HTML DOM Document domain

The domain name of the server that loaded this document:

let myDomain = document.domain;

Description

The domain property returns the domain name of the server (the document was loaded from).

The domain property returns null if the document was created in memory.

document.domain

Type	Description
String	The domain name of the server (the document was loaded from). `null` if the domain cannot be identified.

document.domain is a DOM Level 2 (2001) feature.

It is fully supported in all browsers:


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	9-11