- <!DOCTYPE html>
- <HTML>
- <head>
- <meta charset="utf-8" />
- <title>
- </title>
- </head>
- <body>
- <img id="image" />
- <script>
- function $(id) {
- return document.getElementById(id);
- }
- var index = 1;
- function setSrc() {
- $("image").src = "./img/" + index + ".png"; ++index;
- if (index == 3) {
- index = 1;
- }
- }
- setSrc();
- setInterval("setSrc()", 500);
- </script>
- </body>
- </HTML>
来源: http://www.jianshu.com/p/437a62cc7894