What are collections in Node.js?

What are collections in Node.js?

In Node.js, collections refer to data structures that store multiple values, like arrays, sets, and maps.

Can you explain the difference between an array and a set?

Sure! An array is an ordered list of items, while a set is a collection of unique items without any specific order.

How do I create a map in Node.js?

You can create a map using the Map constructor: const myMap = new Map(); Then, you can add key-value pairs using myMap.set(key, value);.

What are some common use cases for using collections?

Common use cases include storing user data, managing inventories, and handling unique items in applications.