限制复选框的最大可选数

<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>html－www.51windows.Net</title> </head> <body> <SCRIPT LANGUAGE="JavaScript">  </SCRIPT> <form name="form" method="post"> <table align="center" border="1" cellpadding="5" cellspacing="0"> <tr> <td> <input type="CHECKBOX" name="sample1" onClick="doCheck(this)"> A</td> <td> <input type="CHECKBOX" name="sample2" onClick="doCheck(this)"> B</td> <td> <input type="CHECKBOX" name="sample3" onClick="doCheck(this)"> C</td> </tr> <tr> <td> <input type="CHECKBOX" name="sample4" onClick="doCheck(this)"> D</td> <td> <input type="CHECKBOX" name="sample5" onClick="doCheck(this)"> E</td> <td> <input type="CHECKBOX" name="sample6" onClick="doCheck(this)"> F</td> </tr> <tr> <td> <input type="CHECKBOX" name="sample7" onClick="doCheck(this)"> G</td> <td> <input type="CHECKBOX" name="sample8" onClick="doCheck(this)"> H</td> <td> <input type="CHECKBOX" name="sample9" onClick="doCheck(this)"> I</td> </tr> <tr> <td> <input type="CHECKBOX" name="sample10" onClick="doCheck(this)"> J</td> <td> <input type="CHECKBOX" name="sample11" onClick="doCheck(this)"> K</td> <td> <input type="CHECKBOX" name="sample12" onClick="doCheck(this)"> L</td> </tr> <tr> <td> <input type="CHECKBOX" name="sample13" onClick="doCheck(this)"> M</td> <td> <input type="CHECKBOX" name="sample14" onClick="doCheck(this)"> N</td> <td> <input type="CHECKBOX" name="sample15" onClick="doCheck(this)"> O</td> </tr> <tr> <td> <input type="CHECKBOX" name="sample16" onClick="doCheck(this)"> P</td> <td> <input type="CHECKBOX" name="sample17" onClick="doCheck(this)"> Q</td> <td> <input type="CHECKBOX" name="sample18" onClick="doCheck(this)"> R</td> </tr> </table> </form> </body> </html> <div style="position: absolute; top: 10; right: 10; width: 148; height: 18;cursor:hand"> <input type="button" name="Button" value="查看源代码" onClick= 'window.location = "view-source:" + window.location.href'></div>

　　推荐阅读

　　一段实时更新的时间代码

[ 2006/02/17 13:33 | by alin ] <div class="red" id="time"> <script>setInterval("time.innerHTML=new Date().toLocaleString()+' 星期'+'日一二三四五六'.charAt (new Date().ge>>>详细阅读

本文标题：限制复选框的最大可选数

地址：http://www.17bianji.com/kaifa2/JS/31713.html

1/2 1