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Datalist options Collection

Datalist Object Reference 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


Examples

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 Reference Datalist Object

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