A Course You'll Actually Finish

Mastering JavaScript Unit Testing

A comprehensive, beginner-friendly guide covering everything from the basics to advanced techniques

  • Beginner to Pro
  • 4 Hours
  • 70 Lessons
  • Downloadable Content
  • Hands-on Exercises
  • English Captions
  • Certificate of Completion
  • Lifetime Access
  • Learn at Your Own Pace

Say goodbye to scattered tutorials and endless fluff. This course gives you a clear, structured path with bite-sized videos that blend theory and hands-on practice.

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About the Course

Mastering JavaScript Unit Testing is designed to equip you with the skills to write maintainable, robust, and valuable unit tests for your JavaScript applications. Whether you're new to unit testing or looking to refine your skills, this course will guide you through the fundamentals and best practices of unit testing, helping you ensure your code is reliable and easy to maintain.

You’ll explore core techniques like positive, negative, and boundary testing to ensure comprehensive test coverage. You’ll also learn how to use mocks to isolate code, create parameterized tests for versatile scenarios, and evaluate code coverage to make sure nothing is missed. Beyond testing, this course will show you how to improve overall code quality using static analysis tools like ESLint and Prettier, prevent type errors with TypeScript, and automate quality checks with Husky.

By the end of this course, you’ll have the confidence to create high-quality, well-tested JavaScript code that stands up in production.

Highly Practical

What You'll Learn

  • Explore the fundamentals of unit testing and its benefits.
  • Master core unit testing techniques and best practices.
  • Craft maintainable, robust, and trustworthy tests that deliver value.
  • Learn to execute and navigate tests effectively in VSCode.
  • Perform positive, negative, and boundary testing for comprehensive coverage.
  • Evaluate code coverage to ensure comprehensive testing.
  • Create parameterized tests for versatile testing scenarios.
  • Isolate code with mocks and learn when to use them.
  • Spy on functions to gain insights into their behavior.
  • Improve code quality using static analysis tools.
  • Utilize Prettier to format your code consistently.
  • Implement ESLint to catch code quality issues early.
  • Prevent type errors in your code using TypeScript.
  • Automate code quality checks using Husky.

A Perfectly Structured Course

Course Content

4 Hours . 6 Sections . 70 Lessons

Getting Started(7m)

Introduction to Unit Testing(54m)

    Core Unit Testing Techniques(1h)

      Breaking Dependencies with Mocks(54m)

        Improving Code Quality with Static Analysis Tools(35m)

          Conclusion(25s)

            Target Student

            Who Is This For?

            • Developers looking to enhance their JavaScript skills through effective unit testing.
            • Software engineers aiming to improve code quality, reliability, and maintainability.
            • JavaScript enthusiasts wanting to dive deeper into testing frameworks and best practices.
            • Anyone looking to boost their career prospects by mastering JavaScript unit testing.

            A Complete Beginner-Friendly Course

            No Prior Knowledge Needed

            You don't need prior knowledge of unit testing to take this course. However, you should be familiar with modern JavaScript features such as arrow functions, modules, promises, etc.

            This course is only available as part of

            React Testing Mastery: From Basics to Advanced Techniques

            Get the Full Series