菜鸟学堂在线工具

源代码
 
<!DOCTYPE html>
<html>
    <head>
    <meta charset="utf-8">
    <title>菜鸟学堂</title>
    </head>
    <body>
    <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>
运行结果 在线运行