jquery的removeAttr()的使用
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Untitled Document</title>
<script language="JavaScript" src="../js/jquery-1.4.2.js"></script>
</head>
<body>
<form method="post" action="">
请选择您的爱好!
<br><input type="checkbox" id="checkedAll_2"/>全选/全不选
<br/>
<input type="checkbox" name="items" value="足球"/>足球
<input type="checkbox" name="items" value="篮球"/>篮球
<input type="checkbox" name="items" value="游泳"/>游泳
<input type="checkbox" name="items" value="唱歌"/>唱歌
<br/>
<input type="button" id="CheckedAll" value="全 选"/>
<input type="button" id="CheckedNo" value="全不选"/>
<input type="button" id="CheckedRev" value="反 选"/>
<input type="button" id="send" value="提 交"/>
</form>
</body>
<script language="JavaScript">
//<input type="button" id="CheckedAll" value="全 选"/>
$("#CheckedAll").click(function(){
/*
* <input type="checkbox" name="items" value="足球"/>足球
<input type="checkbox" name="items" value="篮球"/>篮球
<input type="checkbox" name="items" value="游泳"/>游泳
<input type="checkbox" name="items" value="唱歌"/>唱歌
*/
// $("input[name=items]").each(function(index,domEle){
// $(domEle).attr("checked","checked");
// });
$("input[name=items]").attr("checked","checked");
});
//<input type="button" id="CheckedNo" value="全不选"/>
$("#CheckedNo").click(function(){
// $("input[name=items]").attr("checked",null);
$("input[name=items]").removeAttr("checked");
});
//<input type="button" id="CheckedRev" value="反 选"/>
$("#CheckedRev").click(function(){
$("input[name=items]").each(function(index,domEle){
if($(domEle).attr("checked")){
$(domEle).attr("checked",null);
}else{
$(domEle).attr("checked","checked");
}
});
});
//<input type="checkbox" id="checkedAll_2"/>全选/全不选
$("#checkedAll_2").click(function(){
if($(this).attr("checked")){
$("input[name=items]").attr("checked","checked");
}else{
$("input[name=items]").attr("checked",null);
}
});
</script>
</html>
