What is the performance of JavaScript arrays compared to other data structures?

What is the performance of JavaScript arrays compared to other data structures?

JavaScript arrays are dynamic and can grow in size, but their performance can vary based on operations. For example, accessing an element by index is O(1), while adding or removing elements can be O(n) in some cases.

What about the performance of array methods like map and filter?

Array methods like map and filter are convenient but can be slower than traditional loops because they create new arrays and involve function calls. Their performance is generally O(n), where n is the number of elements.

Are there any scenarios where I should avoid using arrays?

Yes, if you need frequent insertions and deletions, consider using linked lists or other data structures, as arrays can be inefficient in those cases.

How do typed arrays differ from regular arrays in terms of performance?

Typed arrays provide a way to work with binary data and can offer better performance for numerical computations, as they are more memory-efficient and allow for faster processing.