1564206324608 在线代码实例

实例代码( Tip: 登录后体验更佳 )

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.bootcss.com/jquery/2.2.4/jquery.js"></script>
</head>
<body>
<a href="www.w3cschool.cn">
   点击这里
</a> 
<script>
    $(function() {
      var val = $("a").attr("href");
      alert(val);
    });
</script>
</body>
</html>
 
 
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运行结果
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