加上代碼<script src="https://www.mimisucai.com/js/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
$('#gobtn').click(function(){
location.href='/';
});
var timeNum = 5;
//秒速變化
setInterval(function(){
timeNum = timeNum -1
$('#timer').text(timeNum);
}1000);
//3秒后轉(zhuǎn)向首頁
setTimeout(function(){
window.location = '/';
}3000);
});
</script>