[What.Is.HTML5？(2011.7)].Brett.McLaughlin.文字版 .pdf

《[What.Is.HTML5？(2011.7)].Brett.McLaughlin.文字版 .pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、WhatIsHTML5?BrettMcLaughlinBeijing•Cambridge•Farnham•Köln•Sebastopol•TokyoWhatIsHTML5?byBrettMcLaughlinPrintingHistory:ISBN:978-1-449-31035-61310507581TableofContentsWhatIsHTML5?..............................................................1Areturntofirstprinciples2HTML5:Stillconnectingthings2H

2、TML5connectionsarethenewrichmedia3JavaScriptisn’tthefocusofHTML5...right?5Container-basedwebpages:Astep(sortof)intherightdirection6Thecanvaselementisaprogrammablediv9Mobile:Killerapplication,ho-humclient10...andapartridgeandapeartree11vWhatIsHTML5?OnceyoureallyunderstandHTML5,you’llchangetheway

3、youthinkabouttheweb.•“Areturntofirstprinciples”onpage2•“HTML5:Stillconnectingthings”onpage2•“HTML5connectionsarethenewrichmedia”onpage3•“JavaScriptisn’tthefocusofHTML5...right?”onpage5•“Container-basedwebpages:Astep(sortof)intherightdirection”onpage6•“Thecanvaselementisaprogrammablediv”onpage9•

4、“Mobile:Killerapplication,ho-humclient”onpage10•“...andapartridgeandapeartree”onpage11HTML5:Everyone’susingit,nobodyknowswhatitis.Irealizethatsoundsmorelikealineoutofanexistentialmovie—maybeWaitingforGodotorascreenplaybySartre—thanastatementaboutHTML5.Butit’sreallythetruth:mostofthepeopleusingH

5、TML5aretreatingitasHTML4+,orevenworse,HTML4(andsomestufftheydon’tuse).Theresult?ArealdelayintheparadigmshiftthatHTML5isalmostcertaintobring.It’scertainlynottimetolookaway,becausebythetimeyoulookback,youmayhavemissedsomethingreallyimportant:asubtlebutimportanttransitioncenteredaroundHTML5.Inthis

6、post,IwanttotakeadeeperlookatHTML5.Ihaveasimplepropositionwithalotofcomplexconsequences:HTML5isbothsomethingentirelynew,andyetnoth-1ingmorethanHTMLwaseverintendedtobe;andthatonceyoureallyunderstandHTML5,you’llchangethewayyoucodeandeventhinkaboutthewebandyourownwebapplications.Areturntofirstprin

7、ciplesHTMLhasalwaysbeenaboutinterconnection.Backintheancientdays,whenelec-tronicawascoolandnotcalled“housemusic”andbeforetheRollingStonesqualifiedforMedicare,thewebwaslitteredwithbighugedocuments.Infact,itwasexactlytheoppositeofto