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React JS

Software Information
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.

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.

ReactJS is a declarative, efficient, and flexible JavaScript library for building reusable UI components. It is an open-source, component-based front end library which is responsible only for the view layer of the application. It was initially developed and maintained by Facebook and later used in its products like WhatsApp & Instagram.

The main objective of ReactJS is to develop User Interfaces (UI) that improves the speed of the apps. It uses virtual DOM (JavaScript object), which improves the performance of the app. The JavaScript virtual DOM is faster than the regular DOM. We can use ReactJS on the client and server-side as well as with other frameworks. It uses component and data patterns that improve readability and helps to maintain larger apps.

Today, many JavaScript frameworks are available in the market(like angular, node), but still, React came into the market and gained popularity amongst them. The previous frameworks follow the traditional data flow structure, which uses the DOM (Document Object Model). DOM is an object which is created by the browser each time a web page is loaded. It dynamically adds or removes the data at the back end and when any modifications were done, then each time a new DOM is created for the same page. This repeated creation of DOM makes unnecessary memory wastage and reduces the performance of the application.

Therefore, a new technology ReactJS framework invented which remove this drawback. ReactJS allows you to divide your entire application into various components. ReactJS still used the same traditional data flow, but it is not directly operating on the browser's Document Object Model (DOM) immediately; instead, it operates on a virtual DOM. It means rather than manipulating the document in a browser after changes to our data, it resolves changes on a DOM built and run entirely in memory. After the virtual DOM has been updated, React determines what changes made to the actual browser's DOM. The React Virtual DOM exists entirely in memory and is a representation of the web browser's DOM. Due to this, when we write a React component, we did not write directly to the DOM; instead, we are writing virtual components that react will turn into the DOM.

Course Content

  • Introduction
  • Next Generation Javascript
  • Module 
  • let and const
  • Arrow Function
  • Export and Import
  • Class
  • Properties and Method
  • Spread Operator
  • Rest Operator
  • Destructuring
  • Premitive Types
  • Reference Types
  • Understanding Folder Structure
  • Understanding Component
  • Understanding JSX
  • Functional Component
  • Working with Props
  • Understanding the children prop
  • State
  • Event Handling
  • useState() Hook
  • Stateless and Stateful Component
  • Passing Method Reference between Components
  • Two Way Binding
  • Adding Styling with Stylesheet
  • Inline Style
  • Rendering Content Conditionally
  • Handling Dynamic Content
  • List & State
  • List & Keys
  • Flexible List
  • Styled Component
  • Working with CSS
  • Debugging React App
  • Class Based Component
  • Component Lifecycle
  • React Hooks
  • Http Request
  • Ajax
  • Routing
  • Forms
  • Validation
  • Redux
  • Authentication
  • Animation in React
  • Testing
  • Deploying

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Steve Jobs
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