模拟网页启动页 

<!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/2.jpg" alt="">
        <a href="javascript:void(0);" class="close">关闭</a>
    </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').fadeOut(200);
            }
        };
        $('.first_click').one('click',function(){
            $('.first_banner').fadeIn(200);
            myFn();
            timer = setInterval(myFn,1000);
        }).click();
        $('.close').bind('click',function(){
            clearInterval(timer);
            $('.first_banner').fadeOut(200);
        });
    });
</script>
</body>
</html>

 

posted on 2016-09-10 21:45  jasonduanmu  阅读(215)  评论(0)  编辑  收藏  举报

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