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jqurey的引入方式
A微信视频直播衡阳微生活的博客
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790 people have browsed it

jQuery 二种引入方式，一种是CDN引用，如下

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>jquery的二种引入方式</title>
    <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
    <script>
//    window.onload:在页面元素全部加载完后自动调用的事件 ===$(document).ready(function(){})
//   $(document).ready(function(){})的简写 $(function () {})
        $(function () {
            $('h2').css('background','blue')
        })
    </script>
   
</head>
<body>
    <h2>jQuery使用cdn在线引用)</h2>
</body>
</html>

运行实例 »

点击 "运行实例" 按钮查看在线实例

一种是本地引用，事先把jq类库下载到本地电脑，如下

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>jquery的二种引入方式</title>
    <script src="../jquery.min.js"></script>
    <script>
//    window.onload:在页面元素全部加载完后自动调用的事件 ===$(document).ready(function(){})
//   $(document).ready(function(){})的简写 $(function () {})
        $(function () {
            $('h2').css('background','blue')
        })
    </script>
   
</head>
<body>
    <h2>jQuery本地引用)</h2>
</body>
</html>

运行实例 »

点击 "运行实例" 按钮查看在线实例


Correction status：Uncorrected

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