The property is a USVString containing the host, that is the hostname, and then, if the port of the URL is nonempty, a ':', and the port of the URL.


string =; = string;


var anchor = document.createElement("a");

anchor.href = "" == ""

anchor.href = "" == ""
// The port number is not included because 443 is the scheme's default port

anchor.href = "" == ""


Specification Status Comment
HTML Living Standard
The definition of '' in that specification.
Living Standard Initial definition

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support[1] (Yes) [2] (Yes) 22 (22) [4] No support[3] No support No support
Feature Android Webview Chrome for Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support[1] (Yes) [1] (Yes) [1] (Yes) 22.0 (22) [4] No support No support No support

[1] Though not grouped in a single abstract interface, this method is directly available on the interfaces that implement it, if this interface is supported.

[2] Starting in Chrome 52, this property was moved to URL

[3] In Internet Explorer 9, the host of an <a> always includes the port (e.g., even if there is no explicit port in the href attribute value.

[4] From Gecko 22 to Gecko 44, this property was on the URLUtils mixin. It has been moves either on the HTMLHyperlinkElementUtils mixin, or directly on the interface.

See also

Document Tags and Contributors

Last updated by: lap00zza,