JavaScript DOM操作案例点击图片修改图片路径

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title></title>
 6 </head>
 7 <body>
 8 <a href="images/1.jpg" id="a1"><img src="images/1-small.jpg" alt="" id="im"/></a>
 9 <script>
10     //通过id获取图片元素,注册点击事件,添加事件处理函数
11     document.getElementById("im").onclick = function () {
12         //将图片路径设置为a标签的href
13         this.src = document.getElementById("a1").href;
14         //return false;
15     };
16 </script>
17 </body>
18 </html>

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