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文件名称:新职业英语IT英语(第三版)Unit 3+PPT课件.pptx
文件大小:18.31 MB
总页数:61 页
更新时间:2025-05-21
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文档摘要

;;Warming-up;Warming-up;Warming-up;Warming-up;Warming-up;MostlyCs

Well…youcanuseacomputer.Andyouhaven’tforgottenaboutyourfriends.Butdon’tgetleftbehindbynewtechnology!;ReadingA;FiveStepsofWebAccessibilityTesting;

Step1Itmaycomeasasurprisethatsometimesinvalidcodeworksaswell.Thecodedoesnotnecessarilyleaveavisiblebug.Itmaybelogicallycorrectbutitswritingstyledoesn’tmeetthestandard.However,validcodetendstobeeasiertomaintainaswellasbeingcompatiblewithmanyothertechnologies.Sofirstofall,inordertoreducepossibleproblemstheinvalidcodecauses,validateyourcode.

Step2Automatedaccessibilitytestingisanimportantstepintheoverallprocess.Whenwritinganarticle,relyonthespellcheckertocatchyourtyposeventhoughyouknowyoustillneedtogothroughandcheckoutthecopyyourselftomakesureyouhavewritten“Dave”andnot“Cave”,forinstance.Automatedtestingfindsmanyproblemswhichcouldeasilybemissedbyreadingthecode.

;Step3Hideyourmouseandnavigateyourwebsiteusingonlyyourkeyboard.Makesureeverylink,button,oranyotherfunctionalityinthepageisaccessibleviathekeyboard.Thisisnecessarybecausenotallpeopleusethemousetobrowsewebsites.

Step4Trytocarryoutoneormoreofthetasksyourwebsitewasbuiltfor.Ifit’sanonlinestore,findaproductandbuyit.Ifit’saninformationalsitethenfindkeyinformation.Remember—thisisthereasonyoubuiltthesiteanditisthereasonyouaremakingitaccessible.

;Step5Webaccessibilityisn’tjustfulfillingasetofrequirementsorvalidatingagainstpredefinedcheckpoints.Italsomeansqualitydesign.Soit’sbesttohaveyoursitecheckedoverbyanexpertinscreenreaderanduserinterfacedesign.Theywillhaveanintimateknowledgeoftheirfunctionsanduse,thefrustrationsofpoorwebsitedesignandsolutionswhicheaseor

eliminatethosefrustrations.

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