Loading...

Computer Programming

7,442 learners

Understanding Debugging with JavaScript

Become familiar with the common bugs in the JavaScript landscape and develop the skills to debug programs effortlessly. Learn to navigate through errors and apply effective debugging techniques for cleaner, error-free code.

JavaScript

See path

5 lessons

21 practices

1 hour

General Programming and Algorithms

Course details

Decoding Starlight: Understanding Error Messages in JavaScript

Preview

Deciphering the Stars: Correct the JavaScript Constellation

Mars Transmission Glitch

Journey to Jupiter: Debug the Star Chart

Stargazing Loop Correction

Previous Course

Next Course: String Manipulation for JS Beginners

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.