{"id":6402,"date":"2022-09-14T10:09:04","date_gmt":"2022-09-14T02:09:04","guid":{"rendered":"https:\/\/www.lilichao.com\/?p=6402"},"modified":"2022-09-14T19:17:56","modified_gmt":"2022-09-14T11:17:56","slug":"jquery","status":"publish","type":"post","link":"https:\/\/lilichao.com\/?p=6402","title":{"rendered":"jQuery"},"content":{"rendered":"\n<p>jQuery\u662f\u4e00\u4e2a\u5feb\u901f\u7684\u3001\u5c0f\u578b\u7684\u3001\u5177\u6709\u4e30\u5bcc\u529f\u80fd\u7684JavaScript\u5e93\u3002\u5b83\u7684\u51fa\u73b0\u4f7f\u5f97\u7f51\u9875\u4e2d\u7684DOM\u3001\u4e8b\u4ef6\u3001\u52a8\u753b\u3001Ajax\u7b49\u64cd\u4f5c\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u3002\u201c\u5199\u66f4\u5c11\u7684\u4ee3\u7801\uff0c\u505a\u66f4\u591a\u7684\u4e8b\u513f\u201d\u662fjQuery\u4e00\u76f4\u575a\u4fe1\u7684\u5f00\u53d1\u7406\u5ff5\u3002<\/p>\n\n\n\n<p>\u5e93\u5c31\u662f\u4e00\u7ec4\u4ee3\u7801\uff0c\u8fd9\u7ec4\u4ee3\u7801\u4e2d\u5305\u542b\u4e86\u4e00\u4e9b\u5df2\u7ecf\u5b9a\u4e49\u597d\u7684\u5bf9\u8c61\u548c\u51fd\u6570\u3002\u53ea\u9700\u8981\u5c06\u5e93\u5f15\u5165\u5230\u9875\u9762\u4e2d\uff0c\u5373\u53ef\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e9b\u5bf9\u8c61\u548c\u51fd\u6570\u3002\u5e93\u4e2d\u7684\u4ee3\u7801\u901a\u5e38\u662f\u4e3a\u4e86\u89e3\u51b3\u4e00\u4e9b\u6211\u4eec\u5f00\u53d1\u4e2d\u7684\u4e00\u4e9b\u4e0d\u4fbf\u3002jQuery\u4e2d\u7684\u4ee3\u7801\u5c31\u662f\u4e3a\u4e86\u7b80\u5316\u539f\u751fJS\u7684\u64cd\u4f5c\uff0c\u540c\u6837\u4e00\u4e2a\u529f\u80fd\u4f7f\u7528\u539f\u751fJS\u4f60\u4e5f\u8bb8\u8981\u7f16\u5199\u4e94\u884c\u4ee3\u7801\uff0c\u4f7f\u7528jQuery\u4e00\u884c\u5c31\u53ef\u4ee5\u641e\u5b9a\uff0c\u540c\u65f6jQuery\u8fd8\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5904\u7406\u6389\u6d4f\u89c8\u5668\u7684\u517c\u5bb9\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 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class=\"wp-block-heading\">\u5f15\u5165jQuery<\/h2>\n\n\n\n<p>\u4e0a\u6587\u8bf4\u8fc7\uff0c\u5e93\u5c31\u662f\u4e00\u7ec4\u73b0\u6210\u7684JS\u4ee3\u7801\uff0c\u8981\u4f7f\u7528\u5e93\u5c31\u9700\u8981\u5148\u628a\u8fd9\u7ec4\u4ee3\u7801\u5f15\u5165\u5230\u9875\u9762\u4e2d\uff0c\u4e5f\u5c31\u662f\u5f15\u5165\u5e93\u3002\u5b9e\u9645\u7684\u64cd\u4f5c\u5c31\u662f\u901a\u8fc7script\u6807\u7b7e\u5f15\u5165\u4e00\u4e2a\u5916\u90e8\u7684js\u6587\u4ef6\uff0c\u8fd9\u4e00\u70b9\u6240\u6709\u7684\u5e93\u90fd\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n<p>\u5f15\u5165jQuery\uff0c\u53ef\u4ee5\u76f4\u63a5\u4e0b\u8f7djQuery\u811a\u672c\u6587\u4ef6\uff0c\u7136\u540e\u653e\u5165\