{"id":5913,"date":"2022-03-17T16:26:43","date_gmt":"2022-03-17T09:26:43","guid":{"rendered":"https:\/\/hostify.vn\/blog\/?p=5913"},"modified":"2022-03-17T16:26:43","modified_gmt":"2022-03-17T09:26:43","slug":"jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat","status":"publish","type":"post","link":"https:\/\/www.hostify.vn\/blog\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat\/","title":{"rendered":"jQuery l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t"},"content":{"rendered":"\n<p>B\u1ea1n \u0111ang t\u00ecm hi\u1ec3u<strong><a href=\"https:\/\/hostify.vn\/blog\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat\/\" target=\"_blank\" rel=\"noopener\"> jQuery l\u00e0 gi?<\/a> <\/strong>C\u00e1ch d\u00f9ng c\u1ee7a jQuery nh\u01b0 th\u1ebf n\u00e0o? Phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a jQuery l\u00e0 bao nhi\u00eau? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n. <a href=\"https:\/\/www.hostify.vn\/\">Hostify.vn<\/a> s\u1ebd \u0111\u01b0a ra c\u00e1i nh\u00ecn t\u1ed5ng quan nh\u1ea5t v\u1ec1 jQuery.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n c\u1ea7n nh\u1eefng d\u1ecbch v\u1ee5 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t website chuy\u00ean nghi\u1ec7p, <strong><a href=\"https:\/\/hostify.vn\/blog\/seo-la-gi\/\" target=\"_blank\" rel=\"noopener\">chu\u1ea9n SEO<\/a><\/strong> v\u1edbi m\u1ed9t m\u1ee9c gi\u00e1 \u01b0u \u0111\u00e3i, <a href=\"https:\/\/www.hostify.vn\/promotion\">t\u1ea1i \u0111\u00e2y<\/a> s\u1ebd c\u00f3 nh\u1eefng g\u00ec b\u1ea1n mong mu\u1ed1n.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. jQuery l\u00e0 gi?<\/h2>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" class=\"wp-image-6502 aligncenter\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-1.webp\" alt=\"\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-1.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-1-300x188.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-1-768x480.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\n<figcaption>jQuery l\u00e0 gi?<\/figcaption>\n<\/figure>\n<\/div>\n\n\n\n<p>Vi\u1ebft code l\u00e0 m\u1ed9t vi\u1ec7c kh\u00e1 t\u1ed1n th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t khi d\u00f9ng nhi\u1ec1u chu\u1ed7i. Ta c\u00f3 th\u1ec3 n\u00e9n nhi\u1ec1u d\u00f2ng code l\u1ea1i th\u00e0nh m\u1ed9t h\u00e0m, \u0111\u1ec3 b\u1ea1n kh\u00f4ng ph\u1ea3i vi\u1ebft l\u1ea1i nguy\u00ean c\u1ea3 kh\u1ed1i cho m\u1ed9t t\u00e1c v\u1ee5 th\u00ec \u0111\u00f3 l\u00e0 c\u00f4ng vi\u1ec7c c\u1ee7a jQuery.<strong> jQuery<\/strong> l\u00e0 m\u1ed9t phi\u00ean b\u1ea3n c\u1ea3i ti\u1ebfn c\u1ee7a JavaScript v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng, nh\u1ecf g\u1ecdn, nhanh, \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi John Resig v\u00e0o n\u0103m 2006 v\u1edbi ph\u01b0\u01a1ng ch\u00e2m: <strong>Write less, do more &#8211; Vi\u1ebft \u00edt h\u01a1n, l\u00e0m nhi\u1ec1u h\u01a1n<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 C\u00e1c t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c h\u1ed5 tr\u1ee3 b\u1edfi jQuery<\/h3>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\">\n<div id=\"attachment_6503\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6503\" class=\"wp-image-6503\" title=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Tinh-nang-jQuery.webp\" alt=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" width=\"800\" height=\"500\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Tinh-nang-jQuery.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Tinh-nang-jQuery-300x188.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Tinh-nang-jQuery-768x480.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-6503\" class=\"wp-caption-text\">C\u00e1c t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i<\/p><\/div>\n\n<\/figure>\n<\/div>\n\n\n\n<p>C\u00e1c t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c h\u1ed5 tr\u1ee3 b\u1edfi <a href=\"https:\/\/hostify.vn\/blog\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat\/\" target=\"_blank\" rel=\"noopener\"><strong>jQuery l\u00e0 gi? V\u00ec sao jQuery \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ebfn v\u00e2y?<\/strong><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Thao t\u00e1c DOM:<\/strong>\u00a0jQuery gi\u00fap d\u1ec5 d\u00e0ng l\u1ef1a ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed DOM \u0111\u1ec3 traverse (duy\u1ec7t) m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng nh\u01b0 s\u1eed d\u1ee5ng CSS, v\u00e0 ch\u1ec9nh s\u1eeda n\u1ed9i dung c\u1ee7a ch\u00fang b\u1edfi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ti\u1ec7n Selector m\u00e3 ngu\u1ed3n m\u1edf, m\u00e0 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Sizzle .<\/li>\n<li><strong>X\u1eed l\u00fd s\u1ef1 ki\u1ec7n<\/strong>: jQuery gi\u00fap t\u01b0\u01a1ng t\u00e1c v\u1edbi ng\u01b0\u1eddi d\u00f9ng t\u1ed1t h\u01a1n b\u1eb1ng vi\u1ec7c x\u1eed l\u00fd c\u00e1c s\u1ef1 ki\u1ec7n \u0111a d\u1ea1ng m\u00e0 kh\u00f4ng l\u00e0m cho HTML code r\u1ed1i tung l\u00ean v\u1edbi c\u00e1c Event Handler.<\/li>\n<li><strong>H\u1ed5 tr\u1ee3 Ajax: <\/strong>jQuery s\u1ebd gi\u00fap b\u1ea1n r\u1ea5t nhi\u1ec1u \u0111\u1ec3 ph\u00e1t tri\u1ec3n m\u1ed9t site gi\u00e0u t\u00ednh n\u0103ng v\u00e0 ph\u1ea3n h\u1ed3i t\u1ed1t b\u1edfi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 AJAX jQuery.<\/li>\n<li><strong>Hi\u1ec7u \u1ee9ng \u0111\u1ed9ng:<\/strong>\u00a0jQuery \u0111i k\u00e8m v\u1edbi r\u1ea5t nhi\u1ec1u hi\u1ec7u \u1ee9ng \u0111\u1ed9ng \u0111\u1eb9p m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho c\u00e1c website c\u1ee7a m\u00ecnh.<\/li>\n<li><strong>G\u1ecdn nh\u1eb9: <\/strong>jQuery l\u00e0 th\u01b0 vi\u1ec7n g\u1ecdn nh\u1eb9 &#8211; n\u00f3 ch\u1ec9 c\u00f3 k\u00edch c\u1ee1 kho\u1ea3ng 19KB (gzipped).<\/li>\n<li><strong>\u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 h\u1ea7u h\u1ebft b\u1edfi c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i: <\/strong>jQuery \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 h\u1ea7u h\u1ebft b\u1edfi c\u00e1c tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i, v\u00e0 l\u00e0m vi\u1ec7c t\u1ed1t tr\u00ean IE 6.0+, FF 2.0+, Safari 3.0+, Chrome v\u00e0 Opera 9.0+.<\/li>\n<li><strong>C\u1eadp nh\u1eadt v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u1ea5t: <\/strong>jQuery h\u1ed7 tr\u1ee3 CSS3 Selector v\u00e0 c\u00fa ph\u00e1p XPath c\u01a1 b\u1ea3n.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 \u01afa \u0111i\u1ec3m c\u1ee7a jQuery l\u00e0 gi?<\/h3>\n\n\n\n<p>\u01afu \u0111i\u1ec3m <strong>jQuery\u00a0<\/strong>th\u00ec v\u1eeba quan tr\u1ecdng v\u1eeba \u0111\u00e1ng gi\u00e1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>X\u1eed l\u00fd code nhanh v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/li>\n<li>T\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng vi\u1ebft c\u00e1c m\u00e3 ch\u1ee9c n\u0103ng b\u1eb1ng c\u00e1c d\u00f2ng t\u1ed1i thi\u1ec3u.<\/li>\n<li>C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t l\u1eadp tr\u00ecnh web.