效果:
html代码:
<input type="button" id="btn" value="点击获取效验码" />
js代码:
//倒计时var wait=60;function time(o) {if (wait == 0) {o.removeAttribute("disabled"); o.value="点击获取效验码";wait = 60;} else {o.setAttribute("disabled", true);o.value="重新发送(" + wait + ")";wait--;setTimeout(function() {time(o)},1000)}}//调用time(this);