C\u00e1c bi\u1ec3u m\u1eabu c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng. S\u1eed d\u1ee5ng c\u00e1c thu\u1ed9c t\u00ednh ARIA nh\u01b0 aria-describedby s\u1ebd gi\u00fap li\u00ean k\u1ebft tr\u01b0\u1eddng nh\u1eadp li\u1ec7u v\u1edbi th\u00f4ng b\u00e1o l\u1ed7i t\u01b0\u01a1ng \u1ee9ng, gi\u00fap tr\u00ecnh \u0111\u1ecdc m\u00e0n h\u00ecnh c\u00f3 th\u1ec3 di\u1ec5n gi\u1ea3i n\u1ed9i dung ch\u00ednh x\u00e1c h\u01a1n.<\/li>\n\n\n\n<li><strong>T\u1eadn d\u1ee5ng t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 \u0111a ng\u00f4n ng\u1eef:<\/strong> jQuery validation cung c\u1ea5p s\u1eb5n h\u01a1n 40 ng\u00f4n ng\u1eef kh\u00e1c nhau, h\u00e3y t\u1eadn d\u1ee5ng \u0111\u1ec3 c\u1ea5u h\u00ecnh v\u00e0 b\u1ea3n \u0111\u1ecba h\u00f3a th\u00f4ng b\u00e1o l\u1ed7i ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng khu v\u1ef1c ng\u01b0\u1eddi d\u00f9ng.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-cau-h\u1ecfi-th\u01b0\u1eddng-g\u1eb7p-v\u1ec1-jquery-validate\"><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_jQuery_validate\"><\/span><strong>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 jQuery validate<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-co-th\u1ec3-x\u1eed-ly-vi\u1ec7c-g\u1eedi-bi\u1ec3u-m\u1eabu-sau-khi-xac-th\u1ef1c-validate-nh\u01b0-th\u1ebf-nao\"><strong>C\u00f3 th\u1ec3 x\u1eed l\u00fd vi\u1ec7c g\u1eedi bi\u1ec3u m\u1eabu sau khi x\u00e1c th\u1ef1c (validate) nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng plugin, plugin s\u1ebd t\u1ef1 \u0111\u1ed9ng x\u1eed l\u00fd vi\u1ec7c g\u1eedi n\u1ebfu x\u00e1c th\u1ef1c th\u00e0nh c\u00f4ng. N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng x\u00e1c th\u1ef1c t\u00f9y ch\u1ec9nh (custom validation), b\u1ea1n c\u00f3 th\u1ec3 g\u1eedi bi\u1ec3u m\u1eabu theo c\u00e1ch th\u1ee7 c\u00f4ng n\u1ebfu x\u00e1c th\u1ef1c th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-m\u1ed9t-s\u1ed1-quy-t\u1eafc-xac-th\u1ef1c-d\u1eef-li\u1ec7u-form-tieu-chu\u1ea9n-la-gi\"><strong>M\u1ed9t s\u1ed1 quy t\u1eafc x\u00e1c th\u1ef1c d\u1eef li\u1ec7u form ti\u00eau chu\u1ea9n l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<p>C\u00e1c ti\u00eau chu\u1ea9n x\u00e1c th\u1ef1c bao g\u1ed3m ki\u1ec3m tra c\u00e1c tr\u01b0\u1eddng b\u1eaft bu\u1ed9c, \u0111\u1ecba ch\u1ec9 email h\u1ee3p l\u1ec7 (x\u00e1c th\u1ef1c email), gi\u00e1 tr\u1ecb s\u1ed1 v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u1eadt kh\u1ea9u. Plugin jQuery Validation cung c\u1ea5p s\u1eb5n c\u00e1c quy t\u1eafc t\u00edch h\u1ee3p cho nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-tuy-ch\u1ec9nh-thong-bao-l\u1ed7i-trong-jquery-form-data-validation\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f9y ch\u1ec9nh th\u00f4ng b\u00e1o l\u1ed7i trong jQuery Form Data Validation?<\/strong><\/h3>\n\n\n\n<p>Plugin cho ph\u00e9p b\u1ea1n t\u00f9y ch\u1ec9nh th\u00f4ng b\u00e1o l\u1ed7i cho c\u00e1c quy t\u1eafc x\u00e1c th\u1ef1c c\u1ee5 th\u1ec3. B\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00f4ng b\u00e1o l\u1ed7i t\u00f9y ch\u1ec9nh trong c\u00e0i \u0111\u1eb7t x\u00e1c th\u1ef1c cho t\u1eebng tr\u01b0\u1eddng nh\u1eadp.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-lam-th\u1ebf-nao-d\u1ec3-kh\u1edfi-t\u1ea1o-xac-th\u1ef1c-form-b\u1eb1ng-plugin-jquery-validation\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1edfi t\u1ea1o x\u00e1c th\u1ef1c form b\u1eb1ng plugin jQuery Validation?<\/strong><\/h3>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 g\u1ecdi ph\u01b0\u01a1ng th\u1ee9c .validate() tr\u00ean ph\u1ea7n t\u1eed form \u0111\u1ec3 kh\u1edfi t\u1ea1o x\u00e1c th\u1ef1c. Plugin jQuery Validation cung c\u1ea5p ph\u01b0\u01a1ng th\u1ee9c n\u00e0y v\u00e0 thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc c\u00f9ng h\u00e0nh vi x\u00e1c th\u1ef1c t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$(document).ready(function() {\n\u00a0\u00a0$(\"#myForm\").validate({\n\u00a0\u00a0\u00a0\u00a0rules: {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0username: {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0required: true,\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0minlength: 5\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0},\n\u00a0\u00a0\u00a0\u00a0messages: {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0username: {\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0required: \"Vui l\u00f2ng nh\u1eadp t\u00ean \u0111\u0103ng nh\u1eadp\",\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0minlength: \"T\u00ean \u0111\u0103ng nh\u1eadp ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 5 k\u00fd t\u1ef1\"\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0\u00a0\u00a0}\n\u00a0\u00a0});\n});<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-t\u1ed5ng-k\u1ebft-v\u1ec1-jquery-validate\"><span class=\"ez-toc-section\" id=\"Tong_ket_ve_jQuery_validate\"><\/span><strong>T\u1ed5ng k\u1ebft v\u1ec1 jQuery validate<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>jQuery validation v\u1eabn l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3, nh\u1eb9 v\u00e0 d\u1ec5 tri\u1ec3n khai \u0111\u1ec3 x\u00e1c th\u1ef1c form tr\u00ean web, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c d\u1ef1 \u00e1n s\u1eed d\u1ee5ng jQuery l\u00e0m n\u1ec1n t\u1ea3ng. D\u00f9 ng\u00e0y nay c\u00f3 nhi\u1ec1u framework hi\u1ec7n \u0111\u1ea1i h\u01a1n, jQuery validation v\u1eabn l\u00e0 plugin \u0111\u01b0\u1ee3c c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean \u01b0a chu\u1ed9ng b\u1edfi s\u1ef1 \u1ed5n \u0111\u1ecbnh, t\u00ednh n\u0103ng \u0111\u1ea7y \u0111\u1ee7 v\u00e0 c\u1ed9ng \u0111\u1ed3ng h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>jQuery Validate, hay jQuery Validation, l\u00e0 m\u1ed9t plugin c\u1ee7a jQuery, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu (form validation) tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng web. V\u1edbi kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn cao, h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i ki\u1ec3m tra d\u1eef li\u1ec7u v\u00e0 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p, plugin n\u00e0y l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu [&hellip;]<\/p>\n","protected":false},"author":207,"featured_media":89019,"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-88925","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>jQuery validate: H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra form v\u1edbi jQuery Validation - ITviec Blog<\/title>\n<meta name=\"description\" content=\"jQuery Validate l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch tri\u1ec3n khai x\u00e1c th\u1ef1c form b\u1eb1ng jQuery v\u1edbi th\u01b0 vi\u1ec7n jQuery Validation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"jQuery validate: H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra form v\u1edbi jQuery Validation\" \/>\n<meta property=\"og:description\" content=\"jQuery Validate, hay jQuery Validation, l\u00e0 m\u1ed9t plugin c\u1ee7a jQuery, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu (form validation) tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"ITviec Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ITviec\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-05T17:21:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-05T17:21:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/jquery-validate-la-gi-scaled.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1347\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Uyen Ngo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ITviec\" \/>\n<meta name=\"twitter:site\" content=\"@ITviec\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Uyen Ngo\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 ph\u00fat\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"jQuery validate: H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra form v\u1edbi jQuery Validation - ITviec Blog","description":"jQuery Validate l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch tri\u1ec3n khai x\u00e1c th\u1ef1c form b\u1eb1ng jQuery v\u1edbi th\u01b0 vi\u1ec7n jQuery Validation.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/","og_locale":"vi_VN","og_type":"article","og_title":"jQuery validate: H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra form v\u1edbi jQuery Validation","og_description":"jQuery Validate, hay jQuery Validation, l\u00e0 m\u1ed9t plugin c\u1ee7a jQuery, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu (form validation) tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng","og_url":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/","og_site_name":"ITviec Blog","article_publisher":"https:\/\/www.facebook.com\/ITviec","article_published_time":"2025-07-05T17:21:11+00:00","article_modified_time":"2025-07-05T17:21:13+00:00","og_image":[{"width":2560,"height":1347,"url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/jquery-validate-la-gi-scaled.png","type":"image\/png"}],"author":"Uyen Ngo","twitter_card":"summary_large_image","twitter_creator":"@ITviec","twitter_site":"@ITviec","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Uyen