js 短信倒计时60s
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<style>
#getCode {
width: 9rem;
height: 3rem;
line-height: 3rem;
font-size: 1.2rem;
background-color: #3a3a3a;
color: #fff;
border-radius: 0.8rem;
border: none;
text-align: center;
}
#getCode[disabled] {
background-color: #B6B6B6;
}
</style>
<body>
<button id="getCode">获取验证码</button>
</body>
<script src="https://cdn.bootcss.com/jquery/1.7.2/jquery.min.js"></script>
<script>
$(function() {
//获取验证码
var getCode = document.getElementById('getCode');
var wait = 60;
function time(btn) {
if (wait === 0) {
btn.removeAttribute("disabled");
btn.innerHTML = "获取验证码";
wait = 60;
} else {
btn.setAttribute("disabled", true);
btn.innerHTML = wait + "秒后重试";
wait--;
setTimeout(function() {
time(btn);
}, 1000);
}
}
getCode.onclick = function() {
time(this);
};
})
</script>
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