ReactJS is an open-source, component-based front-end library responsible only for the view layer of the application. It is maintained by Facebook. React uses a declarative paradigm that makes it easier to reason about your application and aims to be both efficient and flexible. It designs simple views for each state in your application, and React will efficiently update and render just the right component when your data changes. The declarative view makes your code more predictable and easier to debug. A React application is made of multiple components, each responsible for rendering a small, reusable piece of HTML.

Basic Setup: You will start a new project using create-react-app so open your terminal and type:

Project Structure: The file structure in the project will look like this:

Example: In this example, we will design a webpage in React JS, for that we will need to manipulate the App.js file and Index.css:

                            Hunting down a relevant job requires                             proper techniques for showcasing your                             potential to the employer. But with                             the advent of COVID-19, it has become                             a bit challenging and competitive to                             reach out for your dream job. Many                             individuals have lost their jobs                             during these times, and on the other                             hand, freshers are facing difficulties                            while applying for a new job. But                             there is no need for panic, you can                             change your ways and streamline things                             in a way that you get a proper result.                        

                            JavaScript is the world most popular                             lightweight, interpreted compiled                             programming language. It is also                             known as scripting  language for                            web pages. It is well-known for                             the development of web page many                             non-browser environments also use                            it. JavaScript can be used for                             Client-side developments as well                             as Server-side developments.                        

                            When compared with C++, Java codes                             are generally more maintainable                             because Java does not allow many                             things which may lead to                             bad/inefficient programming if used                             incorrectly. For example,                             non-primitives are always references                            in Java. So we cannot pass large                            objects (like we can do in C++) to                             functions, we always pass references                             in Java. One more example, since there                            are no pointers, bad memory access                             is also not possible. When compared                             with Python, Java kind of fits between                            C++ and Python. The programs are written                            in Java typically run faster than                             corresponding Python programs and slower                             than C++. Like C++, Java does static                             type checking, but Python does not.                        

                            Machine Learning is the field of study                             that gives computers the capability to                             learn without being explicitly                             programmed. ML is one of the most exciting                            technologies that one would have ever                             come across. As it is evident from the                             name, it gives the computer that makes                             it more similar to humans: The ability                             to learn. Machine learning is actively                             being used today, perhaps in many more                             places than one would expect.                        

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Step to Run Application: Run the application using the following command from the root directory of the project:

Output: