Learn the fundamentals of unit testing in this comprehensive tutorial. Discover why testing is crucial for all developers, regardless of experience level, and how it enhances code confidence, reduces stress, and accelerates delivery. Explore key concepts including test grouping, test cases, debugging with focus, spies, and mocks. Practice your skills with numerous coding challenges throughout the course. Gain hands-on experience setting up Jasmine from scratch, understanding the three parts of testing, and using various matchers like toBeDefined() and toEqual(). By the end of this one-hour and 25-minute tutorial, you'll have a solid foundation in unit testing techniques that you can immediately apply to your projects.