<button id="time">获取验证码</button>
var countdown = 60;
var but = document.getElementById('time');
but.addEventListener('click', function (e) {
setTime(this);
})
function setTime (elem) {
if (countdown === 0) {
elem.innerHTML = "获取验证码";
countdown = 5;
elem.disabled = false;
clearTimeout(anima);
} else {
countdown--;
elem.innerHTML = "重新获取(" + countdown + ")";
elem.disabled = true;
var anima = setTimeout(function () {
setTime(elem);
}, 1000);
}
}以上就是Javascript 获取验证码60秒倒计时的详细内容，更多请关注php中文网其它相关文章！
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