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document.origin

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The Document.origin read-only property returns the document's origin. In most cases, this property is equivalent to document.defaultView.location.origin.

Examples

var origin = document.origin; 
// On this page, returns:'https://developer.mozilla.org'

var origin = document.origin; 
// On "about:blank", returns:'null'

var origin = document.origin; 
// On "data:text/html,<b>foo</b>", returns:'null'

Specifications

Specification Status Comment
DOM
The definition of 'Document.origin' in that specification.		 Living Standard Initial definition.
HTML Living Standard
The definition of 'origin for various objects (including Document objects)' in that specification.		 Living Standard Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 41 ? No Yes Yes ?
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes 41 ? No Yes ? ?

See also

Edit this page on MDN

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https://developer.mozilla.org/en-US/docs/Web/API/document/origin