u672c\u5730\u670d\u52a1\u5668\uff0c\u5e76\u5728\u7f51\u9875\u4e2d\u901a\u8fc7script\u6807\u7b7e\u8fdb\u884c\u5f15\u5165\u3002\u4e5f\u53ef\u4ee5\u901a\u8fc7\u516c\u5171\u7684cdn\u6765\u5f15\u5165\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CDN<\/h3>\n\n\n\n<p>\u4f7f\u7528\u516c\u5171cdn\u6bd4\u8f83\u7b80\u5355\uff0c\u4ee5\u5b57\u8282\u8df3\u52a8\u9759\u6001\u8d44\u6e90\u4e3a\u4f8b\uff0c\u8981\u5f15\u51653.x\u7248\u672c\u7684jQuery\uff0c\u53ea\u9700\u8981\u5c06\u5982\u4e0b\u4ee3\u7801\u7c98\u8d34\u5230\u7f51\u9875\u4e2d\u5373\u53ef\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;script src=&quot;https:\/\/lf9-cdn-tos.bytecdntp.com\/cdn\/expire-1-M\/jquery\/3.6.0\/jquery.js&quot;&gt;&lt;\/script&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u6216\u8005\u8fd9\u4e2a\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;script src=&quot;https:\/\/lf26-cdn-tos.bytecdntp.com\/cdn\/expire-1-M\/jquery\/3.6.0\/jquery.min.js&quot;&gt;&lt;\/script&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u5b8c\u6574\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=&quot;zh&quot;&gt;\n    &lt;head&gt;\n        &lt;meta charset=&quot;UTF-8&quot; \/&gt;\n        &lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=edge&quot; \/&gt;\n        &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot; \/&gt;\n        &lt;title&gt;Document&lt;\/title&gt;\n        &lt;script src=&quot;https:\/\/lf3-cdn-tos.bytecdntp.com\/cdn\/expire-1-M\/jquery\/3.6.0\/jquery.min.js&quot;&gt;&lt;\/script&gt;\n    &lt;\/head&gt;\n    &lt;body&gt;\n    &lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u672c\u5730\u5f15\u5165\uff1a<\/h3>\n\n\n\n<p>\u4e0b\u8f7d\u5730\u5740\uff1a<\/p>\n\n\n\n<p>\u5f00\u53d1\u73af\u5883\u7248\uff1a<a href=\"https:\/\/code.jquery.com\/jquery-3.6.1.js\">https:\/\/code.jquery.com\/jquery-3.6.1.js<\/a><\/p>\n\n\n\n<p>\u751f\u4ea7\u73af\u5883\u7248\uff1a<a href=\"https:\/\/code.jquery.com\/jquery-3.6.1.min.js\">https:\/\/code.jquery.com\/jquery-3.6.1.min.js<\/a><\/p>\n\n\n\n<p>\u5b8c\u6574\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=&quot;zh&quot;&gt;\n    &lt;head&gt;\n        &lt;meta charset=&quot;UTF-8&quot; \/&gt;\n        &lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=edge&quot; \/&gt;\n        &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot; \/&gt;\n        &lt;title&gt;Document&lt;\/title&gt;\n        &lt;script src=&quot;.