发送验证码倒计时很简单,昨天作的,今天贴出来,作个记录,也请朋友看看,可以不优化一下!
<input type="button" id="fsyzm" onclick="timedCount()" class="btn5" value="发送校验码" />
<script type="text/javascript">
var Time=3, t;
var c=Time
function timedCount(){
document.getElementById('fsyzm').value="请稍等(" + c + ")";
document.getElementById('fsyzm').disabled="disabled";
c=c-1;
t=setTimeout("timedCount()",1000)
if(c<0){
c=Time;
stopCount();
document.getElementById('fsyzm').value="发送校验码";
document.getElementById('fsyzm').removeAttribute("disabled");
}
}
function stopCount(){
clearTimeout(t);
}
</script>