Jest Course
This course teaches practical Jest testing for JavaScript, covering setup, unit tests, mocking, and best practices for reliable code.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This practical Jest course guides you in establishing a testing setup, crafting straightforward unit tests, and building testable JavaScript components with stable APIs. You will apply testing to task handling functions, date tools, and time-based operations via mocks, spies, and timers, while enhancing test effectiveness through proper organisation, coverage, and continuous integration for dependable, easy-to-maintain code.
Elevify advantages
Develop skills
- Master Jest configuration: set up projects, scripts, matchers, and monitoring mode quickly.
- Test core logic: check task creation, switching, deletion, and sorting using Jest.
- Mock effectively: apply jest.fn, jest.spyOn, and jest.mock for tidy tests.
- Test dates securely: simulate Date, timers, and scenarios such as leap years and UTC.
- Deliver strong code: boost coverage, CI links, and sustainable test collections.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.

André FelipePrompt Engineering Student
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