1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <title>Document</title>
6 <script type="text/javascript">
7 window.onload = function(){
8 var oBtn = document.getElementById('btn01')
9
10 // 匿名函数
11 oBtn.onclick = function(){
12 var oDiv = document.getElementById('div1');
13 oDiv.style.color = 'red';
14 oDiv.style.fontSize = '20px'
15 };
16 }
17
18 // fnChange()
19
20 </script>
21 </head>
22 <body>
23 <div id="div1">这是一个div</div>
24 <input type="button" name="" value="改变div" id="btn01">
25 </body>
26 </html>