外文翻译-ajax技术的简介

外文原文来源MASTERINGAJAX14AUG2007FROMOREILLYMEDIAINCINTRODUCINGAJAXTHEPATHOFHISTORYISLITTEREDWITHSPLITS,BRANCHES,ANDWHATIFSTHEPACEOFDEVELOPMENTOFTECHNOLOGYISRELENTLESSANDOFTENMERCILESSPASTBATTLESHAVESEENVHSTRIUMPHOVERBETAMAX,PCSOVERMICROCOMPUTERS,INTERNETEXPLORERIEOVERNETSCAPENAVIGATOR,ANDPLENTYMORESIMILARCONFLICTSAREJUSTWAITINGTOHAPPENINDVDFORMATSITDOESNTMEANTHATONETECHNOLOGYWASNECESSARILYBETTERTHANTHEOTHERITSJUSTTHATONEFORMATORTECHNOLOGYHADTHEFEATURESANDFUNCTIONALITYREQUIREDATTHATTIMETOMAKEITMOREPOPULARYOULLSTILLFINDENTHUSIASTSNOWWAXINGLYRICALABOUTTHEBENEFITSOFBETAMAXTAPE,CLAIMINGTHATITWASSMALLER,HADBETTERQUALITYANDSUCHITDOESNTMEANTHEYWEREWRONGPERHAPSTHEYWEREBEINGALITTLESADANDOBSESSIVE,BUTBENEATHITALL,THEYHADAPOINTTHEEVOLUTIONOFTHEINTERNETHASHADITSOWNSUCHFORKSONETHATCONTINUESTORUMBLEISTHESOCALLED“FATCLIENT”VERSUS“THINCLIENT”DEBATEBRIEFLYPUT,THISISTHECHOICEBETWEENGETTINGYOURBROWSERTODOMOSTOFTHEWORK,ASOPPOSEDTOGETTINGASERVERATTHEOTHERENDTODOTHEPROCESSINGINITIALLY,INTHEMID1990S,ITLOOKEDASIFTHE“FATCLIENT”IDEOLOGYWASGOINGTOWINOUTTHEINTRODUCTIONOFIE4ANDNETSCAPENAVIGATOR4BROUGHTWITHTHEMTHEADVENTOFDYNAMICHTML,WHICHUSEDSCRIPTINGLANGUAGESTOALTERPAGESSOTHATYOUCOULDDRAGANDDROPITEMSORMAKEMENUSAPPEARANDDISAPPEARWITHOUTREQUIRINGAPAGEREFRESHWITHINAYEAR,THOUGH,THEREWASARUSHTOWARDTHE“THINCLIENT,”WITHTHEINTRODUCTIONOFSERVERSIDETECHNOLOGIESSUCHASACTIVESERVERPAGESANDPHPTHECLIENTSIDETECHNIQUESSTILLEXIST,BUTTHEMODELOFCURRENTINTERNETANDWEBPAGEUSAGEISBROADLYBASEDONTHESERVERSIDEMETHODOF“ENTERYOURDATA,SENDTHEPAGETOTHESERVER,ANDWAITFORARESPONSE”WHENONEFORMATPREDOMINATESINTHESTAMPEDETOADOPTION,YOUCANOFTENFORGETWHATWASGOODABOUTTHEOTHERFORMATFOREXAMPLE,SOMEASPECTSOFPAGEVALIDATIONCANBEPERFORMEDEQUALLYASWELLONTHEBROWSERIFYOUWERETOTYPE“FAKEEMAIL”INTOANEMAILTEXTBOX,YOUWOULDNTNEEDTOGOTOTHESERVERTOCHECKTHISJAVASCRIPTCANPERFORMACHECKFORYOUEQUALLYASEFFICIENTLY,ANDALSOMUCHMOREQUICKLYWHILEPLENTYOFPEOPLESENSIBLYDOVALIDATIONONBOTHCLIENTANDSERVER,MANYPAGESATTEMPTTOPERFORMTHEPROCESSINGONLYONTHESERVERIFTHEREHASBEENONECONTINUALBUGBEARABOUTTHEWEB,ITISTHATITISSLOWTIMEOUTS,PAGENOTFOUNDERRORS,UNRESPONSIVEBUTTONSANDLINKSHAVENTGONEAWAY,DESPITETHEFACTTHATBANDWIDTHHASINCREASEDTENFOLDSO,OTHERWAYSOFADDRESSINGTHISSLUGGISHNESSAREBECOMINGMORECOMMONCOMPANIESHAVEBEGUNTOREEVALUATETHEWAYTHEYAREDOINGTHINGSTOSEEIFTHEYCANIMPROVETHEUSEREXPERIENCEONSEVERALLEVELSMAKINGPAGESFASTERANDMORERESPONSIVE,BUTALSOOFFERINGAMORESEAMLESSANDRICHEREXPERIENCETHISOFTENINVOLVEDGOINGBACKTOOLDTECHNIQUESTHEFIRSTANDBESTEXAMPLEOFCREATINGWEBAPPLICATIONSINTHIS“NEW”WAYWASGOOGLESGMAILGOOGLEALSOUSEDTHESETECHNIQUESINTHEAPPLICATIONSGOOGLESUGGESTANDGOOGLEMAPS,ALTHOUGHNEITHERAPPLICATIONSHOWCASESTHEMQUITEINSUCHANEFFECTIVEWAYORENJOYSQUITETHESAMENOTORIETYWINDOWSLIVEMAILFORMERLYNAMEDKAHUNA,AMAZONSSEARCHENGINEA9COM,YAHOOSFLICKRCOMFORORGANIZINGPHOTONLINEALLWERELACKINGACOMMONWAYOFDESCRIBINGTHEIRFEATURES,UNTILANONLINEARTICLEIN2005CHANGEDALLTHATBYCHRISTENINGTHESETECHNIQUESAJAXWHATISAJAXAJAXISTHECATCHYTERMCOINEDBYJESSEJAMESGARRETTINHIS2005ARTICLEFORADAPTIVEPATHCALLED“AJAXANEWAPPROACHTOWEBAPPLICATIONS,”WHICHCANSTILLBEFOUNDATHTTP/ADAPTIVEPATHCOM/PUBLICATIONS/ESSAYS/ARCHIVES/000385PHPYOUSHOULDREADTHISARTICLEIFYOUHAVENTALREADY,ALTHOUGHNOTBEFOREYOUFINISHTHISCHAPTER,BECAUSEITCANBESLIGHTLYMISLEADINGASTOEXACTLYWHATAJAISAJAXISALSOANACRONYM,BUTFORTHESAMEREASONS,LETSDEFEREXPLAININGJUSTWHATITSTANDSFORRIGHTNOWAJAXDIDNTEXISTBEFORETHISARTICLE,BUTTHEFEATURESTHEARTICLEDESCRIBEDCERTAINLYDIDINSHORT,AJAXISASETOFPROGRAMMINGTECHNIQUESORAPARTICULARAPPROACHTOWEBPROGRAMMINGTHESEPROGRAMMINGTECHNIQUESINVOLVEBEINGABLETOSEAMLESSLYUPDATEAWEBPAGEORASECTIONOFAWEBAPPLICATIONWITHINPUTFROMTHESERVER,BUTWITHOUTTHENEEDFORANIMMEDIATEPAGEREFRESHTHISDOESNMEANTHATTHEBROWSERDOESNTMAKEACONNECTIONTOTHEWEBSERVERINDEED,THEORIGINALARTICLEPAINTSSLIGHTLYINCOMPLETEPICTUREINTHATITFAILSTOMENTIONTHATSERVERSIDETECHNOLOGIESAREOFTENSTILLNEEDEDITISVERYLIKELYTHATYOURPAGE,ORDATAFROMWHICHTHEPAGEISDRAWN,MUSTSTILLBEUPDATEDATSOMEPOINTBYARENDEZVOUSWITHTHESERVERWHATDIFFERSINTHEAJAXMODELISTHATTHEPOSITIONATWHICHTHEPAGEISUPDATEDISMOVEDWELLLOOKATTHETWOMODELSINMOREDETAILSHORTLYGARRETTSARTICLEENVISAGEDAWORLDWHEREWEBAPPLICATIONSCOULDBEMIRROREDWINDOWSAPPLICATIONSINTHEIRFUNCTIONALITY“RICHNESS,”“RESPONSIVENESS,”AND“SIMPLICITY”WERETHEKEYWORDSINVOLVEDHEENVSIONEDANEWBREEDOFAPPLICATIONS,ONETHATWOULDCLOSETHEGAPBETWEENTHEWORLDSOFWINDOWSANDWAPPLICATIONSHECITEDGMAIL,GOOGLESUGGEST,ANDGOOGLEMAPSASKEYEXPONENTSOFTHISNEWAPPROACHTHEARTICLEANDEVENTHETERM“AJAX”POLARIZEDPEOPLEWHILEPLENTYOFPEOPLELOVEDITANDTOOKUPITSCREED,MANYDEVELOPERSCRITICIZEDASPECTSFROMTHENAME“AJAX,”CALLINGITBANAL,TOTHETECHNIQUDESCRIBED,WHICHWERENTBYANYSTRETCHOFTHEIMAGINATIONNEWTHEREWASDEFINITELYAHINTOFTHEMODERNARTHATERSTYPICALCRITICISMABOUTABSTRACTART“HEY,ICOULDDOTHATANDSOCOULDMY10YEAOLD”ABOUTTHECOMPLAINTSJUSTBECAUSEPEOPLECOULDHAVEBEENUSINGTHESETECHNIQUESTOCREATETHWEBPAGESANDAPPLICATIONSDIDNTMEANTHEYHADBEENUNFORTUNATELY,JEALOUSYANDBACKBITINGREIGNEWHATEMERGED,THOUGH,WASACONSENSUSTHATTHETECHNIQUESANDIDEASTHATJESSEJAMESGARRETTDESCRIBEDREALLYSTRU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