HTML DOM Area protocol Property

# Area protocol Property

Area Object

## Example

Return the protocol of the URL for a specific area in an image-map:

var x = document.getElementById("venus").protocol;

The result of x will be:

http:
Try it yourself »

## Definition and Usage

The protocol property sets or returns the protocol part of the href attribute value.

The href attribute specifies the destination of a link in an area.

The protocol is a standard that specifies how data are transmitted between computers.

## Browser Support

The protocol property is supported in all major browsers.

## Syntax

Return the portocol property:

areaObject.protocol

Set the protocol property:

areaObject.protocol=protocol

## Property Values

Value | Description
--- | ---

protocol

The protocol of a URL. Possible Values:

- file:
- ftp:
- http:
- https:
- mailto:
- etc..

## Technical Details

Return Value: | A String, representing the protocol part of the URL, including the colon sign (:)

## More Examples

## Example

Change the protocol part of a specific area in an image-map:

document.getElementById("venus").protocol = "mailto:";
Try it yourself »

## Related Pages

JavaScript reference: location.protocol Property

Area Object

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