Why use Hashing?
In hashing, all the operations like inserting, searching, and deleting can be performed in O(1) i.e. constant time. The worst case time complexity for hashing remains O(n) but the average case time complexity is O(1).
Hashing in JavaScript
Hashing is a popular technique used for storing and retrieving data as fast as possible. The main reason behind using hashing is that it performs insertion, deletion, searching, and other operations