getVarify.js
// 验证码计时——第一种window.onload = function () { ???var send = document.getElementById(‘send‘), //按钮ID ???????times = 10, // 别忘了改这里 ???????timer = null; ???send.onclick = function () { ???????// 计时开始 ???????send.disabled = true; ???????timer = setInterval(function () { ???????????times--; ???????????if (times <= 0) { ???????????????send.value = ‘获取验证码‘; ???????????????clearInterval(timer); ???????????????times = 5; ?// 别忘了改这里 ???????????????send.disabled = false; ???????????} else { ???????????????send.value = times + ‘秒后重试‘ ???????????????send.disabled = true; ???????????} console.log(times) ???????}, 1000); ???????// 发送请求获取验证码 ???????console.log("sending...") ???}}// 验证码计时——第二种// 参数：倒计时秒数, 按钮jquery对象, 倒计时结束时显示的文字// 可以放到短信发送完毕后的回调函数里// switchMSG(60, $("#get-verify"), ‘获取验证码‘)function switchMSG(times, ele, txt) { ???ele.prop(‘disabled‘, true) ???var idT = setInterval(function() { ???????if(times < 1) { ???????????ele.html(txt) ???????????ele.prop(‘disabled‘, false) ???????????clearInterval(idT) ???????} else { ???????????ele.html(times+‘s‘) ???????????times-- ???????} ???}, 1000)}验证码倒计时js
原文地址：https://www.cnblogs.com/lovellll/p/10206274.html