<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<button id="btn-vcode" class="btn-vcode sigin_btn form_btn" type="button" style="border:none;">点击获取验证码</button>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js">
</script>
<script>
$(function(){
time($("#btn-vcode"));
});
var wait = 60;
function time(o) {
if (wait == 0) {
o.removeAttr("disabled");
o.html('验证码');
wait = 60;
} else {
o.attr("disabled", "disabled");
o.html(wait + "秒");
wait--;
setTimeout(function () {
time(o);
},
1000);
}
}
</script>
</body>
</html>