<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>css3</title>
<style type="text/css">
*{
margin:0;
padding: 0;
}
ul,li{
list-style: outside none none;
}
.box{
width: 600px;
margin: 0 auto;
}
.first_banner{
margin: 40px 0;
width: 100%;
height: 170px;
background: #ddd;
display: none;
position: relative;
}
.first_banner img{
width: 100%;
}
.first_banner time{
position: absolute;
right: 10px;
top: 10px;
font-family: "Microsoft Yahei";
}
</style>
</head>
<body>
<div class="box">
<input type="hidden" class="first_click" value="按钮" />
<div class="first_banner">
<time></time>
<img src="img/1.jpg" alt="">
</div>
</div>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
var timer = null;
var s = 5;
function myFn(){
$(‘time‘).html(s+"秒");
s--;
if(s<0){
clearInterval(timer);
$(‘.first_banner‘).hide();
}
};
$(‘.first_click‘).one(‘click‘,function(){
$(‘.first_banner‘).show();
myFn();
timer = setInterval(myFn,1000);
}).click();
});
</script>
</body>
</html>
时间： 2024-11-10 22:25:25