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<h2>学习列跨度</h2>
<table width="400" border="1">
<tr>
<td colspan="2">A</td>
<td>B</td>
<td>C</td>
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<tr>
<td>D</td>
<td colspan="3">E</td>
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<td>F</td>
<td>G</td>
<td>H</td>
<td>I</td>
</tr>
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<h2>学习行跨度</h2>
<table width="300" border="1">
<tr>
<td>A</td>
<td>B</td>
<td>C</td>
<td>D</td>
</tr>
<tr>
<td>E</td>
<td rowspan="2">F</td>
<td>G</td>
<td rowspan="3">H</td>
</tr>
<tr>
<td>I</td>
<td>J</td>
</tr>
<tr>
<td>K</td>
<td>L</td>
<td>M</td>
</tr>
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<h2>同时有行跨度和列跨度</h2>
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<tr>
<td>A</td>
<td>B</td>
<td>C</td>
<td>D</td>
</tr>
<tr>
<td>E</td>
<td rowspan="2">F</td>
<td rowspan="3" colspan="2">G</td>
</tr>
<tr>
<td>H</td>
</tr>
<tr>
<td>I</td>
<td>J</td>
</tr>
</table>
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