\/script\/jquery\/jquery-3.6.1.min.js&quot;&gt;&lt;\/script&gt;\n    &lt;\/head&gt;\n    &lt;body&gt;\n        \n       \n    &lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre><\/div>\n\n\n\n<p>\u5f00\u53d1\u73af\u5883\u7248\u662f\u672a\u7ecf\u538b\u7f29\u8fc7\u7684jQuery\u4ee3\u7801\uff0c\u6587\u4ef6\u683c\u5f0f\u7565\u5927\uff0c\u9700\u8981\u67e5\u770bjQuery\u6e90\u4ee3\u7801\u65f6\u53ef\u4ee5\u5f15\u7528\u8fd9\u4e2a\u7248\u672c\u3002\u751f\u4ea7\u73af\u5883\u7248\u662f\u7ecf\u8fc7\u538b\u7f29\u7684jQuery\u4ee3\u7801\uff0c\u6587\u4ef6\u8f83\u5c0f\uff0c\u4e0d\u65b9\u4fbf\u67e5\u770b\u4ee3\u7801\uff0c\u4e00\u822c\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u4e2d\u3002\u5982\u679c\u4e0d\u9700\u8981\u67e5\u770b\u6e90\u4ee3\u7801\u5efa\u8bae\u4f7f\u7528\u751f\u4ea7\u73af\u5883\u7248\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">jQuery\u6838\u5fc3\u51fd\u6570<\/h2>\n\n\n\n<p>\u5f15\u5165jQuery\u540e\uff0c\u5b83\u4f1a\u81ea\u52a8\u5728\u5168\u5c40\u4f5c\u7528\u57df\u6dfb\u52a0\u4e00\u4e2a\u540d\u4e3a<code>jQuery<\/code>\u7684\u65b0\u51fd\u6570\uff0c\u65b0\u51fd\u6570\u8fd8\u6709\u4e00\u4e2a\u522b\u540d<code>$<\/code>\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u901a\u8fc7<code>jQuery<\/code>\u548c<code>$<\/code>\u90fd\u53ef\u4ee5\u8bbf\u95ee\u5230\u8fd9\u4e2a\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u6211\u4eec\u79f0\u4e3ajQuery\u7684\u6838\u5fc3\u51fd\u6570\u3002\u6211\u4eec\u5f15\u5165jQuery\u76ee\u7684\u5c31\u662f\u5f97\u5230\u8fd9\u4e2a\u51fd\u6570\uff0c\u5b66\u4e60jQuery\u4e5f\u5c31\u662f\u5728\u5b66\u4e60\u8fd9\u4e2a\u6838\u5fc3\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7\u4e24\u79cd\u65b9\u5f0f\u6765\u4f7f\u7528\u6838\u5fc3\u51fd\u6570\uff0c\u4e00\u79cd\u662f\u5c06\u5176\u4f5c\u4e3a\u5bf9\u8c61\u4f7f\u7528\uff0c\u6b64\u65f6\u5b83\u662f\u4e00\u4e2a\u5de5\u5177\u7c7b\uff0c\u5728\u5176\u4e2d\u5c01\u88c5\u4e86\u4e00\u4e9b\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n\n\n\n<ul><li>jQuery.contains()<\/li><li>jQuery.isArray()<\/li><li>jQuery.isFunction()<\/li><li>jQuery.isNumeric()<\/li><li>&#8230;&#8230;<\/li><\/ul>\n\n\n\n<p>\u53e6\u4e00\u79cd\u662f\u5c06\u5176\u4f5c\u4e3a\u51fd\u6570\u8c03\u7528\uff0c\u6839\u636e\u53c2\u6570\u7684\u4e0d\u540c\u53ef\u4ee5\u4f1a\u53d1\u6325\u4e0d\u540c\u7684\u4f5c\u7528\u3002 <\/p>\n\n\n\n<ul><li>jQuery(\u51fd\u6570)<\/li><li>jQuery(\u9009\u62e9\u5668)<\/li><li>jQuery(DOM\u5bf9\u8c61)<\/li><li>jQuery(HTML\u4ee3\u7801)<\/li><\/ul>\n\n\n\n<p>\u6ce8\u610f\uff1a\u4e0a\u8ff0\u7f16\u5199\u4ee3\u7801\u65f6\u53ef\u4ee5\u4f7f\u7528$\u4ee3\u66ffjQuery\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570<\/h3>\n\n\n\n<p>\u5f53\u4f7f\u7528\u51fd\u6570\u4f5c\u4e3ajQuery\u7684\u53c2\u6570\u65f6\uff0cjQuery\u4f1a\u4f7f\u8be5\u51fd\u6570\u5728\u6587\u6863\u52a0\u8f7d\u5b8c\u6bd5\u540e\u6267\u884c\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>$(function(){\n    \n})<\/code><\/pre><\/div>\n\n\n\n<p>\u7b49\u4ef7\u4e8e<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>document.addEventListener(&quot;DOMContentLoaded&quot;, function(){\n    \n})<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u9009\u62e9\u5668\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570<\/h3>\n\n\n\n<p>\u5982\u679c\u5c06\u4e00\u4e2a\u9009\u62e9\u5668\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u6838\u5fc3\u51fd\u6570\uff0c\u5219jQuery\u4f1a\u6839\u636e\u9009\u62e9\u5668\u53bb\u9875\u9762\u4e2d\u67e5\u8be2\u5143\u7d20\uff0c\u5e76\u5c06\u67e5\u8be2\u5230\u7684\u5143\u7d20\u8fd4\u56de\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>var $box1 = $(&quot;#box1&quot;) \/\/ \u83b7\u53d6id\u4e3abox1\u7684\u5143\u7d20\nvar $news = $(&quot;.news&quot;) \/\/ \u83b7\u53d6class\u4e3anews\u7684\u5143\u7d20\nvar $hello = $(&quot;[title=hello]&quot;) \/\/ \u83b7\u53d6title\u5c5e\u6027\u4e3ahello\u7684\u5143\u7d20<\/code><\/pre><\/div>\n\n\n\n<p>\u6ce8\u610f\uff01\u901a\u8fc7jQuery\u6838\u5fc3\u51fd\u6570\u83b7\u53d6\u5230\u7684\u5bf9\u8c61\u5e76\u4e0d\u662f\u6211\u4eec\u6240\u719f\u6089\u7684DOM\u5bf9\u8c61\uff0c\u800c\u662f\u4e00\u4e2a\u7531jQuery\u5b9a\u4e49\u7684\u65b0\u5bf9\u8c61\uff0c\u4e3a\u4e86\u548c\u6211\u4eec\u719f\u6089\u7684DOM\u5bf9\u8c61\u505a\u533a\u5206\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u6211\u4eec\u79f0\u4e4b\u4e3ajQuery\u5bf9\u8c61\u3002\u8bb0\u4f4f\uff01\u901a\u8fc7jQuery\u6838\u5fc3\u51fd\u6570\u83b7\u53d6\u5230\u7684\u5bf9\u8c61\u662fjQuery\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>DOM\u5bf9\u8c61\u672c\u8eab\u5b58\u5728\u7740\u4e00\u4e9b\u4e0d\u8db3\uff0c\u6bd4\u5982\u517c\u5bb9\u95ee\u9898\u3001\u64cd\u4f5c\u4e0d\u65b9\u4fbf\u7b49\uff0c\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0cjQuery\u8bbe\u8ba1\u4e86\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\uff0cjQuery\u5bf9\u8c61\u3002\u53ef\u4ee5\u5c06jQuery\u5bf9\u8c61\u7406\u89e3\u4e3aDOM\u5bf9\u8c61\u7684\u5347\u7ea7\u7248\uff0c\u4e3aDOM\u5bf9\u8c61\u589e\u52a0\u4e86\u8bb8\u591a\u529f\u80fd\uff0c\u540c\u65f6\u89e3\u51b3\u4e86DOM\u5bf9\u8c61\u7684\u517c\u5bb9\u6027\u95ee\u9898\uff0c\u5173\u4e8ejQuery\u5bf9\u8c61\u7684\u7ec6\u8282\u540e\u7eed\u8bb2\u89e3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DOM\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570<\/h3>\n\n\n\n<p>\u5982\u679c\u5c06\u4e00\u4e2aDOM\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\uff0c\u6838\u5fc3\u51fd\u6570\u4f1a\u5c06\u5176\u8f6c\u6362\u4e3ajQuery\u5bf9\u8c61\u5e76\u8fd4\u56de\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>var