Unit testing has become a foundational practice in modern software development, essential for maintaining code quality, enabling safe refactoring, and fostering a culture of reliability. "The Art of Unit Testing, Third Edition – With Examples in JavaScript" provides a comprehensive guide that demystifies unit testing by blending theory with hands-on coding examples. The book offers both newcomers and experienced developers a roadmap for adopting robust testing habits, using JavaScript as a practical lens through which to understand core principles, best practices, and common pitfalls. The authors emphasize not only the technical aspects but also the mindset required to...