Js 单选按钮单击选中双击取消

1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5 <title>单选按钮，双击取消选中</title>
6  <script language="javascript" type="text/javascript">
7      window.onload = function() {
8                      //  setRadio("myDiv", "form1", "alreadySelected");
9                        var radios = document.getElementsByTagName("input");
10
11                        for (var i = 0; i < radios.length; i++) {
12                            if (radios[i].type == "radio") {
13                                radios[i].ondblclick = function() {
14                                    this.checked = false;
15                                }
16                            }
17
18
19                        }
20     }
21  </script>
22 </head>
23
24 <body>
25     A:<input type="radio" name="rad" value="0"  />
26     B:<input type="radio" name="rad" value="1"  />
27     C:<input type="radio" name="rad" value="2"  />
28     D:<input type="radio" name="rad" value="3"  />
29
30 </body>
31 </html>
32
33

posted on 2010-08-16 16:28 JimmyCai 阅读(1213) 评论(0) 编辑收藏举报

Js 单选按钮 单击选中 双击取消

Js 单选按钮单击选中双击取消