tryjsref_attr_name 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool在线教程(w3cschool.cn)</title>
</head>
<body>
<p id="demo">单击按钮来显示按钮第一个属性的名称</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
    var btn=document.getElementsByTagName("button")[0];
    var x=document.getElementById("demo");
    x.innerHTML=btn.attributes[0].name;
}
</script>
<p><strong>注意:</strong> In Internet Explorer 8 及更早的版本, attributes属性将返回所有元素属性的集合，并且在这个例子里，显示不同属性的名称。</p>
</body>
 
 
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运行结果
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