弹出广告 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <style>
            div{
                max-height: 400px;
                width: 2000px;
                margin: 0 auto;
            }
            
        </style>
        <script>
            window.onload=function(){
                
            
            time=setInterval("showImg()",1000);
            time1=setInterval("hiddenImg()",3000);
            
            }
            function showImg(){
                document.getElementById("img1").style.display="block";
                clearInterval(time);
            }
            function hiddenImg(){
                document.getElementById("img1").style.display="none";
                clearInterval(time1);
            }
        </script>
    </head>
    <body>
        <div>
        <img src="img/banner1.jpg" id="img1" style="display: none;" />
        </div>
    </body>
</html>

 

posted @ 2019-03-08 11:29  芯-觞  阅读(96)  评论(0)    收藏  举报