Area protocol attribute

HTML DOM Area

Definition and usage

protocol Attribute sets or returns href attribute value protocol part.

href The attribute specifies the destination of the link within the area.

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

See also:

JavaScript Reference Manual:location.protocol attribute

Example

Example 1

Return the URL protocol of the specific area in the image map:

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

Try it yourself

Example 2

Change the protocol part of the specific area in the image map:

document.getElementById("venus").protocol = "mailto:";

Try it yourself

Syntax

Return protocol attribute:

areaObject.protocol

Set protocol attribute:

areaObject.protocol = protocol

Attribute value

Value Description
protocol

URL protocol. Possible values:

  • file:
  • ftp:
  • http:
  • https:
  • mailto:

And so on...

Technical Details

Return Value: A string value representing the protocol part of the URL, including the colon (:].

Browser Support

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Chrome Edge Firefox Safari Opera
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HTML DOM Area