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What are Unit Testing, Integration Testing and Functional Testing?

Updated: at 04:24 PM

Test units of code, pieces together, or the full-fledged application

Finding your way around the maze that is JavaScript testing can sometimes be difficult. There are unit tests, integration tests, functional tests, E2E tests, browser tests… With so many buzzwords, who knows what they do and which one to use, what for, and when?

To help with that problem, in this article I’ll give you a guide comparing the different kinds of testing types available, and some recommendations for their use.

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