ReactisanadaptableJavaScriptlibraryforbuildingcomplexUIsfromsmall,detachedbitscalledcomponents.ThisbookisdesignedtotakeyouthroughthemostvaluabledesignpatternsinReact,helpingyoulearnhowtoapplydesignpatternsandbestpracticesinreal-lifesituations.You’llgetstartedbyunderstandingtheinternalsofReact,inadditiontocoveringBabel7andCreateReactApp2.0,whichwillhelpyouwritecleanandmaintainablecode.Tobuildonyourskills,youwillfocusonconceptssuchasclasscomponents,statelesscomponents,andpurecomponents.You'lllearnaboutnewReactfeatures,suchasthecontextAPIandReactHooksthatwillenableyoutobuildcomponents,whichwillbereusableacrossyourapplications.ThebookwillthenprovideinsightsintothetechniquesofstylingReactcomponentsandoptimizingthemtomakeapplicationsfasterandmoreresponsive.Intheconcludingchapters,you’lldiscoverwaystowritetestsmoreeffectivelyandlearnhowtocontributetoReactanditsecosystem.Bytheendofthisbook,youwillbeequippedwiththeskillsyouneedtotackleanydevelopmentalsetbackswhenworkingwithReact.You’llbeabletomakeyourapplicationsmoreflexible,efficient,andeasytomaintain,therebygivingyourworkflowaboostwhenitcomestospeed,withoutreducingquality.