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Muhaymin Bin Mehmood
Muhaymin Bin Mehmood

Posted on • Originally published at mbloging.com

How to Use Web Workers, Service Workers, and the Scheduler API in JavaScript (2025 Guide)

JavaScript is evolving rapidly, and with 2025 here, managing performance in modern web applications is more important than ever. If you’ve been wondering how to handle background tasks, offload work from the main thread, or improve user responsiveness—this guide is for you.

🚀 What You'll Learn:

  • How Web Workers help with heavy computations
  • The role of Service Workers in offline caching and request interception
  • The new Scheduler API for smarter task prioritization

These are essential tools for any front-end or full-stack developer aiming to build fast, responsive, and reliable web apps.

👉 Read the full article here for detailed explanations, real-world examples, and best practices:

🔗 JavaScript Workers in 2025: Web Workers, Service Workers, and the New Scheduler API

Thanks for reading! If you find it useful, drop a ❤️ and share your thoughts or questions below.

Top comments (3)

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nevodavid profile image
Nevo David

Love getting deeper into this stuff, makes me wanna try more background tasks myself.

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cybergeek420 profile image
Cyber Geek

Great way to highlight the key points without overloading. Nicely done!

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nathan_tarbert profile image
Nathan Tarbert

insane depth in here and i’m all about finding weird bottlenecks in my code tbh you ever hit a problem where you wish you had learned this sooner