Loading...

Computer Programming

297 learners

TypeScript Map in Practice: Revision and Application

Strengthen your understanding and application of the map data structure with a focus on counting and aggregation tasks. This course will deepen your comprehension of efficient data access and manipulation using TypeScript's Map.

TypeScript

See path

4 lessons

20 practices

4 hours

General Programming and Algorithms

Course details

Maps in TypeScript: An Introduction and Exploration

Preview

Updating the Library Catalog

Fix the Map Key Access Issue

Check Book Availability in Library Catalog Using Maps

Updating and Accessing Elements in a Map

Managing a Library Catalog with TypeScript Maps

Previous Course

Next Course: Mastering Task Decomposition in TypeScript

Meet Cosmo:

The smartest AI guide in the universe

Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.