<\/li>\n<li>Ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 s\u1ef1 t\u01b0\u01a1ng th\u00edch v\u1edbi tr\u00ecnh duy\u1ec7t.<\/li>\n<li>H\u1ea7u h\u1ebft c\u00e1c t\u00ednh n\u0103ng m\u1edbi c\u1ee7a tr\u00ecnh duy\u1ec7t \u0111\u1ec1u \u0111\u01b0\u1ee3c jQuery s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cach-cai-dat-jquery\">2. H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t<\/h2>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\">\n<div id=\"attachment_6504\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6504\" class=\"wp-image-6504\" title=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-jQuery-la-gi.webp\" alt=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" width=\"800\" height=\"500\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-jQuery-la-gi.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-jQuery-la-gi-300x188.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-jQuery-la-gi-768x480.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-6504\" class=\"wp-caption-text\">S\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t<\/p><\/div>\n<\/figure>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 C\u00e0i \u0111\u1eb7t jQuery c\u1ee5c b\u1ed9<\/h3>\n\n\n\n<p>\u0110\u1ec3 download \u0111\u01b0\u1ee3c th\u01b0 vi\u1ec7n chu\u1ea9n v\u00e0 m\u1edbi nh\u1ea5t b\u1ea1n c\u1ea7n truy c\u1eadp v\u00e0o trang ch\u1ee7 <a href=\"https:\/\/jquery.com\/download\/\" target=\"_blank\" rel=\"noopener\">Jquery.com<\/a> v\u00e0 click v\u00e0o menu Download.<\/p>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\">\n<div id=\"attachment_6505\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6505\" class=\"wp-image-6505\" title=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Download-jQuery.webp\" alt=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" width=\"800\" height=\"400\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Download-jQuery.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Download-jQuery-300x150.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Download-jQuery-768x384.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-6505\" class=\"wp-caption-text\">jQuery download ch\u1ecdn phi\u00ean b\u1ea3n<\/p><\/div>\n<\/figure>\n<\/div>\n\n\n\n<p>Nh\u1eefng phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt li\u00ean t\u1ee5c tr\u00ean jQuery, c\u00f3 r\u1ea5t nhi\u1ec1u phi\u00ean b\u1ea3n jQuery v\u1edbi m\u1ed7i phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c chia th\u00e0nh 2 lo\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Download the compressed: Download b\u1ea3n n\u00e9n (\u0111\u01b0\u1ee3c t\u1ed1i \u01b0u c\u00e1c k\u00fd t\u1ef1 kho\u1ea3ng tr\u1eafng, t\u1ed1i \u01b0u dung l\u01b0\u1ee3ng)<\/li>\n<li>Download the uncompressed: Download b\u1ea3n kh\u00f4ng n\u00e9n(code hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng, d\u1ec5 \u0111\u1ecdc)<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\">\n<div id=\"attachment_6506\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6506\" class=\"wp-image-6506\" title=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Cai-dat-bo-cuc.webp\" alt=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" width=\"800\" height=\"300\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Cai-dat-bo-cuc.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Cai-dat-bo-cuc-300x113.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Cai-dat-bo-cuc-768x288.