日期:2014-05-16 浏览次数:20426 次
javascript实现全选,反选及全部选
? html 代码:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>无标题文档</title> <script language="javascript"> function select1(oper){ var arr= document.getElementsByName("fav"); for(var i=0;i<arr.length;i++){ switch(oper){ case 1: arr[i].checked=oper; break; case 0: arr[i].checked=oper; break; case -1: arr[i].checked=! arr[i].checked; break; } } } </script> </head> <body> <input type="checkbox" name="fav" value="吃饭"/>吃放 <input type="checkbox" name="fav" value="吃饭2"/>吃放2 <input type="checkbox" name="fav" value="吃饭3"/>吃放3 <input type="checkbox" name="fav" value="吃饭4"/>吃放5 <input type="checkbox" name="fav" value="吃饭6"/>吃放6 <input type="checkbox" name="fav" value="吃饭7"/>吃放7 <input type="checkbox" name="fav" value="吃饭8"/>吃放8 <input type="button" value="全选" onclick="select1(1)" /> <input type="button" value="反选" onclick="select1(-1)" /> <input type="button" value="取消" onclick="select1(0)" /> </body> </html>
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