JS点击2 

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Document</title>
 6     <style type="text/css">
 7         #div1{
 8             width: 200px;
 9             height: 200px;
10             border: 1px solid black;
11         }
12     </style>
13     <script type="text/javascript">
14     function toChange(name, value){
15         var a=document.getElementById("div1");
16         a.style[name]=value;
17     }
18     </script>
19 </head>
20 <body>
21     <input type="button" value="变蓝" onclick="toChange('background', 'blue')" />
22     <input type="button" value="变高" onclick="toChange('height', '300px')"/>
23     <input type="button" value="变宽" onclick="toChange('width', '300px')"/>
24     <div id="div1"></div>
25 </body>
26 </html>

 

posted @ 2019-09-06 19:17  New7  阅读(124)  评论(0)    收藏  举报