{"id":11992,"date":"2015-02-17T16:50:00","date_gmt":"2015-02-17T16:50:00","guid":{"rendered":"https:\/\/kiencang.net\/2015\/02\/17\/cu-phap-cua-jquery\/"},"modified":"2015-02-17T16:50:00","modified_gmt":"2015-02-17T16:50:00","slug":"cu-phap-cua-jquery","status":"publish","type":"post","link":"https:\/\/kiencang.net\/cu-phap-cua-jquery\/","title":{"rendered":"C\u00fa ph\u00e1p c\u1ee7a jQuery"},"content":{"rendered":"\n<p>V\u1edbi jQuery, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn th\u00e0nh ph\u1ea7n HTML m\u00ecnh mu\u1ed1n th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng tr\u00ean ch\u00fang.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00fa ph\u00e1p c\u1ee7a jQuery<\/h2>\n\n\n\n<p>C\u00fa ph\u00e1p c\u1ee7a jQuery bao g\u1ed3m ph\u1ea7n t\u1eed HTML \u0111\u01b0\u1ee3c ch\u1ecdn v\u00e0 h\u00e0nh \u0111\u1ed9ng l\u00ean (c\u00e1c) ph\u1ea7n t\u1eed \u0111\u00f3.<\/p>\n\n\n\n<p>C\u00fa ph\u00e1p c\u01a1 b\u1ea3n l\u00e0: <code>$(selector).action()<\/code><\/p>\n\n\n\n<ul><li>K\u00fd hi\u1ec7u $ \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a\/truy c\u1eadp jQuery<\/li><li>M\u1ed9t (selector) l\u00e0 m\u1ed9t ho\u1eb7c nhi\u1ec1u ph\u1ea7n t\u1eed HTML<\/li><li>M\u1ed9t jQuery action() l\u00e0 m\u1ed9t h\u00e0nh \u0111\u1ed9ng n\u00e0o \u0111\u00f3 tr\u00ean (c\u00e1c) ph\u1ea7n t\u1eed<\/li><\/ul>\n\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n\n<p>$(this).hide() &#8211; d\u00f9ng \u0111\u1ec3 \u1ea9n \u0111i ph\u1ea7n t\u1eed hi\u1ec7n t\u1ea1i. hides the current element<\/p>\n\n\n\n<p>$(&#8220;p&#8221;).hide() &#8211; d\u00f9ng \u0111\u1ec3 \u1ea9n t\u1ea5t c\u1ea3 th\u00e0nh ph\u1ea7n &lt;p&gt;<\/p>\n\n\n\n<p>$(&#8220;.test&#8221;).hide() &#8211; d\u00f9ng \u0111\u1ec3 \u1ea9n c\u00e1c ph\u1ea7n t\u1eed c\u00f3 class=&#8221;test&#8221;<\/p>\n\n\n\n<p>$(&#8220;#test&#8221;).hide() &#8211; d\u00f9ng \u0111\u1ec3 \u1ea9n ph\u1ea7n t\u1eed c\u00f3 id=&#8221;test&#8221;.<\/p>\n\n\n\n<p>B\u1ea1n quen thu\u1ed9c v\u1edbi <a href=\"https:\/\/kiencang.net\/bo-chon-hay-selector-trong-css\/\" target=\"_blank\" rel=\"noreferrer noopener\">b\u1ed9 ch\u1ecdn trong CSS<\/a>?<\/p>\n\n\n\n<p>jQuery s\u1eed d\u1ee5ng c\u00fa ph\u00e1p c\u1ee7a CSS \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c ph\u1ea7n t\u1eed. B\u1ea1n s\u1ebd h\u1ecdc \u0111\u01b0\u1ee3c nhi\u1ec1u h\u01a1n v\u1ec1 c\u00fa ph\u00e1p selector trong ch\u01b0\u01a1ng k\u1ebf ti\u1ebfp.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00e0i li\u1ec7u s\u1eb5n s\u00e0ng cho c\u00e1c s\u1ef1 ki\u1ec7n<\/h2>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 \u00fd, c\u00e1c v\u00ed d\u1ee5 c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 jQuery \u0111\u1ec1u \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o b\u00ean trong t\u00e0i li\u1ec7u \u0111\u00e3 s\u1eb5n s\u00e0ng d\u00f9ng:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$(document).ready(function(){\n\n\/\/ c\u00e2u l\u1ec7nh jQuery\n\n});<\/code><\/pre>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y d\u00f9ng \u0111\u1ec3 ng\u0103n b\u1ea5t k\u1ef3 \u0111o\u1ea1n code jQuery n\u00e0o \u0111\u01b0\u1ee3c ch\u1ea1y tr\u01b0\u1edbc khi to\u00e0n b\u1ed9 t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea3i \u0111\u1ea7y \u0111\u1ee7 (s\u1eb5n s\u00e0ng \u0111\u1ec3 d\u00f9ng).