<!DOCTYPE html>
<html>
<head>
<title>element选择器</title>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js" type="text/javascript"></script>
<meta charset="utf-8">
</head>
<body>
<button id="btntest">点我</button>
</body>
<script type="text/javascript">
$('#btntest').attr("disabled","true");
</script>
</html>
我是mike
2014-09-23
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