<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>我们互动下</title> <script type="text/html"> function rec(){ document.write("JS进阶篇"); alert("关注JS高级篇"); } <input type="button" value="点击我" onClick="rec()"/> </script> </head> <body> </body> </html>
Input写错地方了。应该写在body里
<script type="text/html"> 这一句错了 改成<script type="text/javascript">