This course is designed for developers who wish to master the art of testing JavaScript applications using Jest. Dive deep into the world of test-driven development (TDD) and learn how to apply its principles effectively to produce clean, reliable code. Explore the intricacies of mocking, including the use of mock functions, spies, and timers, to simulate complex scenarios and enhance test accuracy. Gain proficiency in testing ECMAScript classes and browser-based JavaScript code using powerful tools like JSDOM and the Testing Library. By the end of this course, you will have acquired the skills to write high-quality tests that ensure your applications are robust and user-friendly.
Test-Driven Development for JavaScript: Unit 2
Test-Driven Development for JavaScript: Unit 2
This course is part of Test-Driven Development for JavaScript Specialization
Instructor: Pearson
Included with 
Gain insight into a topic and learn the fundamentals.
Intermediate level
Recommended experience
8 hours to complete
Flexible schedule
Learn at your own pace
What you'll learn
Implement test-driven development (TDD) techniques in JavaScript.
Master the use of Jest for mocking functions, APIs, and ECMAScript classes.
Utilize JSDOM and the Testing Library to test browser-based JavaScript code.
Develop high-quality, user-centric tests for enhanced application reliability.
Skills you'll gain
Details to know
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Recently updated!
July 2025
Assessments
4 assignments
Taught in English
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This course is part of the Test-Driven Development for JavaScript Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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There is 1 module in this course
This module is designed for developers eager to master testing JavaScript applications with Jest, the course offers an in-depth exploration of test-driven development (TDD). You will learn to effectively apply TDD principles to produce clean and reliable code. The module delves into the intricacies of mocking, including the use of mock functions, spies, and timers, to simulate complex scenarios and enhance test accuracy. Additionally, you will gain proficiency in testing ECMAScript classes and browser-based JavaScript code using powerful tools like JSDOM and the Testing Library. By the end of this module, you will have acquired the skills to write high-quality tests that ensure your applications are robust and user-friendly.
What's included
32 videos4 assignments
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Frequently asked questions
Yes, you can preview the first video and view the syllabus before you enroll. You must purchase the course to access content not included in the preview.
If you decide to enroll in the course before the session start date, you will have access to all of the lecture videos and readings for the course. You’ll be able to submit assignments once the session starts.
Once you enroll and your session begins, you will have access to all videos and other resources, including reading items and the course discussion forum. You’ll be able to view and submit practice assessments, and complete required graded assignments to earn a grade and a Course Certificate.
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