What are some use cases for deques in JavaScript?

What are some use cases for deques in JavaScript?

Deques, or double-ended queues, are useful for scenarios like implementing undo functionality, managing task scheduling, and handling real-time data streams.

Can you explain how a deque can be used for task scheduling?

Sure! In task scheduling, a deque allows you to add tasks to both ends, enabling priority handling and efficient processing of tasks.

What about using deques for implementing an undo feature?

For an undo feature, you can use a deque to store actions. When an action is performed, it's added to one end, and when you need to undo, you can remove it from the other end.

Are there any performance benefits to using a deque?

Yes, deques provide O(1) time complexity for adding and removing elements from both ends, making them more efficient than arrays for certain operations.