isWebWorker

The isWebWorker function checks if the code is running in any type of Web Worker (Dedicated, Shared, or Service Worker).

Syntax

isWebWorker(): boolean;

Parameters

This function does not take any parameters.

Returns

Type	Description
boolean	true if running in a Web Worker, false otherwise

Examples

isWebWorker();
// => true (in Dedicated, Shared, or Service Worker)
// => false (in other environments)

Notes

• Uses the isDedicatedWorker, isSharedWorker, and isServiceWorker functions to identify the environment.
• Useful for conditioning Web Worker-specific executions.

References

• https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API