TypeScript for Beginners - Introduction - More Types

The video tutorial introduces the map and set data structures in TypeScript, which are supported from ES6 in JavaScript. It explains the map as a key-value pair data structure, detailing how to create and manipulate maps using various methods like set, delete, has, keys, values, and entries. The tutorial also covers the set data structure, highlighting its ability to store unique data types and its methods.

What is a map in TypeScript?

• A data structure that stores unique values

• A function that transforms data

• A key-value pair data structure

• A method for sorting arrays

Which method is used to add elements to a map in TypeScript?

• insert

• set

• push

• add

How can you check if a map contains a specific key?

• Using the check method

• Using the find method

• Using the has method

• Using the contains method

Which of the following is NOT a method to iterate over a map?

• entries

• values

• keys

• elements

What is a unique feature of the set data structure?

• It allows duplicate values

• It automatically sorts the data

• It does not allow duplicate values

• It stores data in key-value pairs