Area host attribute

HTML DOM Area

Definition and usage

host Attribute set or returned href attribute value The hostname and port part.

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

Note:If the port is not specified in the URL (or if it is the default port of the protocol - for example, 80 or 443), some browsers will not display the port.

See also:

JavaScript Reference Manual:location.host attribute

Example

Example 1

Return the hostname and port of the URL for a specific area in the image map:

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

Try it yourself

Example 2

Change the hostname and port of the URL for a specific area in the image map:

document.getElementById("venus").host = "www.example.com:300";

Try it yourself

Syntax

Return the host attribute:

areaObject.host

Set the host attribute:

areaObject.host = hostname:port

Attribute Value

Value Description
hostname:port Specifies the hostname and port number of the URL.

Technical Details

Return Value: A string value representing the domain name (or IP address) and port number of the URL.

Browser Support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
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HTML DOM Area