Performance Optimization
June 10, 2024
18 min

Web Workers: Utilizing Multithreading in JavaScript

Web Workers enable JavaScript to run in parallel threads, offloading heavy computations from the main thread. This article explains how to implement Web Workers to improve application responsiveness and performance, along with practical examples and best practices.

RK

Rajesh Kumar

Full-Stack Architect

Technologies Used

Web Workers

Summary

Learn how to leverage Web Workers to enhance the performance of your web applications. This article covers the basics of setting up a Web Worker, communicating with the main thread, and provides practical examples to demonstrate its usage in real-world scenarios.

Key Points

  • Introduction to Web Workers and their benefits
  • Creating and communicating with Web Workers
  • Use cases for offloading intensive computations
  • Performance benefits and limitations
  • Practical examples and best practices

Code Examples

Simple Web Worker Example

// main.js
const worker = new Worker('worker.js');
worker.postMessage('Start');
worker.onmessage = (e) => console.log('Result:', e.data);

// worker.js
onmessage = function(e) {
  // Perform heavy computation here
  postMessage('Computation complete');
};

References

Related Topics

PerformanceModern WebCI/CD