box1 = document.getElementById(&quot;box1&quot;) \/\/ \u83b7\u53d6DOM\u5bf9\u8c61\nvar $box1 = $(box1) \/\/ \u8f6c\u6362\u4e3ajQuery\u5bf9\u8c61<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">HTML\u4ee3\u7801\u4f5c\u4e3a\u53c2\u6570<\/h3>\n\n\n\n<p>\u5982\u679c\u5c06\u4e00\u6bb5HTML\u4ee3\u7801\u4f5c\u4e3a\u53c2\u6570\uff0c\u6838\u5fc3\u51fd\u6570\u4f1a\u6839\u636eHTML\u4ee3\u7801\u521b\u5efajQuery\u5bf9\u8c61\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>var $div = $(&quot;&lt;div\/&gt;&quot;)\nvar $span = $(&quot;&lt;span&gt;\u8fd9\u662f\u4e00\u4e2aspan&lt;\/span&gt;&quot;)<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">jQuery\u5bf9\u8c61<\/h2>\n\n\n\n<p>\u5982\u4e0a\u6240\u8ff0\uff0cjQuery\u5bf9\u8c61\u65f6jQuery\u4e2d\u65b0\u5b9a\u4e49\u7684\u5bf9\u8c61\uff0c\u5b83\u50cf\u662f\u4e00\u4e2a\u7528\u6765\u5b58\u50a8DOM\u5bf9\u8c61\u7684\u6570\u7ec4\uff08\u7c7b\u578b\u5e76\u4e0d\u662fArray\uff09\u3002\u53ef\u4ee5\u901a\u8fc7length\u6765\u83b7\u53d6\u5176\u4e2dDOM\u5143\u7d20\u7684\u6570\u91cf\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u6765\u83b7\u53d6\u5176\u4e2d\u7684\u67d0\u4e2a\u5143\u7d20\u3002\u4f46\u662fjQuery\u5bf9\u8c61\u53c8\u5e76\u4e0d\u662f\u90a3\u4e48\u7684\u7b80\u5355\uff0c\u5728\u5b83\u91cc\u8fb9\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u5f88\u591a\u597d\u7528\u7684\u65b9\u6cd5\uff0c\u4f7f\u6211\u4eec\u53ef\u4ee5\u5feb\u901f\u7684\u64cd\u4f5c\u5176\u4e2d\u7684DOM\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528jQuery\u5bf9\u8c61\u8fdb\u884cDOM\u64cd\u4f5c\u65f6\uff0c\u65e0\u9700\u518d\u8c03\u7528\u539f\u751fDOM\u7684\u65b9\u6cd5\uff0c\u76f4\u63a5\u8c03\u7528jQuery\u5bf9\u8c61\u7684\u65b9\u6cd5\u5373\u53ef\u3002\u901a\u8fc7jQuery\u5bf9\u8c61\u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\u65f6\uff0c\u4f1a\u540c\u65f6\u4fee\u6539jQuery\u5bf9\u8c61\u4e2d\u7684\u6240\u6709DOM\u5bf9\u8c61\uff0c\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=&quot;zh&quot;&gt;\n    &lt;head&gt;\n        &lt;meta charset=&quot;UTF-8&quot; \/&gt;\n        &lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=edge&quot; \/&gt;\n        &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot; \/&gt;\n        &lt;title&gt;Document&lt;\/title&gt;\n        &lt;script src=&quot;.