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 restrictions on certain APIs.
Can web workers access local storage?
No, web workers cannot access local storage directly. They can communicate with the main thread, which can handle local storage operations.
How do I communicate between the main thread and a web worker?
You can use the postMessage
method to send messages between the main thread and the web worker. The worker listens for messages using the onmessage
event.
Are there any performance limits I should be aware of?
Yes, while web workers can improve performance by offloading tasks, they are limited by the number of concurrent workers and the overhead of message passing.
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