js-图片自动播放 

 1 <!DOCTYPE html>
 2 <html>
 3 <head lang="en">
 4     <meta charset="UTF-8">
 5     <title></title>
 6 </head>
 7 <body>
 8 <img id="img" src="gallery-img1.png" alt=""/>
 9 </body>
10 </html>
11 <script>
12     var img = document.getElementById("img");
13     var arr = ["./gallery-img1.png","./gallery-img2.png","./gallery-img3.png"];
14 
15     var i=1;  //因为打开就是第一张图片,如果从i=0开始,就延迟1秒
16 
17     setInterval(( function s(){
18         img.src=arr[i];
19         i++;
20         if(i>arr.length){
21             i=0;
22             img.src=arr[i];
23             i++;
24         }
25     }),1000);
26 </script>

 

posted @ 2015-09-27 22:00  -Amy-  阅读(1610)  评论(0)    收藏  举报