轮播图 

<!DOCTYPE html> <html lang="en" xmlns="http://www.w3.org/1999/html"> <head>     <meta charset="UTF-8">     <title>Title</title>     <script>
        var num = 1 ;         function change() {             num++;             if(num > 3) {                 num =1;             }             var p1 = document.getElementById("p1");             p1.src=""+num+".jpg";         }         setInterval(change,2000)
     </script> </head> <body> <img src="1.jpg" id="p1">
 </body> </html>
posted @ 2019-07-07 13:43  带着书包去流浪  阅读(129)  评论(0)    收藏  举报