REACT.JS
INSTALLATIONS * React is a javascript library for building the user interfaces * npx create-react-app rishabh ===for creating the react app * in the node module all the node module will be start * src is a important file and we will mostly work on this * index.js is responsible for starting up the react application * app.js is an important file and this is our root component file, this is responsible for displaying up the HTML in browser, this contain react component which contain HTML content that is displayed to the user and the js code required by the html COMPONENTS * components are building block of the application and you can create as many component you want, suppose you want to build a site it have navbar, body and footer so you can make three component and in future you can reuse those components * we have function component and class component * in function component are javascript function, we can use the functionality of class component in function compone...