01_Introduction

1) . INTRODUCTION - REACT JS


  •  React is java Script Library For Building UI


  •  React is Use to Build Single-Page-Application


  •  React Allow Us To Create Reusable UI Components


  •  React is Free And Open Source Library


  •  React is Declarative , Efficient And Flexible JavaScript Library For Building User  Interface. It Lets You Compose Complex UIs From Small And Isolated Piece Of  Code Called "Components"


  •  React Sometimes referred to as a Frontend JavaScript Framework , is a  JavaScript Library Created By Facebook


  •  React is a tool for Building UI Components.


1.1) What is React ?


  •  React Community Also Provides Advance Concept Like State Management , routing , etc., on Top Of The React Library.


1.2) How Does React Works ?


  •  React Creates a VIRTUAL DOM in Memory.


  •  Instead of Manipulating the browser's DOM directly , React Create a virtual DOM  in Memory , Where it does All the necessary Manipulating , Before Making the Changes in the Browsers DOM.


1.3) React History


  •  React Was First Used in 2011 for Facebook's Newsfeed Feature


  •  Initial release to the Public (V0.3.0) Was in July 2013


  •  Author - Jordan Walk (Facebook Software Engineer)



1.4) Declarative Approach (Abstraction Method)


  •  You Can Tell the Browser what to do , instead by saying What's you Need , React Declarative Approach(Data Hide) is an Abstraction For Us.


Comments

Post a Comment

Popular posts from this blog

02_What_is_Babel_in_React_Js ?

  2). History of JavaScript , ES5 And ES6    JavaScript Was Invented By Brendan Eich In 1995 at Netscape.    The History Is , Brendan Eich Created "MOCHA" Which Become "LiveScript" , And Later "JavaScript".    Netscape Presented JavaScript to ECMA International , Which Develops Standards And It was renamed to ECMAScript.    ECMA Stands for " European Computer Manufacturers Association ".    ECMA International is a Non-Profit Organization that develops Computer Hardware , Communication And Programming Languages.    ECMAScript is the Official Name Of JavaScript Language.  2.1) What is Babel In React        Babel is JavaScript Compiler.        It Is Mainly Used to Convert ECMAScript 2015+ Code In To a Backwards Compatible Version Of JavaScript In Current and Older Browsers or environments.      When we Create an App by Using " create-react-app " , then Babel aut...
Read more