Typescript with jest

In this article at OpenGenus, we are going to talk about jest particularly in typescript scope, why should you test your code? Why use jest with typescript? And what developing method use?

Why test your code?

You may think that tests are not that important, you can console.log() and find out what your output is going to be, with just a typeof you can find out the type of something in your function, and the QA’s job are there for testing already right? So why should I learn testing?

Testing is es...