Ngo","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"12 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/#article","isPartOf":{"@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/"},"author":{"name":"Uyen Ngo","@id":"https:\/\/itviec.com\/blog\/#\/schema\/person\/f4cd1226846e0258c664e170d3e52d20"},"headline":"jQuery validate: H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra form v\u1edbi jQuery Validation","datePublished":"2025-07-05T17:21:11+00:00","dateModified":"2025-07-05T17:21:13+00:00","mainEntityOfPage":{"@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/"},"wordCount":3265,"publisher":{"@id":"https:\/\/itviec.com\/blog\/#organization"},"image":{"@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/jquery-validate-la-gi-scaled.png","articleSection":["Chuy\u00ean m\u00f4n IT"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/","url":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/","name":"jQuery validate: H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra form v\u1edbi jQuery Validation - ITviec Blog","isPartOf":{"@id":"https:\/\/itviec.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/#primaryimage"},"image":{"@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/#primaryimage"},"thumbnailUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/jquery-validate-la-gi-scaled.png","datePublished":"2025-07-05T17:21:11+00:00","dateModified":"2025-07-05T17:21:13+00:00","description":"jQuery Validate l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch tri\u1ec3n khai x\u00e1c th\u1ef1c form b\u1eb1ng jQuery v\u1edbi th\u01b0 vi\u1ec7n jQuery Validation.","breadcrumb":{"@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/#primaryimage","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/jquery-validate-la-gi-scaled.png","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2025\/07\/jquery-validate-la-gi-scaled.png","width":800,"height":421,"caption":"jQuery validate l\u00e0 g\u00ec - itviec blog"},{"@type":"BreadcrumbList","@id":"https:\/\/itviec.com\/blog\/jquery-validate-la-gi\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Chuy\u00ean m\u00f4n IT","item":"https:\/\/itviec.com\/blog\/chuyen-mon-it\/"},{"@type":"ListItem","position":2,"name":"jQuery validate: H\u01b0\u1edbng d\u1eabn ki\u1ec3m tra form v\u1edbi jQuery Validation"}]},{"@type":"WebSite","@id":"https:\/\/itviec.com\/blog\/#website","url":"https:\/\/itviec.com\/blog\/","name":"ITviec Blog","description":"IT Jobs &amp; People in Vietnam","publisher":{"@id":"https:\/\/itviec.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/itviec.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/itviec.com\/blog\/#organization","name":"ITviec","url":"https:\/\/itviec.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/12\/itviec-black-square-facebook.png","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2018\/12\/itviec-black-square-facebook.png","width":1800,"height":1800,"caption":"ITviec"},"image":{"@id":"https:\/\/itviec.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ITviec","https:\/\/x.com\/ITviec","https:\/\/www.linkedin.com\/company\/itviec","https:\/\/www.youtube.com\/channel\/UCYthAQ3bcGr57M_ag5gHDvQ"]},{"@type":"Person","@id":"https:\/\/itviec.com\/blog\/#\/schema\/person\/f4cd1226846e0258c664e170d3e52d20","name":"Uyen Ngo","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/ngo-thieu-my-uyen-author-e1709880420317-100x100.jpg","url":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/ngo-thieu-my-uyen-author-e1709880420317-100x100.jpg","contentUrl":"https:\/\/itviec.com\/blog\/wp-content\/uploads\/2024\/03\/ngo-thieu-my-uyen-author-e1709880420317-100x100.jpg","caption":"Uyen Ngo"},"url":"https:\/\/itviec.com\/blog\/author\/uyen-ngo\/"}]}},"_links":{"self":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/88925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/users\/207"}],"replies":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/comments?post=88925"}],"version-history":[{"count":2,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/88925\/revisions"}],"predecessor-version":[{"id":89020,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/posts\/88925\/revisions\/89020"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/media\/89019"}],"wp:attachment":[{"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/media?parent=88925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/categories?post=88925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itviec.com\/blog\/wp-json\/wp\/v2\/tags?post=88925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}