fmpq.com
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> <script> function displayResult(){ document.getElementById("ul1").style.listStyleType="square"; } </script> </head> <body> <ul id="ul1"> <li>Coffee</li> <li>Tea</li> <li>Water</li> <li>Soda</li> </ul> <br> <button type="button" onclick="displayResult()">修改列表项的标记类型</button> </body> </html>
运行结果