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Table rows Collection

< Table Object

Example

Find out how many rows there are in a table:

var x = document.getElementById("myTable").rows.length;

The result of x will be:

2
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More "Try it Yourself" examples below.


Definition and Usage

The rows collection returns a collection of all <tr> elements in a table.

Note: The elements in the collection are sorted as they appear in the source code.

Tip: Use the insertRow() method to create a new row (<tr>).

Tip: Use the deleteRow() method to remove a row.

Tip: Use the insertCell() method to create a new cell (<td>).

Tip: Use the deleteCell() method to delete a cell.

Tip: Use the cells collection to return a collection of all <td> or <th> elements in a table.


Browser Support

Collection
rows Yes Yes Yes Yes Yes

Syntax

tableObject.rows

Properties

Property Description
length Returns the number of <tr> elements in the collection.

Note: This property is read-only

Methods

Method Description
[index] Returns the <tr> element from the collection with the specified index (starts at 0).

Note: Returns null if the index number is out of range
item(index) Returns the <tr> element from the collection with the specified index (starts at 0).

Note: Returns null if the index number is out of range
namedItem(id) Returns the <tr> element from the collection with the specified id.

Note: Returns null if the id does not exist

Technical Details

DOM Version: Core Level 2 Document Object
Return Value: An HTMLCollection Object, representing all <tr> elements in the <table> element. The elements in the collection are sorted as they appear in the source code

Examples

More Examples

Example

[index]

Alert the innerHTML of the first <tr> element (index 0) in the table:

alert(document.getElementById("myTable").rows[0].innerHTML;
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Example

item(index)

Alert the innerHTML of the first <tr> element (index 0) in the table:

alert(document.getElementById("myTable").rows.item(0).innerHTML);
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Example

namedItem(id)

Alert the innerHTML of the <tr> element with id="myRow" in the table:

alert(document.getElementById("myTable").rows.namedItem("myRow").innerHTML);
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Example

Change the content of the first table cell:

var x = document.getElementById("myTable").rows[0].cells;
x[0].innerHTML = "NEW CONTENT";
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Related Pages

HTML reference: HTML <tr> tag

JavaScript reference: HTML DOM TableRow Object


< Table Object