Web Workers
Run scripts in background threads
AdvancedTopic: Browser API
JavaScript Web Workers Program
This program helps you to learn the fundamental structure and syntax of JavaScript programming.
const worker = new Worker('worker.js');
worker.postMessage('Hello');
worker.onmessage = (e) => console.log('Message:', e.data);
worker.terminate();Output
Message: Hello from worker
Understanding Web Workers
Web Workers run code in background threads.
Note: To write and run JavaScript programs, you need to set up the local environment on your computer. Refer to the complete article Setting up JavaScript Development Environment. If you do not want to set up the local environment on your computer, you can also use online IDE to write and run your JavaScript programs.