<!DOCTYPE html>
2 <html>
3 <head>
4 <meta charset="UTF-8">
5 <title>验证用户输入的密码</title>
6 <script>
7 var password = prompt(‘请输入密码：‘);
8 if (password == ‘123456‘) {
9 alert(‘密码输入正确！‘);
10 } else {
11 alert(‘密码输入错误！‘);
12 }
13 </script>
14 </head>
15 <body></body>
16 </html>
原文：https://www.cnblogs.com/huaobin/p/14162613.html