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-6506\" class=\"wp-caption-text\">\u0110\u1eb7t file jquery v\u00e0o trong website<\/p><\/div>\n<\/figure>\n<\/div>\n\n\n\n<p>L\u1eddi khuy\u00ean cho b\u1ea1n l\u00e0 n\u00ean d\u00f9ng phi\u00ean b\u1ea3n jQuery m\u1edbi nh\u1ea5t v\u00e0 n\u00e9n \u0111\u1ec3 t\u1ed1i \u01b0u t\u1ed1c \u0111\u1ed9 t\u1ea3i c\u1ee7a th\u01b0 vi\u1ec7n WodPress<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 S\u1eed d\u1ee5ng CDN<\/h3>\n\n\n\n<p>C\u00f3 th\u1ec3 \u0111\u01b0a th\u01b0 vi\u1ec7n Jquery tr\u1ef1c ti\u1ebfp t\u1eeb CDN (Content Delivery Network). Hi\u1ec7n t\u1ea1i c\u00f3 kh\u00e1 nhi\u1ec1u nh\u00e0 cung c\u1ea5p CDN cho th\u01b0 vi\u1ec7n n\u00e0y, t\u1eeb CloudFlare, Google, Microsoft\u2026 b\u1ea1n v\u00e0o link b\u00ean d\u01b0\u1edbi v\u00e0 t\u00ecm b\u1ea3n jQuery m\u1edbi nh\u1ea5t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CDN Google: https:\/\/developers.google.com\/speed\/libraries<\/li>\n<li>CDN CloudFlare: https:\/\/cdnjs.com\/libraries\/jquery<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"300\" class=\"wp-image-6507 aligncenter\" title=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Su-Dung-CDN.webp\" alt=\"jQuery l\u00e0 g\u00ec ? H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery m\u1edbi nh\u1ea5t\" srcset=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Su-Dung-CDN.webp 800w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Su-Dung-CDN-300x113.webp 300w, https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2022\/03\/jquery-la-gi-huong-dan-su-dung-jquery-moi-nhat-Su-Dung-CDN-768x288.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\n<figcaption>\u0110\u1eb7t b\u1eb1ng CDN CloudFlare<\/figcaption>\n<\/figure>\n<\/div>\n\n\n\n<p><strong>Xem th\u00eam &gt;&gt;&gt; <a href=\"https:\/\/hostify.vn\/blog\/bao-mat-website-la-gi-cach-de-bao-mat-wesbtie\/\" target=\"_blank\" rel=\"noopener\">B\u1ea3o m\u1eadt website l\u00e0 g\u00ec? C\u00e1ch \u0111\u1ec3 b\u1ea3o m\u1eadt wesbtie \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 cao<\/a><\/strong><\/p>\n<p>V\u1ec1 v\u1ecb tr\u00ed \u0111\u1eb7t c\u1ee7a Jquery b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t trong th\u1ebb &lt;head&gt; ho\u1eb7c \u1edf footer \u0111i\u1ec1u \u0111\u01b0\u1ee3c, b\u1ea1n ch\u1ec9 c\u1ea7n l\u01b0u \u00fd m\u1ed9t \u0111i\u1ec1u \u0111\u00f3 l\u00e0 Jquery c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Javascript, ch\u00fang c\u1ea7n c\u00f3 DOM \u0111\u1ec3 thao t\u00e1c, do \u0111\u00f3 n\u1ebfu b\u1ea1n \u0111\u1eb7t Jquery v\u00e0 script c\u1ee7a b\u1ea1n trong c\u1eb7p th\u1ebb &lt;head&gt; b\u1ea1n c\u1ea7n c\u00f3 th\u00eam h\u00e0m sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o to\u00e0n b\u1ed9 HTML \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea3i tr\u01b0\u1edbc khi ch\u1ea1y m\u00e3 script:<\/p>\n\n\n\n<p>$(document).ready(function() {\u00a0<br \/>\u00a0 \u00a0 \/\/ th\u1ef1c hi\u1ec7n khi DOM s\u1eb5n s\u00e0ng\u00a0<br \/>});<\/p>\n\n\n\n<p>C\u00f2n n\u1ebfu nh\u01b0 b\u1ea1n \u0111\u1eb7t \u1edf cu\u1ed1i html th\u00ec c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n v\u00ec khi n\u00e0y html \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea3i xong m\u1edbi \u0111\u1ebfn Jquery. Tuy nhi\u00ean ch\u00fang ta n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng c\u00e1ch m\u1ed9t \u0111\u00f3 l\u00e0 \u0111\u1eb7t v\u00e0o c\u1eb7p th\u1ebb head.