Jquery实现全选/取消全选
<!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>
??? <title>Jquery实现全选/取消全选</title>
?? ?<script src="jquery-1.7.1.js" type="text/javascript"></script>
?? ?<script type="text/javascript">
?? ??? ?function checkAll()
?????? {
?? ??? ??? ? $(":checkbox").attr("checked","true");
?? ??? ?}
?? ??? ?function uncheckAll()
?????? {
?? ??? ??? ??? $(":checkbox").each(function(){
?? ??? ??? ??? ? this.checked=false;
???????????????})
?????????}
?? ?</script>
</head>
<body>
<input type="checkbox" id="in1" />Jquery<br />
<input type="checkbox" id="in2" />JavaScript<br />
<input type="checkbox" id="in3" />ADO.net<br />
<p>
<input type="button" name="checkAll" value="全选" onclick="checkAll()" />
<input type="button" name="uncheckAll" value="取消全选" onclick="uncheckAll()" />
</p>
</body>
</html>
