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1、iTePub.Net-CollectTheuserexperienceThischaptercovers■Keyfeaturesofusablecode■Commonnotificationfeatures■Areusableframeworkfornotifications■Highlightingupdateddatainsitu211LicensedtojonathanzhengiTePub.Net-Collect212CHAPTER6Theuserexpe
2、rienceInchapter1,wediscussedusability,thekeystonetoanysoftwareapplication.Nomatterhowwellorganizedyourcodebaseandhowcleverthetechnicalmeritsofyourapplication,iftheusabilitystinks,youleaveabadassociationintheuser’smind.Thiscanbegrosslyunfair,butit’safacto
3、flife.MorepeoplerecognizeAlbertEinsteinforhishangdoglooksandwildhairthanunderstandwhathewastryingtosayaboutthenatureofspace-time.Firstimpressions—andattentiontodetail—matters.Inchapters2to5,weintroducedalotofcooltechnologyanddidsomecleverthingswithAjax.T
4、hefocusonorganizationthroughoutthelatterpartofthisjourneyhasenabledustobeflexibleandhighlyadaptiveabouthowwedothesethings.However,ourexampleshavebeenratherrougharoundtheedges,andrightlysowhilewefocusedontheclevernessathand,butnowweneedtostepbackandassess
5、whatwehavedoneintermsofcreatingsomethingthatpeoplewillactuallywanttouse,possiblyforseveralhoursaday.ThetopicspresentedinthischapterwillgoalongwaytowardhelpingyougetyourAjaxapplicationreadyandpresentablefortherealworld.Oneofthebiggestthingsthatyoucandotom
6、akeyourusersfeelcomfortablewithyourapplicationistokeeptheminformedaboutbackgroundeventsinadis-creteandconsistentfashion.Theyaren’tthebe-allandend-allofusability,butwewillfocusontheminthischapterinordertoshowhowanin-depth,consistenttreatmentbenefitstheapp
7、licationasawhole.MostAjaxapplicationswillwanttonotifytheuseratsomepointtoo,sowehopeyou’llfindthefinishedcomponentsusefulinyourownprojectsaswell.Wedevelopseveralsolutionsinthischapterforlettingtheusersknowwhatisgoingon,withoutgettinginthewayoftheirworkflo
8、w.Beforewegointothesespecifics,though,let’stakeaquicklookatwhatwemeanbyqualityandhowtogetthere.6.1Gettingitright:buildingaqualityapplicationUsabilityisanespeciallyhottopicforAjaxbecausewebappuserscanbeanextremelyficklebunc
