HTML DOM td / th rowSpan property
td / th objects Definition and Usage
rowSpan property sets or returns the number of rows spanned by cell.
grammar
Setting rowSpan properties:
tdObject.rowSpan="number"
或者
thObject.rowSpan="number"
或者
thObject.rowSpan="number"
Back rowSpan properties:
tdObject.rowSpan
或者
thObject.rowSpan
或者
thObject.rowSpan
Tip: rowSpan property has no default value.
| 值 | 描述 |
|---|---|
| number | 定义单元横跨的行数 |
Browser Support
All major browsers support rowSpan property
Examples
Examples
The following example changes the table rows yuan crossings:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
document.getElementById("myHeader1").rowSpan="2";
}
</script>
</head>
<body>
<table border="1">
<tr>
<th id="myHeader1">Month</th>
<th id="myHeader2">Savings</th>
</tr>
<tr>
<td>January</td>
<td>$100.00</td>
</tr>
<tr>
<td>February</td>
<td>$10.00</td>
</tr>
<tr>
<td>March</td>
<td>$80.00</td>
</tr>
</table>
<br>
<button type="button" onclick="displayResult()">修改第一个单元格横跨的行数</button>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
document.getElementById("myHeader1").rowSpan="2";
}
</script>
</head>
<body>
<table border="1">
<tr>
<th id="myHeader1">Month</th>
<th id="myHeader2">Savings</th>
</tr>
<tr>
<td>January</td>
<td>$100.00</td>
</tr>
<tr>
<td>February</td>
<td>$10.00</td>
</tr>
<tr>
<td>March</td>
<td>$80.00</td>
</tr>
</table>
<br>
<button type="button" onclick="displayResult()">修改第一个单元格横跨的行数</button>
</body>
</html>
try it"
td / th objects