HTML DOM Datalist options Collection

# Datalist options Collection

Datalist Object

## Example

Find out how many options there are in a specific <datalist> element:

var x = document.getElementById("browsers").options.length;

The result of x will be:

5
Try it yourself »

More "Try it Yourself" examples below.

## Definition and Usage

The options collection returns a collection of all the options in a <datalist> element.

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

## Browser Support

Collection |  |  |  |  |
--- | --- | --- | --- | --- | ---
options | Yes | Yes | Yes | Yes | Yes

Note: The <datalist> element is not supported in Internet Explorer 9 (and earlier versions), or in Safari.

## Syntax

datalistObject.options

## Properties

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

## Methods

Method | Description
--- | ---
[index] | Returns the <option> 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 <option> 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 <option> 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 <option> elements in the <datalist> 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 option (index 0) in a datalist:

var x = document.getElementById("browsers").options[0].value;

The result of x will be:

Internet Explorer
Try it yourself »

## Example

item(index)

Get the value of the first option (index 0) in a datalist:

var x = document.getElementById("browsers").options.item(0).value;

The result of x will be:

Internet Explorer
Try it yourself »

## Example

namedItem(name_or_id)

Get the value of the option with id="google" in a datalist:

var x = document.getElementById("browsers").options.namedItem("google").value;

The result of x will be:

Chrome
Try it yourself »

## Example

Loop through all options in a datalist, and output the option values:

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

The result of txt will be:

Internet Explorer
Firefox
Chrome
Opera
Safari
Try it yourself »

Datalist Object

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