What Is a Worker in JavaScript? | Web Workers Explained Simply
Автор: CodeWithVivek
Загружено: 2025-12-26
Просмотров: 963
What is a Worker in JavaScript?
In this video, you’ll learn what a Web Worker is, why JavaScript uses workers, and how workers help run heavy tasks without blocking the main thread.
JavaScript normally runs on a single thread, which can make the UI freeze when heavy computations run. Web Workers solve this problem by running tasks in a separate background thread.
🔥 In this video you will learn:
What is a Web Worker in JavaScript
Why workers are needed
Main thread vs worker thread
Simple real-world example of a worker
When to use and when not to use workers
This video is perfect for:
JavaScript beginners
Frontend developers
Web development students
Anyone preparing for JavaScript interviews
📌 Watch till the end to understand workers in the simplest way possible.
#worker #javascript #backend #asyncprogramming
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