React.js Jobs: Interview Questions
What are the key features of React.js? What is React? React is a JavaScript library created for building fast and interactive user interfaces for web and mobile applications. It is an open-source, component-based, front-end library responsible only for the application’s view layer. In Model View Controller (MVC) architecture, the view layer is responsible for how the app looks and feels. React was created by Jordan Walke, a software engineer at Facebook. Fig: MVC architecture Let’s take a look at an Instagram webpage example, entirely built using React, to get a better understanding of how React works. As the illustration shows, React divides the UI into multiple components, which makes the code easier to debug. This way, each component has its property and function. Fig: Instagram Components Now that we know what React is let’s move on and see why React is the most popular front-end library for web application development. Why React? React’s popularity today has eclipsed ...