Overview

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

Allow for running scripts as background threads.

Can make network requests using:

• fetch()
• XMLHttpRequest

Able to send messages back and forth with JS code.

Creating an Object

Use Worker()

This runs some JS file.

Workers run in the global context. Do not use inside a window.

Cannot manipulate the DOM via a worker.

Example

const myWorker = new Worker("worker.js");