William - React js For Beginners: Learning React js Library From Scratch , 1st Edition

React js For Beginners Learning React js Library From Scratch 2020 By Emma William * " Programming isn't about what you know; it's about what you can figure out . - Chris Pine Before you begin, please note that this is a beginner-friendly guide that covers the concepts I classify as fundamentals for working with React. It is not a complete guide to React but rather a complete introduction. At the end of this guide, I list a few next-level resources for you. This guide will pave the way for you to understand them. .

Memlnc.com * INTRODUCTION______________________________________________11 WHAT IS REACT?..........................................................................................11 VIRTUAL DOM PERFORMANCE....................................................................13 TERMINOLOGY IN REACT.............................................................................15 SINGLE-PAGE APP..................................................................,......................15 BANKS..........................................................................................................16 BUNDLERS....................................................................................................17 PACKAGE MANAGER....................................................................................17 CONTENT DISTRIBUTION NETWORK............................................................17 ELEMENTS....................................................................................................18 THE INGREDIENTS........................................................................................19 CHARACTERISTICS..............................................,,,,,,,,,,,,,,,,,,,,,,,,,,,,,..............20 PROPS.CHILDREN.........................................................................................21 CASE.............................................................................................................22 LIFE CYCLE DEPENDENCIES...........................................................................23 ADJUSTED AND UNCONFIGURED COMPONENTS........................................24 KEYS..............................................................................................................24 REFERENCES ..........................................................................................25 EVENTS.........................................................................................................26 MATCHING...................................................................................................26 REACTJS - OVERVIEW...................................................................................28 REACT PROPERTIES......................................................................................29 ADVANTAGES OF THE REACT.............................................................30 REACT LIMITS.....................................................................................30 INSTALL REACTJS USING WEBPACK AND BABEL.............................,...31 STEP 1: CREATE THE ROOT FOLDER....................................................31 STEP 2 - INSTALL REACT AND REACT DOM.........................................33 STEP 3 - INSTALL THE WEB PACKAGE.................................................34 STEP 4 - INSTALL BABYLON..................................................................35 STEP 5 - CREATE FILES.........................................................................36 STEP 6 - ASSIGN A TRANSLATOR, SERVER, AND LOADER....................36 STEP 7 - INDEX.HTML..........................................................................39 STEP 8: APP.JSX AND MAIN.JS.............................................................40 STEP 9: RUN THE SERVER....................................................................42 STEP 10 - CREATE THE PACKAGE.........................................................43 USE THE CREATE-RESPONSE-APP COMMAND....................................44 STEP 1..................................................................................................45 STEP 2..................................................................................................45 STEP 3..................................................................................................46 STEP 4..................................................................................................46 REACTJS - JSX____________________________________________47 USING JSX............................................................................................48 NESTED ELEMENTS..............................................................................49 FEATURES.............................................................................................51 JAVASCRIPT EXPRESSIONS.............................................................52 ELEGANCE REACT..........................................................................54 COMMENTS....................................................................................56 CHAPTER II_____________________________________________58 REACTJS - COMPONENTS..............................................................58 AN EXAMPLE WITH THE CASE.......................................................60 CHAPTER III____________________________________________65 REACTJS - VALIDATE EXTENSIONS...............................................65 CHECK THE ACCESSORIES............................................................66 CHAPTER IV___________________________________________71 COMPONENT API........................................................................71 SET THE STATUS..........................................................................71 FORCE UPDATE...........................................................................74 LOOK FOR THE DOM NODE.........................................................75 CHAPTER V___________________________________________78 COMPONENT LIFE CYCLE...........................................................78 LIFE CYCLE METHODS................................................................78 CONVERTS THE FUNCTION TO A CLASS.....................................86 ADD LIFE CYCLE DEPENDENCIES TO THE CLASS.........................92 USE THE CASE CORRECTLY..............................................................99 REACT INCORPORATES STATUS UPDATES.....................................101 DATA FLOWS TO LOWER LEVELS...................................................103 CONDITIONAL RENDERING IN REACT............................................106 ITEM VARIABLES_____________________________________109 CLAUSE IF INLINE WITH LOGICAL OPERATOR &&........................112 IN-LINE IF-ELSE CLAUSE WITH CONDITIONAL OPERAND...114 PREVENT COMPONENT FROM RENDERING.................................116 CHAPTER VI__________________________________________119 FORMS.............................................................................................119 EXAMPLE.........................................................................................122 CHAPTER VII....................................................................................126 FIELDS IN REACT..............................................................................126 CONTROL INGREDIENTS...................................................................127 THE TEXTAREA ELEMENT.................................................................131 SELECT..............................................................................................134 FILE INPUT ELEMENT........................................................................137 HANDLING MULTIPLE ENTRIES........................................................137 JUSTIFIED ENTRIES WITH NULL VALUE.............................................141 ALTERNATIVES TO CONTROLLED INGREDIENTS...............................142

Facebook's React has changed the way we think about web applications and user interface development. Due to its design, you can use it beyond web. A feature known as the Virtual DOM enables this. In this chapter we'll go through some of the basic ideas behind the library so you understand React a little better before moving on. Next page