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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
jаvascript 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