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<!DOCTYPE HTML>
<html>
<head>
<title>JS实现button点击之后60秒后才可以再次点击</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
<style type="text/css">
.cen {
text-align: center
}
</style>
</head>
<body>
<div class="cen">
<button id='test'>免费获取验证码</button>
</div>
<script type="text/javascript">
var waitTime = 60;
document.getElementById("test").onclick = function() {
time(this);
}
function time(ele) {
if (waitTime == 0) {
ele.disabled=false;
ele.innerHTML = "免费获取验证码";
waitTime = 60;// 恢复计时
} else {
ele.disabled=true;
ele.innerHTML = waitTime + "秒后可以重新发送";
waitTime--;
setTimeout(function() {
time(ele)// 关键处-定时循环调用
}, 1000)
}
}
</script>
</body>
</html>