Web/API/WorkerGlobalScope/console

Non-standard This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The console read-only property of the WorkerGlobalScope interface returns a Console object providing access to the browser console for the worker.

Syntax

var consoleObj = self.console;

Value

A Console object.

Example

This property allows you to have access to a browser console for debugging purposes, inside a worker. So for example you could call

console.log('test');

inside a worker (which would basically be the equivalent of self.console.log('test');, as these are being called on the worker scope, which can be referenced with WorkerGlobalScope.self), to return a test message out to the browser console.

If you are calling console.log() from a DedicatedWorkerGlobalScope or other worker scope that acts on a single loaded window, that tab's web console will receive the logs. However, If you are calling console.log() from a SharedWorkerGlobalScope, the global browser console will receive the logs.

Specifications

Not yet part of any specification.

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`console` Deprecated'Non-standard'	Chrome Full support 4	Edge Full support 12	Firefox Full support 29 Notes' Full support 29 Notes' Notes' Before Firefox 30, the console would be of type `WorkerConsole` instead of `Console`.	IE Full support Yes	Opera Full support Yes	Safari Full support Yes	WebView Android Full support 37	Chrome Android Full support Yes	Firefox Android Full support 29 Notes' Full support 29 Notes' Notes' Before Firefox 30, the console would be of type `WorkerConsole` instead of `Console`.	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support Yes

Legend

Full support: Full support
Compatibility unknown: Compatibility unknown
Non-standard. Expect poor cross-browser support.': Non-standard. Expect poor cross-browser support.
Deprecated. Not for use in new websites.': Deprecated. Not for use in new websites.
See implementation notes.': See implementation notes.