Example
Return the hostname and port number of the URL for a specific area in an image-map:
var x = document.getElementById("venus").host;
The result of x will be:
www.w3ii.com:80
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Definition and Usage
The host property sets or returns the hostname and port part of the href attribute value.
The href attribute specifies the destination of a link in an area.
Note: If the port number is not specified in the URL (or if it is the scheme's default port - like 80, or 443), some browsers will not display the port number.
Browser Support
| Property | |||||
|---|---|---|---|---|---|
| host | Yes | Yes | Yes | Yes | Yes |
Syntax
Return the host property:
areaObject.host
Set the host property:
areaObject.host=hostname:port
| Value | Description |
|---|---|
| hostname:port | Specifies the hostname and port number of a URL |
Technical Details
| Return Value: | A String, representing the domain name (or IP address) and port number of the URL |
|---|
More Examples
Example
Change the hostname and port number of the URL for a specific area in an image-map:
document.getElementById("venus").host = "www.example.com:300";
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Related Pages
JavaScript reference: location.host Property
< Area Object