HTML DOM Table caption property
Table Object Definition and Usage
caption property returns a table caption element.
caption element defines the table headers.
Note: <caption> element defines a table header.<Caption> tag must be immediately after the <table> tag, each table can only specify a caption. Typically, caption will be located above the center of the table position.
grammar
tableObject.caption
Browser Support
All major browsers support caption property
Examples
Examples
The following example returns the form <caption> element of the text:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
alert(document.getElementById("myTable").tBodies.length);
}
</script>
</head>
<body>
<table id="myTable" border="1">
<tbody>
<tr>
<td>cell 1</td>
<td>cell 2</td>
</tr>
</tbody>
<tbody>
<tr>
<td>cell 3</td>
<td>cell 4</td>
</tr>
</tbody>
</table>
<br>
<button type="button" onclick="displayResult()">显示表中 tbody 元素的数目</button>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>本教程(w3big.com)</title>
<script>
function displayResult(){
alert(document.getElementById("myTable").tBodies.length);
}
</script>
</head>
<body>
<table id="myTable" border="1">
<tbody>
<tr>
<td>cell 1</td>
<td>cell 2</td>
</tr>
</tbody>
<tbody>
<tr>
<td>cell 3</td>
<td>cell 4</td>
</tr>
</tbody>
</table>
<br>
<button type="button" onclick="displayResult()">显示表中 tbody 元素的数目</button>
</body>
</html>
try it"
Table Object