fmpq.com
源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> <p id="demo">单击按钮获取body元素子节点的节点名称。</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> 空格元素是文本，文本是节点</p> </body> </html>
运行结果