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> <ul><li>Coffee</li><li>Tea</li></ul> <p id="demo">单击“按钮”更改列表项的文本。</p> <button onclick="myFunction()">点我</button> <script> function myFunction(){ var list=document.getElementsByTagName("UL")[0] list.getElementsByTagName("LI")[0].innerHTML="Milk"; }; </script> </body> </html>
运行结果