<\/p>\n\n\n\n<p>M\u1ed9t th\u1ef1c h\u00e0nh t\u1ed1t l\u00e0 \u0111\u1ee3i cho \u0111\u1ebfn khi t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea3i \u0111\u1ea7y \u0111\u1ee7 v\u00e0 s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng. N\u00f3 c\u0169ng cho ph\u00e9p b\u1ea1n s\u1eed d\u1ee5ng \u0111o\u1ea1n code JavaScript tr\u01b0\u1edbc ph\u1ea7n body c\u1ee7a t\u00e0i li\u1ec7u, trong ph\u1ea7n head.<\/p>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 h\u00e0nh \u0111\u1ed9ng s\u1ebd b\u1ecb th\u1ea5t b\u1ea1i n\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c ch\u1ea1y tr\u01b0\u1edbc khi t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea3i \u0111\u1ea7y \u0111\u1ee7:<\/p>\n\n\n\n<ul><li>Khi b\u1ea1n mu\u1ed1n \u1ea9n m\u1ed9t ph\u1ea7n t\u1eeb m\u00e0 n\u00f3 ch\u01b0a \u0111\u01b0\u1ee3c t\u1ea1o ra<\/li><li>Khi b\u1ea1n mu\u1ed1n l\u1ea5y k\u00edch c\u1ee1 c\u1ee7a \u1ea3nh m\u00e0 n\u00f3 ch\u01b0a t\u1ea3i k\u1ecbp<\/li><\/ul>\n\n\n\n<p>M\u1eb9o: Nh\u00f3m jQuery c\u0169ng t\u1ea1o c\u00e1c ph\u01b0\u01a1ng th\u1ee9c r\u00fat g\u1ecdn cho t\u00e0i li\u1ec7u \u0111\u00e3 s\u1eb5n s\u00e0ng:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$(function(){\n    \/\/ C\u00e2u l\u1ec7nh jQuery\n});<\/code><\/pre>\n\n\n\n<p>S\u1eed d\u1ee5ng c\u00fa ph\u00e1p n\u00e0o m\u00e0 b\u1ea1n mu\u1ed1n. Ch\u00fang t\u00f4i ngh\u0129 c\u00e1ch vi\u1ebft t\u00e0i li\u1ec7u s\u1eb5n s\u00e0ng cho s\u1ef1 ki\u1ec7n l\u00e0 d\u1ec5 hi\u1ec3u h\u01a1n khi \u0111\u1ecdc code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1edbi jQuery, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn th\u00e0nh ph\u1ea7n HTML m\u00ecnh mu\u1ed1n th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng tr\u00ean ch\u00fang. C\u00fa ph\u00e1p c\u1ee7a jQuery C\u00fa ph\u00e1p c\u1ee7a jQuery bao g\u1ed3m ph\u1ea7n t\u1eed HTML \u0111\u01b0\u1ee3c ch\u1ecdn v\u00e0 h\u00e0nh \u0111\u1ed9ng l\u00ean (c\u00e1c) ph\u1ea7n t\u1eed \u0111\u00f3. C\u00fa ph\u00e1p c\u01a1 b\u1ea3n l\u00e0: $(selector).action() K\u00fd hi\u1ec7u $ \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a\/truy c\u1eadp jQuery M\u1ed9t &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[237],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00fa ph\u00e1p c\u1ee7a jQuery &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/cu-phap-cua-jquery\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00fa ph\u00e1p c\u1ee7a jQuery &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"V\u1edbi jQuery, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn th\u00e0nh ph\u1ea7n HTML m\u00ecnh mu\u1ed1n th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng tr\u00ean ch\u00fang. 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C\u00fa ph\u00e1p c\u1ee7a jQuery C\u00fa ph\u00e1p c\u1ee7a jQuery bao g\u1ed3m ph\u1ea7n t\u1eed HTML \u0111\u01b0\u1ee3c ch\u1ecdn v\u00e0 h\u00e0nh \u0111\u1ed9ng l\u00ean (c\u00e1c) ph\u1ea7n t\u1eed \u0111\u00f3. 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