标签：body 免费 input func var isa http div bsp
<!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>js实现倒计时60秒的简单代码(推荐)</title> <script type="text/javascript" src="js/jquery.js"></script> </head> <body> <input type="button" id="btn" value="免费获取验证码" onclick="settime(this)" /> <script type="text/javascript"> var countdown=60; function settime(val) { if (countdown == 0) { val.removeAttribute("disabled"); val.value="免费获取验证码"; countdown = 60; } else { val.setAttribute("disabled", true); val.value="重新发送(" + countdown + ")"; countdown--; setTimeout(function() { settime(val) },1000) } } </script> </body> </html>
标签：body 免费 input func var isa http div bsp
原文地址：http://www.cnblogs.com/tzdy/p/7422179.html
