Posts

3). What is JSX ? Why We Use JSX ?

Image
           JSX stands for JavaScript XML.    JSX allows us to write HTML in React.    JSX makes it easier to write and add HTML in React.    JSX allows us to write HTML elements in JavaScript and place them in the       DOM without any createElement()  and/or appendChild() methods.    JSX converts HTML tags into react elements.               Example                                  Step 1 ) create a file Header.js      Step 2) import and render Header.js Step 3) 'NPM Start'  to View Result in Browser                 
Post a Comment
Read more

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...
Post a Comment
Read more

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 Makin...
Post a Comment
Read more