HCNA Routing&Switching之RIP防環機制
# 表格
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>表格學習</title>
</head>
<body>
<!--表格 table
行標籤 tr rows
列標籤 td
-->
<table border="1px">
<tr>
<!--colspan 跨列-->
<td colspan="4">1-1</td>
</tr>
<tr>
<!--rowapsn 跨列-->
<td rowspan="2">2-1</td>
<td>2-2</td>
<td>2-3</td>
<td>2-4</td>
</tr>
<tr>
<td>3-1</td>
<td>3-2</td>
<td>3-3</td>
</tr>
</table>
<table border="1px">
<tr>
<td colspan="3">學生成績</td>
</tr>
<tr>
<td rowspan="2">斯嘉</td>
<td>語文</td>
<td>100</td>
</tr>
<tr>
<td>數學</td>
<td>100</td>
<tr>
<td rowspan="2">馬克</td>
<td>語文</td>
<td>100</td>
</tr>
<tr>
<td>數學</td>
<td>100</td>
</table>
</body>
</html>
```