WorkerGlobalScope: origin property

{{APIRef("Web Workers API")}} {{AvailableInWorkers("worker")}} 

The origin read-only property of the {{domxref("WorkerGlobalScope")}}  interface returns the origin of the global scope, serialized as a string.

Value

A string.

Examples

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

self.onmessage = () => {
  console.log(self.origin);
};

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".

Specifications

{{Specifications}} 

Browser compatibility

{{Compat}} 

See also

• Window.origin
• {{Glossary("origin")}}  glossary term