What is ReactJS – Learn in few steps

Reactjs

React is a front-end library developed by Facebook. It is used for handling the view layer for web and mobile apps. ReactJS allows us to create reusable UI components. It is currently one of the most popular JavaScript libraries and has a strong foundation and large community behind it.

If you want to work with ReactJS, you need to have solid knowledge of JavaScript, HTML5, and CSS. Even though ReactJS doesn’t use HTML, the JSX is similar so your HTML knowledge will be very helpful.

React is a library for building composable user interfaces. It encourages the creation of reusable UI components, which present data that changes over time. Lots of people use React as the V in MVC. React abstracts away the DOM from you, offering a simpler programming model and better performance. React can also render on the server using Node, and it can power native apps using React Native. React implements one-way reactive data flow, which reduces the boilerplate and is easier to reason about than traditional data binding.

React Features

  • JSX− JSX is JavaScript syntax extension. It isn’t necessary to use JSX in React development, but it is recommended.
  • Components− React is all about components. You need to think of everything as a component. This will help you maintain the code when working on larger scale projects.
  • Unidirectional data flow and Flux− React implements one-way data flow which makes it easy to reason about your app. Flux is a pattern that helps keeping your data unidirectional.
  • License− React is licensed under the Facebook Inc. Documentation is licensed under CC BY 4.0.

React Advantages

  • Uses virtual DOM which is a JavaScript object. This will improve apps performance, since JavaScript virtual DOM is faster than the regular DOM.
  • Can be used on client and server side as well as with other frameworks.
  • Component and data patterns improve readability, which helps to maintain larger apps.

React Limitations

  • Covers only the view layer of the app, hence you still need to choose other technologies to get a complete tooling set for development.
  • Uses inline templating and JSX, which might seem awkward to some developers.

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Top Companies To Work For – India

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Until recently, the check boxes a young person ticked mentally while considering a job offer were fairly straightforward: Do I get more money? Do I get a better title? Is the company well known?

The current lot of youngsters entering the workforce, however, ticks some other check boxes too. Often referred to as Generation Y, broadly meaning people born in the 1980s and 1990s, they want their work to mean something more than merely a fatter pay packet, or a set of activities that add to the bottom lines of their workplaces.

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