掌握React与Redux构建高效web应用：实战指南

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"《Learning React Functional Web Development with React and Redux》是一本由Alex Banks和Eve Porcello合著的专业书籍，旨在引导读者深入了解如何利用React和Redux进行高效开发用户界面。React是由Facebook开发，被Netflix、Walmart和The New York Times等大公司广泛应用的JavaScript库，特别适合构建大型数据驱动网站，实现无刷新页面更新。本书的核心内容包括以下几个关键知识点： 1. 函数式编程入门：作者会带领读者理解如何用JavaScript实践函数式编程思想，这是在React中构建高效组件的基础。 2. React内部机制：深入剖析React在浏览器中的工作原理，让你对组件如何响应数据变化、渲染过程有清晰认识。 3. 组件构建与组合：通过实例学习如何创建和组装React组件，构建应用的呈现层，这有助于提高代码复用性和维护性。 4. 数据管理与调试优化：运用组件树结构来管理数据，减少调试时间，同时学会利用React的生命周期方法来动态加载数据和提升UI性能。 5. 路由解决方案：探索如何利用React结合路由系统处理单页应用的浏览器历史、书签等功能，提供无缝的用户体验。 6. 服务器端结构化应用：书中还涉及如何将React应用与服务器整合，确保前后端的协同工作。《Learning React Functional Web Development with React and Redux》是一本实用的指南，不仅教授技术技能，还强调了最佳实践和现代前端开发的理念。无论是对React初学者还是有一定经验的开发者，都能从中收获宝贵的知识和实战经验，从而提升在组织中的React应用能力。"

Beyondthisbook,youcanstayontopofchangesbyfollowingalongwiththe

officialReactblog.WhennewversionsofReactarereleased,thecoreteamwill

writeadetailedblogandchangelogaboutwhatisnew.

TherearealsoavarietyofpopularReactconferencesthatyoucanattendforthe

latestReactinformation.Ifyoucan’tattendthesein-person,Reactconferences

oftenreleasethetalksonYouTubefollowingtheevents.

ReactConf-FacebooksponsoredconferenceintheBayArea

ReactRally-CommunityconferenceinSaltLakeCity

ReactiveConf-CommunityconferenceinBratislava,Slovakia

React.Amsterdam-CommunityconferenceinAmsterdam

WorkingwiththeFiles

Inthissection,wewilldiscusshowtoworkwiththefilesforthisbookandhow

toinstallsomeusefulReacttools.

FileRepository

TheGitHubrepositoryassociatedwiththisbook

(https://github.com/moonhighway/learning-react)providesallofthecodefiles

organizedbychapter.TherepositoryisamixofcodefilesandJSBinsamples.If

you’veneverusedJSBinbefore,it’sanonlinecodeeditorsimilartoCodePen

andJSFiddle.

OneofthemainbenefitsofJSBinisthatyoucanclickthelinkandimmediately

starttinkeringwiththefile.WhenyoucreateorstarteditingaJSBin,itwill

generateauniqueURLforyourcodesample.

commandandseeanerrormessagethatsays“Commandnotfound”,Node.js
isnotinstalled.Thiscanbedonedirectlyfromthewebsiteatnodejs.org.Just
gothroughtheautomatedstepsoftheinstaller,andwhenyoutypeinthe‘node
-v’commandagain,you’llseetheversionnumber.
NotonlyisReactnewandchanging,butJavaScriptiscurrentlyundergoinghuge
changes.We’llstartbygettinguptospeedwiththelatestchangesinJavaScript
beforedivingintoReact.
ThesecompanieswereearlyadoptersofReactanduseditinproductionasearlyas2014.
https://facebook.github.io/react/blog/2014/05/29/one-year-of-open-source-react.html
“WhyDidWeBuildReact”byPeteHunt,FacebookBlog:
https://facebook.github.io/react/blog/2013/06/05/why-react.html
Thereareover1.65billionmonthlyactiveFacebookusersasof04/27/16.
https://zephoria.com/top-15-valuable-facebook-statistics/
TomOcchinointroducesReactNativein2015attheReactConference.
https://code.facebook.com/videos/786462671439502/react-js-conf-2015-keynote-
introducing-react-native-/
FacebookengineerJingChendiscussesthisinher2014talk,“RethinkingWebApp
DevelopmentatFacebook”.https://facebook.github.io/flux/docs/overview.html#content
IDEisanacronymforIntegratedDevelopmentEnvironmentandisatoolthatyouuseto
writecode.
MVCisanobject-orienteddesignpatternthatcanbeusedinanyobject-orientedlanguage.
MVCstandsforModelViewController.Themodelisthedata,theviewisthepresentation
layer,andthecontrolleristhebusinesslogic.
Universalappsareapplicationsthatusethesamecodeonboththeclientandtheserver.See
Chapter12formore.
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Chapter2.EmergingJavaScript

Sinceitsreleasein1995,JavaScripthasgonethroughmanychanges.Atfirst,it

madeaddinginteractiveelementstowebpagesmuchsimpler.Thenitgotmore

robustwithDHTMLandAJAX.NowwithNode.js,JavaScripthasbecomea

languagethatisusedtobuildfull-stackapplications.Thecommitteethatisand

hasbeeninchargeofshepherdingthechangestoJavaScriptistheECMA,the

EuropeanComputerManufactureAssociation.

Changestothelanguagearecommunitydriven.Theyoriginatefromproposals

thatcommunitymemberswrite.AnyonecansubmitaproposaltotheECMA

committee.TheresponsibilityoftheECMAcommitteeistomanageand

prioritizetheseproposalstodecidewhatisincludedeachspec.Proposalsare

takenthroughclearlydefinedstages.Stage-0representsthenewestproposalsup

throughStage-4whichrepresentsthefinishedproposals.

ThemostrecentversionofthespecificationwasapprovedinJune2015

andis

calledbymanynames:ECMAScript6,ES6,ES2015,Harmony,orESNext.

Basedoncurrentplans,newspecswillbereleasedonayearlycycle.For2016,

thereleasewillberelativelysmall

,butitalreadylookslikeES2017will

includequiteafewusefulfeatures.We’llbeusingmanyofthesenewfeaturesin

thebookandwillopttouseemergingJavaScriptwheneverpossible.

Manyofthesefeaturesarealreadysupportedbythenewestbrowsers.Wewill

alsobecoveringhowtoconvertyourcodefromemergingJavaScriptsyntaxto

ES5syntaxthatwillworktodayinmostallofthebrowsers.Thekangax

compatibilitytableisagreatplacetostayinformedaboutthelatestJavaScript

featuresandtheirvaryingdegreesofsupportbybrowsers.

Inthischapter,wewillshowyoualloftheemergingJavaScriptthatwe’llbe

usingthroughoutthebook.Ifyouhaven’tmadetheswitchtothelatestsyntax

yet,thennowwillbeagoodtimetogetstarted.Ifyouarealreadycomfortable

withESNextlanguagefeatures,youcangoaheadandskiptothenextchapter.

DeclaringVariablesinES6

剩余170页未读，继续阅读

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