js 怎么传递参数

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>testPic</title>
    <script src="IndusJS/jquery.min.js"></script> 
    <script type="text/javascript">function testID(id)
        {
          var itt = id;
          $("#" + itt + "").html(\'传递过来的值\');
        }
    </script>
</head>
<body>
 
        <div id="t1"></div>
        <input type="button" value="测试传递ID值" onclick="testID(\'t1\')" />

</body>
</html>

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