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# HTML DOM tr cells Collection [ tr Object](#) ### Example Display the number of cells in the first row: var x = document.getElementById("myTable").rows.cells.length; _x_ outputs: 2 [Try it »](#) * * * ## Definition and Usage The cells collection returns the number of or elements in a table row. **Note:** The elements in the collection are in the same order as they are in the source code. * * * ## Browser Support | Collection | | | | | | | --- | --- | --- | --- | --- | --- | | cells | Yes | Yes | Yes | Yes | Yes | * * * ## Syntax tableObject.cells * * * ## Properties | Property | Description | | --- | --- | | length | Returns the number of or elements in the collection. **Note:** This property is read-only. | * * * ## Methods | Method | Description | | :--- | :--- | | | An integer specifying the position of the element to retrieve (starting from 0) | | item(_name_or_index_) | Returns the element at the specified index in the collection | | namedItem(_name_) | Returns the element with the specified name or id in the collection | * * * ## Technical Details | DOM Version: | Core Level 2 Document Object | | --- | | Return Value: | An HTMLCollection object, representing all or elements within a . The elements in the collection are in the same order as they are in the source code. | * * * ## More Examples ### Example Alert the content of the first cell in the first row: alert(document.getElementById("myTable").rows.cells.innerHTML); [Try it »](#) ### Example item(_index_) Alert the content of the first cell in the first row: alert(document.getElementById("myTable").rows.cells.item(0).innerHTML); [Try it »](#) ### Example namedItem(_id_) Alert the content of the cell with id="myTd" in the first row: alert(document.getElementById("myTable").rows.cells.namedItem("myTd").innerHTML); [Try it »](#) ### Example Modify the content of the first cell: var x = document.getElementById("myTable").rows.cells; x.innerHTML = "NEW CONTENT"; [Try it »](#) * * tr Object](#)