验证码60秒倒计时

 

验证码60秒倒计时（jQuery），

代码如下： 

//验证码倒计时 var countdown = 60; var st; function settime(element) { if (countdown != 0) { st = setTimeout(function () { settime(element); }, 1000); } if (countdown == 0) { element.removeAttr("disabled"); element.val("获取验证码"); element.removeAttr("style"); countdown = 60; window.clearTimeout(st); } else { element.attr("disabled", true); element.css({"background":"#CCC","color":"#fff"}); element.val("重新发送(" + countdown + ")"); countdown--; } }

 

转载于:https://www.cnblogs.com/wteng/p/5523256.html

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