HTML DOM Form elements Collection

# Form elements Collection

Form Object

## Example

Find out how many elements there are in a specified <form> element:

var x = document.getElementById("myForm").elements.length;

The result of x will be:

3
Try it yourself »

More "Try it Yourself" examples below.

## Definition and Usage

The elements collection returns a collection of all elements in a form.

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

Note: The elements collection returns all elements inside the <form> element, not all <form> elements in the document. To get all <form> elements in the document, use the document.forms collection instead.

## Browser Support

Collection |  |  |  |  |
--- | --- | --- | --- | --- | ---
elements | Yes | Yes | Yes | Yes | Yes

## Syntax

formObject.elements

## Properties

Property | Description
--- | ---
length | Returns the number of elements in the <form> element. Note: This property is read-only

## Methods

Method | Description
--- | ---
[index] | Returns the element in <form> with the specified index (starts at 0). Note: Returns null if the index number is out of range
item(index) | Returns the element in <form> with the specified index (starts at 0). Note: Returns null if the index number is out of range
namedItem(id) | Returns the element in <form> 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 HTMLFormsControlCollection Object, representing all elements in a <form> element. The elements in the collection are sorted as they appear in the source code

## More Examples

## Example

[index]

Get the value of the first element (index 0) in a form:

var x = document.getElementById("myForm").elements[0].value;

The result of x will be:

Donald
Try it yourself »

## Example

item(index)

Get the value of the first element (index 0) in a form:

var x = document.getElementById("myForm").elements.item(0).value;

The result of x will be:

Donald
Try it yourself »

## Example

namedItem(id)

Get the value of the element with name="fname" in a form:

var x = document.getElementById("myForm").elements.namedItem("fname").value;

The result of x will be:

Donald
Try it yourself »

## Example

Loop through all elements in a form and output the value of each element:

var x = document.getElementById("myForm");
var txt = "";
var i;
for (i = 0; i < x.length; i++) {
txt = txt + x.elements[i].value + "<br>";
}
document.getElementById("demo").innerHTML = txt;

The result of txt will be:

Donald
Duck
Submit
Try it yourself »

Form Object

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