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tr cells Collection
tr Object
Definition and Usage
The cells collection returns a collection of all <td> or <th> elements in a table row.
Note: The elements in the collection are sorted as they appear in the source code.
Syntax
trObject.cells
Properties
| Property | Description |
|---|---|
| length | Returns the number of <td> or <th> elements in the collection |
Methods
| Method | Description |
|---|---|
| [name_or_index] | An integer that specifies the element to retrieve (starts at 0) |
| item(name_or_index) | Returns the element from the collection with the specified index/name/id |
| namedItem(name) | Returns the element from the collection with the specified name (name or id attribute) |
Browser Support
The cells collection is supported in all major browsers.
Example
Example
Show the number of cells in the first row:
<html>
<head>
<script type="text/javascript">
function displayResult()
{
alert(document.getElementById("myTable").rows[0].cells.length);
}
</script>
</head>
<body>
<table id="myTable" border="1">
<tr>
<td>cell 1</td>
<td>cell 2</td>
</tr>
<tr>
<td>cell 3</td>
<td>cell 4</td>
</tr>
</table>
<br />
<button type="button" onclick="displayResult()">Show number of cells</button>
</body>
</html>
<head>
<script type="text/javascript">
function displayResult()
{
alert(document.getElementById("myTable").rows[0].cells.length);
}
</script>
</head>
<body>
<table id="myTable" border="1">
<tr>
<td>cell 1</td>
<td>cell 2</td>
</tr>
<tr>
<td>cell 3</td>
<td>cell 4</td>
</tr>
</table>
<br />
<button type="button" onclick="displayResult()">Show number of cells</button>
</body>
</html>
Try it yourself »
More Table Examples
Alert the content of the first row
Add a cell to a table row through the rows collection
Vertical align the cell content in a table row
Vertical align the cell content in a single cell
Change the content of a table cell
Change the colspan of a table row
tr Object
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Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.