tryjquery_dom_attr_callback 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"> 
<title>W3Cschool在线教程(w3cschool.cn)</title> 
<script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
    $("button").click(function(){
        $("#w3cschool").attr("href", function(i, origValue){
            return origValue + "/jquery";
        });
    });
});
</script>
</head>
<body>
<p><a href="http://www.w3cschool.cn" id="w3cschool">W3Cschool教程</a></p>
<button>修改 href值</button>
<p>点击按钮修改后，可以点击链接查看 href 属性是否变化。</p>
</body>
</html>
 
 
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运行结果
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