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React Tutorial

React is a declarative, efficient, and flexible open-source JavaScript library designed for building reusable user interface (UI) components. It operates as a component-based library, focusing exclusively on the view layer of applications, facilitating the development of complex UIs from isolated pieces of code called components.

  • React JS is not a framework, it is just a library developed by Facebook.
  • React is used to build single-page applications.
  • React allows us to create reusable UI components.

It was developed and released by Facebook. Facebook developed ReactJS in 2011 in its newsfeed section, but it was released to the public in May 2013. Facebook is continuously working on the React library and enhancing it by fixing bugs and introducing new features.

It is a Model-View-Controller (MVC) architecture-based library that plays the role of “V” which means view. 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

Example
<!DOCTYPE html>
<html>
  <head>
    <script src="https://unpkg.com/react@18/umd/react.development.js" crossorigin></script>
    <script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js" crossorigin></script>
    <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
  </head>
  <body>

    <div id="mydiv"></div>

    <script type="text/babel">
      const container = document.getElementById('mydiv');
      const root = ReactDOM.createRoot(container);
      root.render(<h1>Hello Vaidikalaya</h1>)
    </script>

  </body>
</html>

Output

React from Vaidikalaya

There are many tutorials available on the internet So why should you learn ReactJs from Vaidikalaya?

  • We have developed this ReactJS tutorial for beginners and professionals both.
  • We will try to introduce every concept with simple code examples that you can easily understand.
  • After completing all the sections, you can work confidently with ReactJS.

Prerequisite

Before learning ReactJS in-depth, you must have a good knowledge of JavaScript, HTML5, and CSS. The knowledge of ECMAScript 2015 syntax can also be helpful.

In summary, learning ReactJS is a valuable investment if you want to pursue a career in web development or if you want to enhance your skills as a developer. Its popularity, component-based architecture, performance optimizations, and active community make it a compelling choice for building modern web applications.

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