read Testing JavaScript Applications

• 1 - An introduction to automated testing
• 2 - What to test and when?
• 3 - Testing techniques
• 4 - Testing backend applications
• 5 - Advanced backend testing techniques
• 6 - Testing frontend applications
• 7 - The React testing ecosystem
• 8 - Testing React applications
• 9 - Test-driven development
• 10 - UI-based end-to-end testing
• 11 - Writing UI-based end-to-end tests
• 12 - Continuous integration and continuous delivery
• 13 - A culture of quality