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<html>
<head>
<script src="ec/jquery/jquery-1.3.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
function test() {
$("div[id^='jq_'][id$='2'],div[id^='jq_'][id$='4']").css("background-color","red");
}
</script>
</head>
<body>
<div id="jq_1">jq_1</div>
<div id="jq_2">jq_2</div>
<div id="jq_12">jq_12</div>
<div id="sdf">sdf</div>
<div id="jq_3">jq_3</div>
<div id="jq_4">jq_4</div>
<div id="jq_24">jq_24</div>
<input type="button" id="except" value="选择以jq_开头, 2或4结尾的div" onclick="test()" />
</body>
</html>