<body>
手机号码: <input type="number" /> <button>发送</button>
<script type="text/javascript">
var btn = document.querySelector('button');
var time = 10 ;//剩下的秒数
btn.addEventListener('click',function(){
btn.disabled = true;
//添加定时器
var timer = setInterval(function(){
if(time == 0) {
//清除定时器和复原按钮
clearInterval(timer);
btn.disabled = false;
btn.innerHTML = '重新发送';
time = 10;
}else{
btn.innerHTML = '还剩下' + time + '秒' ;
time -= 1 ;
}
},1000)
})
</script>
</body>
JS sends the phone verification code countdown
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Origin blog.csdn.net/Guoxuxinwen/article/details/104577383
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