HTML DOM Table cells Collection

## JavaScript Reference

Overview

## JavaScript Objects

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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

Show the number of cells in the first row:

<html>
<head>
<script>
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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