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
WHATWG HTML Living Standard
The definition of '' in that specification.
Living Standard Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support[1] Not supported 22 (22) [3] Not supported[2] Not supported Not supported
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support[1] Not supported Not supported 22.0 (22) [3] Not supported Not supported Not supported

[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] 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.

[3] 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: teoli,