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代码编辑器：
<!DOCTYPE html> <meta charset="utf-8"> <h4>没有单元格间距:</h4> <table border="1"> <tr> <td>First</td> <td>Row</td> </tr> <tr> <td>Second</td> <td>Row</td> </tr> </table> <h4>单元格间距="0":</h4> <table border="1" cellspacing="0"> <tr> <td>First</td> <td>Row</td> </tr> <tr> <td>Second</td> <td>Row</td> </tr> </table> <h4>单元格间距="10":</h4> <table border="1" cellspacing="10"> <tr> <td>First</td> <td>Row</td> </tr> <tr> <td>Second</td> <td>Row</td> </tr> </table>
运行结果：