What are the differences between web workers and threads?

What are the differences between web workers and threads?

Web workers run in the background, separate from the main thread, allowing for non-blocking operations. Threads share memory and can be more complex.

Can you give me an example of when to use web workers?

Sure! Use web workers for tasks like image processing or data fetching that require heavy computation without freezing the UI.

Are there any limitations to using web workers?

Yes, web workers cannot access the DOM directly and have a different scope, which can limit their functionality.

How do I create a web worker in JavaScript?

You can create a web worker using the Worker constructor, passing the path to your worker script as an argument.

What about performance? Are web workers faster than threads?

Web workers can improve performance for certain tasks by offloading work from the main thread, but their speed depends on the task and environment.