Front-end web development is the practice of converting data to a graphical interface, through the use of HTML, CSS, and JavaScript, so that users can view and interact with that data.
Importance of Testing
To keep your project bug-free, testing is an essential component. As a result, a front end developer must have the capacity to test and debug code.
For web development, there are a variety of testing approaches. Functional testing examines a specific piece of functionality on your site and validates that it performs as expected by the code.
Another technique is unit testing, which evaluates each individual line of code for correct operation.
There are frameworks to assist you with testing, which is an important aspect of the front-end development process. Programs like Mocha and Jasmine are designed to make your testing process go faster and easier.
Mocha is a feature-rich JavaScript test framework that runs in the browser and on Node.js, making asynchronous testing simple and enjoyable.
Mocha tests run in sequential order, allowing for flexible and precise reporting while mapping uncaught exceptions to the appropriate test cases.
Jasmine is a free JavaScript framework that can be used to test any JavaScript application. To ensure that each line of JavaScript statement is adequately unit tested, Jasmine utilizes the Behavior Driven Development (BDD) method.
Jasmine uses the BDD method to give a simple syntax for testing the smallest unit of an application rather than the full application.
Source - InterviewBit
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