Full Stack Web Development MASTERY Course - Novice to Expert - Maps in JavaScript

The video tutorial explains JavaScript maps, a data structure introduced in ES6, which allows storing elements in key-value pairs. It covers creating maps, inserting elements using the set method, and using objects and functions as keys. The tutorial also demonstrates accessing elements with get and has methods, removing elements with delete and clear methods, and iterating over map elements using various loops and methods.

What is the purpose of the size property in a map?

Describe how to iterate through a map using a for-of loop.

How do you retrieve all keys from a map?

What is the significance of the entries method in a map?