\/script\/jquery\/jquery-3.6.1.min.js&quot;&gt;&lt;\/script&gt;\n    &lt;\/head&gt;\n    &lt;body&gt;\n        &lt;ul&gt;\n            &lt;li&gt;\u5b59\u609f\u7a7a&lt;\/li&gt;\n            &lt;li&gt;\u732a\u516b\u6212&lt;\/li&gt;\n            &lt;li&gt;\u6c99\u548c\u5c1a&lt;\/li&gt;\n            &lt;li&gt;\u5510\u50e7&lt;\/li&gt;\n        &lt;\/ul&gt;\n       \n        &lt;script&gt;\n\n            $(&quot;li&quot;).text(&quot;\u65b0\u503c&quot;)\n\n        &lt;\/script&gt;\n    &lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre><\/div>\n\n\n\n<p>\u4e0a\u4f8b\u4e2d\uff0c\u9875\u9762\u4e2d\u6709\u56db\u4e2ali\uff0c<code>$(\"li\")<\/code>\u901a\u8fc7\u9009\u62e9\u5668\u83b7\u53d6\u9875\u9762\u4e2d\u7684\u6240\u6709li\uff0c<code>text()<\/code>\u662fjQuery\u5bf9\u8c61\u7684\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u6216\u4fee\u6539\u5143\u7d20\u5185\u90e8\u7684\u6587\u672c\u5185\u5bb9\u3002<code>$(\"li\").text(\"\u65b0\u503c\")<\/code>\u8c03\u7528\u540e\u4f1a\u4fee\u6539\u6240\u6709\u7684li\u4e2d\u7684\u6587\u672c\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e00\u7279\u6027\u88ab\u79f0\u4e3a<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u9690\u5f0f\u8fed\u4ee3<\/mark>\uff0c\u9690\u5f0f\u8fed\u4ee3\u7684\u5b58\u5728\u4f7f\u5f97\u6211\u4eec\u5728\u4fee\u6539\u591a\u4e2aDOM\u5143\u7d20\u65f6\u4e0d\u518d\u9700\u8981\u904d\u5386\uff0c\u4e00\u4e2a\u65b9\u6cd5\u5373\u53ef\u4fee\u6539\u6240\u6709\u5143\u7d20\u3002\u4f46\u662f\u9690\u5f0f\u8fed\u4ee3\u5e76\u4e0d\u610f\u5916\u7740\u4e0d\u8fed\u4ee3\u4e0d\u904d\u5386\uff0c\u5b9e\u9645\u7684\u904d\u5386\u64cd\u4f5c\u5728jQuery\u5bf9\u8c61\u5185\u90e8\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>jQuery\u5bf9\u8c61\u7684\u5927\u90e8\u5206\u65b9\u6cd5\u90fd\u4f1a\u5c06jQuery\u5bf9\u8c61\u81ea\u8eab\u4f5c\u4e3a\u8fd4\u56de\u503c\uff0c\u8fd9\u610f\u5473\u7740\u901a\u8fc7jQuery\u5bf9\u8c61\u8c03\u7528\u65b9\u6cd5\u540e\uff0c\u53ef\u4ee5\u7ee7\u7eed\u8c03\u7528\u5176\u4ed6\u7684\u65b9\u6cd5\uff0c\u6bd4\u5982\u8fd9\u6837\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\"><code>&lt;!DOCTYPE html&gt;\n&lt;html lang=&quot;zh&quot;&gt;\n    &lt;head&gt;\n        &lt;meta charset=&quot;UTF-8&quot; \/&gt;\n        &lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=edge&quot; \/&gt;\n        &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot; \/&gt;\n        &lt;title&gt;Document&lt;\/title&gt;\n        &lt;script src=&quot;.