<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<table border="1">
<thead>
<tr>
<th>IP</th>
<th>端口</th>
</tr>
</thead>
<tbody id="i1">
<tr><td>1.2.3.6</td><td>8888</td></tr>
<tr><td>1.2.335.6</td><td>9999</td></tr>
<tr><td>1.2.335.99</td><td>9933</td></tr>
</tbody>
</table>
<table border="10">
<thead>
<tr>
<th>IP</th>
<th>端口</th>
</tr>
</thead>
<tbody >
<tr onmouseover="m_over(this)" onmouseout="m_out(this)"><td>1.2.3.6</td><td>8888</td></tr>
<tr onmouseover="m_over(this)" onmouseout="m_out(this)"><td>1.2.335.6</td><td>9999</td></tr>
<tr onmouseover="m_over(this)" onmouseout="m_out(this)"><td>1.2.335.99</td><td>9933</td></tr>
</tbody>
</table>
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this.style.backgroundColor = '#e75e15';//记得用‘this’,当前这个对象
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</body>
</html>
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