Jest Course
This course equips you with hands-on Jest testing expertise using real-world JavaScript scenarios. Master unit testing, mocking techniques, spies, handling time-dependent code, and CI setup to deliver reliable, maintainable software swiftly in contemporary development teams.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
Gain practical skills in Jest by setting up testing environments, crafting effective unit tests, and building testable JavaScript modules using immutable APIs. Practice testing task management, date utilities, and time-based logic with mocks, spies, and timers, while enhancing test quality through better structure, coverage, and CI integration for dependable code.
Elevify advantages
Develop skills
- Master Jest configuration: set up projects, scripts, matchers, and watch mode quickly.
- Test core business logic: verify task addition, toggling, deletion, and filtering using Jest.
- Mock effectively: apply jest.fn, jest.spyOn, and jest.mock for robust, clean tests.
- Handle dates confidently: mock Date objects, timers, and scenarios like leap years and UTC.
- Deliver strong code: boost test coverage, integrate CI, and build sustainable test suites.
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 got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... I appreciate everything you do, I've already recommended you to others...

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 the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the supplementary videos really help with learning.

Giulio CarloPrompt Engineering Student
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