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng jQuery<\/h3>\n\n\n\n<p>V\u1ec1 c\u01a1 b\u1ea3n c\u00fa ph\u00e1p jQuery \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed HTML v\u00e0 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 h\u00e0nh \u0111\u1ed9ng tr\u00ean c\u00e1c ph\u1ea7n t\u1eed. C\u00fa ph\u00e1p c\u01a1 b\u1ea3n l\u00e0: $(selector).action()<\/p>\n\n\n\n<p>$(selector) l\u00e0 b\u1ed9 ch\u1ecdn, n\u00f3 c\u00f3 th\u1ec3 l\u00e0 id, class, ho\u1eb7c c\u1ea3 m\u1ed9t th\u1ebb html, v\u1ec1 c\u01a1 b\u1ea3n b\u1ed9 ch\u1ecdn n\u00e0y c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ed9 ch\u1ecdn CSS v\u1eady.<br \/>Action() l\u00e0 th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng g\u00ec \u0111\u1ed1i v\u1edbi b\u1ed9 ch\u1ecdn \u0111\u00f3, v\u00ed d\u1ee5 nh\u01b0 l\u1ea5y gi\u00e1 tr\u1ecb, s\u1eeda gi\u00e1 tr\u1ecb, x\u00f3a gi\u00e1 tr\u1ecb, th\u00eam CSS, x\u00f3a CSS v.v\u2026<br \/>V\u00ed d\u1ee5:<\/p>\n\n\n\n<p>$(document).ready(function() {\u00a0<br \/>\u00a0 \u00a0 $(\u201c.test\u201d).hide();<br \/>});<\/p>\n\n\n\n<p>\u0110o\u1ea1n code tr\u00ean ngh\u0129a l\u00e0 sau khi t\u1ea3i xong DOM m\u00e1y t\u00ednh s\u1ebd th\u1ef1c hi\u1ec7n \u1ea9n t\u1ea5t c\u1ea3 c\u00e1c th\u1ebb c\u00f3 class l\u00e0 .test<br \/>Qua b\u00e0i vi\u1ebft n\u00e0y <em><strong>Hostify<\/strong> <\/em>\u0111\u00e3 tr\u00ecnh b\u00e0y s\u01a1 l\u01b0\u1ee3c v\u1ec1 Jquery, m\u1ed9t th\u01b0 vi\u1ec7n c\u1ef1c k\u1ef3 h\u1eefu \u00edch \u0111\u1ed1i v\u1edbi c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean, n\u00f3 gi\u00fap t\u1ed1i \u01b0u vi\u1ec7c vi\u1ebft code, l\u00e0m code g\u1ecdn h\u01a1n, d\u1ec5 debug h\u01a1n. V\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n ch\u00e8n <strong>JQuery<\/strong> v\u00e0o m\u00e3 ngu\u1ed3n, ch\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng v\u00e0 s\u1edbm ho\u00e0n t\u1ea5t Project c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p><strong>Th\u00f4ng tin t\u01b0 v\u1ea5n<\/strong><\/p>\n<ul>\n<li><strong>Website:\u00a0<a href=\"https:\/\/www.hostify.vn\/\">Hostify.vn<\/a><\/strong><\/li>\n<li><strong>Li\u00ean h\u1ec7 Kinh doanh:\u00a0<a href=\"tel:02471012369\">0247 10 12 369<\/a><\/strong><\/li>\n<li><strong>Facebook:\u00a0<a href=\"https:\/\/www.facebook.com\/hostify.vn\" target=\"_blank\" rel=\"noopener\">https:\/\/www.facebook.com\/hostify.vn<\/a><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n \u0111ang t\u00ecm hi\u1ec3u jQuery l\u00e0 gi? C\u00e1ch d\u00f9ng nh\u01b0 th\u1ebf n\u00e0o, phi\u00ean b\u1ea3n jQuery m\u1edbi nh\u1ea5t l\u00e0 bao nhi\u00eau b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n. Hostify s\u1ebd \u0111\u01b0a ra c\u00e1i nh\u00ecn t\u1ed5ng quan nh\u1ea5t v\u1ec1 jQuery.<\/p>\n","protected":false},"author":1,"featured_media":6460,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[171,172],"class_list":["post-5913","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-muc-khac","tag-huong-dan-su-dung-jquery-moi-nhat","tag-jquery-la-gi"],"_links":{"self":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts\/5913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/comments?post=5913"}],"version-history":[{"count":0,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/posts\/5913\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/media\/6460"}],"wp:attachment":[{"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/media?parent=5913"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/categories?post=5913"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostify.vn\/blog\/wp-json\/wp\/v2\/tags?post=5913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}