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:
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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
| Property | |||||
|---|---|---|---|---|---|
| protocol | Yes | Yes | Yes | Yes | Yes |
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:
|
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:";
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Related Pages
JavaScript reference: location.protocol Property
< Area Object