tryjsref_node_childnodes 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教程(w3cschool.cn)</title>
</head>
<body>
    
<p id="demo">单击“按钮”获取有关身体元素的子节点的信息</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
    var txt="";
    var c=document.body.childNodes;
    for (i=0; i<c.length; i++){
        txt=txt + c[i].nodeName + "<br>";
    };
    var x=document.getElementById("demo");  
    x.innerHTML=txt;
}
</script>
<p><strong>注意:</strong> 空格内元素看作是文本，文本是节点。</p>
</body>
</html>
 
 
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运行结果
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