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

The origin read-only property of the WindowOrWorkerGlobalScope interface returns the origin of the global scope, serialized as a string.


var myOrigin = self.origin; // or just origin


A USVString.


Executed from inside a worker script, the following snippet will log the worker's global scope's origin to the console each time it receives a message

onmessage = function() {

If the origin is not a scheme/host/port tuple (say you are trying to run it locally, i.e. via file:// URL), origin will return the string "null".


Specification Status Comment
HTML Living Standard
The definition of 'WindowOrWorkerGlobalScope.origin' 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 Firefox (Gecko) Internet Explorer Opera Safari
Basic support 59 54 (54) No support No support No support
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 59 59 54.0 (54)  No support No support No support

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 Contributeurs à cette page : Sheppy, Bzbarsky, chrisdavidmills, ziyunfei
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