js发送短信验证码倒计时效果
<input type="number"><button class="send">发送</button>
var send = document.querySelector('.send')
var timer6 = null
send.addEventListener('click', function () {
this.disabled = true
var time = 3
timer6 = setInterval(function () {
console.log(time)
if (time == 0) {
clearInterval(timer6)
send.disabled = false
send.innerHTML = '发送'
} else {
send.innerHTML = '还剩下' + time + '秒'
time--
}
}, 1000)
})
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