abstract：<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0">&
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Table</title>
<style type="text/css">
table {
width: 600px;
border: 1px solid black;
border-collapse: collapse;
background-color: lightcyan;
}
tr td {
height: 36px;
border: 1px solid black;
text-align: center;
}
</style>
</head>
<body>
<table>
<tr>
<th colspan="6" style="height: 36px;"//合并6列>學習課程表 </th>
</tr>
<tr>
<td>日期</td>
<td colspan="2">上午</td>
<td colspan="2">下午</td>
<td>備注</td>
</tr>
<tr>
<td>星期一</td>
<td>PHP課程</td>
<td>HTML課程</td>
<td>JS課程</td>
<td>PHP課程</td>
<td></td>
</tr>
<tr>
<td>星期二</td>
<td>PHP課程</td>
<td>JAVA課程</td>
<td>CSS課程</td>
<td>HTML課程</td>
<td></td>
</tr>
<tr>
<td>星期三</td>
<td>PHP課程</td>
<td>CSS課程</td>
<td>HTML課程</td>
<td>PHP課程</td>
<td></td>
</tr>
<tr>
<td>星期四</td>
<td>PHP課程</td>
<td>JS課程</td>
<td>HTML課程</td>
<td>JAVA課程</td>
<td></td>
</tr>
<tr>
<td>星期五</td>
<td>C++課程</td>
<td>HTML課程</td>
<td>JS課程</td>
<td>PHP課程</td>
<td></td>
</tr>
<tr>
<td>星期六</td>
<td>JAVAEE課程</td>
<td>HTML課程</td>
<td>JS課程</td>
<td>PHP課程</td>
<td></td>
</tr>
<tr>
<td>星期日</td>
<td>PHP課程</td>
<td>HTML課程</td>
<td>JS課程</td>
<td>PHP課程</td>
<td></td>
</tr>
</table>
</body>
</html>
Correcting teacher：天蓬老師Correction time：2019-06-24 10:15:36
Teacher's summary：建議以后將表格主體放在<tbody>標簽中, 就算你不加, 瀏覽器也會自動添加的, 否則你在用js來獲取表格元素的時候,會出問題