What are the limitations of JavaScript web workers?

What are the limitations of JavaScript web workers?

JavaScript web workers allow for background processing, but they have limitations such as no access to the DOM, limited communication with the main thread, and they can't use certain APIs like localStorage.

Can web workers access the window object?

No, web workers do not have access to the window object or the DOM. They operate in a separate global context.

How do web workers communicate with the main thread?

Web workers communicate with the main thread using the postMessage method, which allows for sending messages back and forth.

Are there any performance issues with using web workers?

While web workers can improve performance by offloading tasks, creating too many workers can lead to overhead and reduced performance.

What types of tasks are best suited for web workers?

Web workers are best suited for CPU-intensive tasks like data processing, image manipulation, or any task that can run independently without needing to interact with the DOM.