In every software life cycle, testing and debugging play an important role. Thorough testing makes software flawless and good debugging techniques makes it easy to not only troubleshoot problems, but also helps to identify and fix any problems by reaching out to the exact point.
Testing is the core essence of creating any robust application. However, there are different practices and frameworks used by the application to serve particular objective, and the architecture varies as per the nature of the application. Therefore, sometimes it becomes difficult for a developer to test client-side code, for example, if an application contains some JavaScript code on a page itself, such as inline event handlers, make it tightly coupled with the page. On the other hand, even when modularizing the JavaScript code into different modules bring some test suite limitations and become harder to execute the testing process of an application.
Debugging is the process...