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

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes1 Yes222 No3 No No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes1 Yes1 Yes222 No No ?

1. Starting in Chrome 52, this property was moved to URL

2. From Firefox 22 to Firefox 44, this property was on the URLUtils mixin. It has been moved either on the HTMLHyperlinkElementUtils mixin, or directly on the interface.

3. In Internet Explorer 9, the host of an always include the port (e.g., even if there is no explicit port in the href attribute value.

See also

Document Tags and Contributors

Last updated by: fscholz,