<!DOCTYPE html>
<html >
<head>
<title>全選，不全選，反選</title>
<meta charset="utf-8">
<script src="../js/jquery-1.4.4.min.js" type="text/javascript"></script>
<script>
$(function(){
$("#selectAll").click(function(){//選擇所有
$("#playList :checkbox").attr("checked",true);
})
$("#unSelect").click(function(){//全不選擇
$("#playList :checkbox").attr("checked",false);
})
$("#reverse").click(function(){//反選
$("#playList :checkbox").each(function(){
$(this).attr("checked",!$(this).attr("checked"));
})
})
});
</script>
</head>
<body>
<div id="playList">
<input type="checkbox" value="one" />one<br />
<input type="checkbox" value="two" />two<br />
<input type="checkbox" value="three" />three<br />
<input type="checkbox" value="four" />four<br />
<input type="checkbox" value="five" />five<br />
<input type="checkbox" value="sex" />sex
</div>
<input type="button" value="全選" id="selectAll" />
<input type="button" value="全不選" id="unSelect" />
<input type="button" value="反選" id="reverse" />
</body>
</html>
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