ES6 Maps

The video tutorial introduces maps in ECMAScript 6, explaining their structure as key-value pairs. It demonstrates creating maps, setting keys and values, and retrieving values using the get method. The tutorial covers iterating through maps using 'for of' and 'forEach' loops, and converting maps to arrays. The video concludes with a brief mention of sets, another new object type in ES6.

What is a Map in JavaScript and how does it differ from an object literal?

Explain how keys and values can be set in a Map.

Describe the method used to retrieve values from a Map.

How can you count the number of key-value pairs in a Map?

What is the purpose of the 'for...of' loop when working with Maps?

What are the different ways to iterate through a Map?

How can you create an array from the values of a Map?