Table rows Collection
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
Try it Yourself »
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 |
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
