fmpq.com
源代码：
点击运行
<!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>
运行结果