<html>
<head>
<meta charset="UTF-8">
<title>选择器</title>
<script language="JavaScript" src="jquery.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
var item=document.getElementById("tb");
})
</script>
</head>
<body>
<table id="tb">
<tbody>
<tr><td>1</td><td>1</td></tr>
<tr><td>2</td><td>2</td></tr>
<tr><td>3</td><td>3</td></tr>
<tr><td>4</td><td>4</td></tr>
<tr><td>5</td><td>5</td></tr>
<tr><td>6</td><td>6</td></tr>
</tbody>
</table>
</body>
</html>
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