Writing effective unit tests can be tricky in any language, and JavaScript apps often get neglected because testing UIs can be particularly tricky. While some of that can be solved by restructuring code and choosing tools that make everything more testable, it's also helpful to know some of the tricks of the JavaScript testing trade, like good mocking and stubbing practices. This playlist is full of tips for how to write tests that verify your code without any undesired side effects.
Short course, to the point of 4 useful concept that come up very often in unit testing.
Become familiar with the Workers CLI wrangler
that we will use to bootstrap our Worker project. From there you'll understand how a Worker receives and returns requests/Responses. We will also build this serverless function locally for development and deploy it to a custom domain.
This is a practical project based look at building a working e-commerce store using modern tools and APIs. Excellent for a weekend side-project for your developer project portfolio
git is a critical component in the modern web developers tool box. This course is a solid introduction and goes beyond the basics with some more advanced git commands you are sure to find useful.