\/script\/jquery\/jquery-3.6.1.min.js&quot;&gt;&lt;\/script&gt;\n    &lt;\/head&gt;\n    &lt;body&gt;\n        &lt;ul&gt;\n            &lt;li&gt;\u5b59\u609f\u7a7a&lt;\/li&gt;\n            &lt;li&gt;\u732a\u516b\u6212&lt;\/li&gt;\n            &lt;li&gt;\u6c99\u548c\u5c1a&lt;\/li&gt;\n            &lt;li&gt;\u5510\u50e7&lt;\/li&gt;\n        &lt;\/ul&gt;\n\n        &lt;script&gt;\n\n            $(&quot;li&quot;).text(&quot;\u65b0\u7684\u5185\u5bb9&quot;).css({color:&quot;red&quot;})\n\n        &lt;\/script&gt;\n    &lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre><\/div>\n\n\n\n<p><code>$(\"li\").text(\"\u65b0\u7684\u5185\u5bb9\").css({color:\"red\"})<\/code>\u5728\u4fee\u6539\u6587\u672c\u540e\u7ee7\u7eed\u4fee\u6539jQuery\u5bf9\u8c61\u7684\u6837\u5f0f\uff0c\u8fd9\u4e00\u7279\u6027\u88ab\u79f0\u4e3a<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u94fe\u5f0f\u8c03\u7528<\/mark>\uff0c\u901a\u8fc7\u94fe\u5f0f\u8c03\u7528\u53ef\u4ee5\u4e00\u6b21\u6027\u5bf9jQuery\u5bf9\u8c61\u505a\u591a\u4e2a\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e38\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>addClass()<\/p>\n\n\n\n<ul><li>\u4e3ajQuery\u5bf9\u8c61\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2aclass<\/li><\/ul>\n\n\n\n<p>hasClass()<\/p>\n\n\n\n<ul><li>\u68c0\u67e5jQuery\u5bf9\u8c61\u662f\u5426\u542b\u6709\u67d0\u4e2aclass<\/li><\/ul>\n\n\n\n<p>removeClass()<\/p>\n\n\n\n<ul><li>\u5220\u9664jQuery\u5bf9\u8c61\u7684\u6307\u5b9aclass<\/li><\/ul>\n\n\n\n<p>toggleClass()<\/p>\n\n\n\n<ul><li>\u5207\u6362jQuery\u5bf9\u8c61\u7684\u6307\u5b9aclass<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>clone()<\/p>\n\n\n\n<ul><li>\u590d\u5236jQuery\u5143\u7d20<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>unwrap()<\/p>\n\n\n\n<ul><li>\u53bb\u9664\u7236\u5143\u7d20<\/li><\/ul>\n\n\n\n<p>wrap()<\/p>\n\n\n\n<ul><li>\u6dfb\u52a0\u7236\u5143\u7d20<\/li><\/ul>\n\n\n\n<p>wrapAll()<\/p>\n\n\n\n<ul><li>\u6dfb\u52a0\u7236\u5143\u7d20<\/li><\/ul>\n\n\n\n<p>wrapInner()<\/p>\n\n\n\n<ul><li>\u5728\u5143\u7d20\u5185\u90e8\u589e\u52a0\u4e00\u5c42<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>append()<\/p>\n\n\n\n<ul><li>\u6dfb\u52a0\u5b50\u5143\u7d20<\/li><\/ul>\n\n\n\n<p>appendTo()<\/p>\n\n\n\n<ul><li>\u6dfb\u52a0\u5230\u7236\u5143\u7d20<\/li><\/ul>\n\n\n\n<p>prepend()<\/p>\n\n\n\n<ul><li>\u5411\u524d\u6dfb\u52a0\u5b50\u5143\u7d20<\/li><\/ul>\n\n\n\n<p>prependTo()<\/p>\n\n\n\n<ul><li>\u6dfb\u52a0\u5230\u7236\u5143\u7d20\u524d<\/li><\/ul>\n\n\n\n<p>html()<\/p>\n\n\n\n<ul><li>\u8bfb\u53d6\u6216\u8bbe\u7f6ehtml\u4ee3\u7801<\/li><\/ul>\n\n\n\n<p>text()<\/p>\n\n\n\n<ul><li>\u8bfb\u53d6\u6216\u8bbe\u7f6e\u6587\u672c\u5185\u5bb9<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator 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