Testing in JavaScript for beginners

TOC

1. What?

2. Why?

3. How?

4. Test Runners

    4.1    Mocha

5. Assertion Libraries

    5.1    Chai

6. Useful mocks, stubs, spies & more packages.

    6.1    Sinon
    6.2    Rewire

    6.3    Mockery

7. Personal Note

8. Meme