[Testable.JavaScript(2013.1)].Mark.Ethan.Trostler.文字版

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1、TestableJavaScriptMarkEthanTrostlerTestableJavaScriptbyMarkEthanTrostlerCopyright©2013ZZOAssociates.Allrightsreserved.PrintedintheUnitedStatesofAmerica.PublishedbyO’ReillyMedia,Inc.,1005GravensteinHighwayNorth,Sebastopol,CA95472.O’Reillybooksmaybepurchasedforeducational,business,orsalespromotional

2、use.Onlineeditionsarealsoavailableformosttitles(http://my.safaribooksonline.com).Formoreinformation,contactourcorporate/institutionalsalesdepartment:800-998-9938orcorporate@oreilly.com.Editors:SimonSt.LaurentandMeghanBlanchetteProofreader:RachelHeadProductionEditor:ChristopherHearseIndexer:LucieHa

3、skinsCopyeditor:AudreyDoyleCoverDesigner:RandyComerInteriorDesigner:DavidFutatoIllustrator:RebeccaDemarestJanuary2013:FirstEditionRevisionHistoryfortheFirstEdition:2013-01-14FirstreleaseSeehttp://oreilly.com/catalog/errata.csp?isbn=9781449323394forreleasedetails.NutshellHandbook,theNutshellHandboo

4、klogo,andtheO’ReillylogoareregisteredtrademarksofO’ReillyMedia,Inc.TestableJavaScript,theimageofaDoctorfish,andrelatedtradedressaretrademarksofO’ReillyMedia,Inc.Manyofthedesignationsusedbymanufacturersandsellerstodistinguishtheirproductsareclaimedastrademarks.Wherethosedesignationsappearinthisbook

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6、449-32339-4[LSI]ForInslee,Walter,andMichelle—TrostlersTrostlersTrostlersWoo!TableofContentsPreface.......................................................................ix1.TestableJavaScript..........................................................1PriorArt2AgileDevelopment3Test-DrivenDevelopment

7、5Behavior-DrivenDevelopment5TheBestApproach?6CodeIsforPeople6Why7What9How9BeyondApplicationCode11Testing11Debugging11Recap122.Complexity................................................................13CodeSize14