Unit Testing in JavaScript with an application as example

Unit Testing is the process of testing the specified block of code to check whether everything is perfectly fine as per developed. It basically run over the specified block and check the output for the given input. It is useful for developers for checking the individual section of code and to identify and fix the errors. The tests are usually run on the frontend of the browser. These tests are contained in a collection which consists of several tests which are designed to be executed for a...