HTML DOM Option index Property

# Option index Property

Option Object

## Example

Display the index and text of the selected option in a drop-down list:

var x = document.getElementById("mySelect").selectedIndex;
var y = document.getElementById("mySelect").options;
alert("Index: " + y[x].index + " is " + y[x].text);
Try it yourself »

## Definition and Usage

The index property sets or returns the index position of an option in a drop-down list.

The index starts at 0.

## Browser Support

The index property is supported in all major browsers.

## Syntax

Return the index property:

optionObject.index

Set the index property:

optionObject.index=integer

## Property Values

Value | Description
--- | ---
integer | Specifies the index position of the option within a drop-down list

## Technical Details

Return Value: | A Number, representing the index position of the option within a drop-down list. The index starts at 0.

## More Examples

## Example

Display the text and index of all options in a drop-down list:

var x = document.getElementById("mySelect");
var txt = "All options: ";
var i;
for (i = 0; i < x.length; i++) {
txt = txt + "\n" + x.options[i].text + " has index: " + x.options[i].index;
}
Try it yourself »

Option Object

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