<!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>无标题页</title>
<script src="jquery-1.4.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
//全选
$("#btn1").click(function(){
$("input[name='checkbox']").attr("checked","true");
});
//取消全选
$("#btn2").click(function(){
$("input[name='checkbox']").removeAttr("checked");
});
//选中所有基数
$("#btn3").click(function(){
$("input[name='checkbox']:even").attr("checked","true");
});
//选中所有偶数
$("#btn6").click(function(){
$("input[name='checkbox']:odd").attr("checked","true");
});
//反选
$("#btn4").click(function(){
$("input[name='checkbox']").each(function(){
if($(this).attr("checked")){
$(this).removeAttr("checked");
}else{
$(this).attr("checked","true");
}
});
});
//获取选择项的值
$("#btn5").click(function(){
var str=[];
$("input[name='checkbox']:checkbox:checked").each(function(){
str.push($(this).val());
});
alert(str);
});
});
</script>
</head>
<body>
<input type="button" id="btn1" value="全选">
<input type="button" id="btn2" value="取消全选">
<input type="button" id="btn3" value="选中所有奇数">
<input type="button" id="btn6" value="选中所有偶数">
<input type="button" id="btn4" value="反选">
<input type="button" id="btn5" value="获取选中的所有值">
<br>
<input type="checkbox" name="checkbox" value="checkbox1">checkbox1
<input type="checkbox" name="checkbox" value="checkbox2">checkbox2
<input type="checkbox" name="checkbox" value="checkbox3">checkbox3
<input type="checkbox" name="checkbox" value="checkbox4">checkbox4
<input type="checkbox" name="checkbox" value="checkbox5">checkbox5
<input type="checkbox" name="checkbox" value="checkbox6">checkbox6
<input type="checkbox" name="checkbox" value="checkbox7">checkbox7
<input type="checkbox" name="checkbox" value="checkbox8">checkbox8
</body>
</html>
