IE条件语句IE hack大全_

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1、IE条件语句IEhack大全_Conditionalcommentsworkasfollows:代码如下:!--[ifIE6]SpecialinstructionsforIE6here![endif]--[code]TheirbasicstructureisthesameasanHTMLcomment(!----).Thereforeallotherbrowserswillseethemasnormalcommentsandwillignorethementirely.IE,though,hasbeenprogrammedtorecogni

2、zethespecial!--[ifIE]syntax,resolvestheifandparsesthecontentoftheconditionalcommentasifitwerenormalpagecontent.SinceconditionalcommentsusetheHTMLcommentstructure,theycanonlybeincludedinHTMLfiles,andnotinCSSfiles.I'dhavepreferredtoputthespecialstylesintheCSSfile,butthat'sim

3、possible.Youcanalsoputanentirenewlinktagintheconditionalcommentreferringtoanextrastylesheet.ExampleBelowIaddedalotofconditionalcommentsthatprintoutmessagesaccordingtoyourIEversion.Notehowever,thatifyouusemultipleExplorersononecomputer,theconditionalcommentswillrenderasifal

4、ltheseExplorerversionsarethehighestExplorerversionavailableonyourmachine(usuallyExplorer6.0).TestBelowareafewconditionalcommentsthatrevealtheIEversionyou'reusing.AccordingtotheconditionalcommentthisisIEAccordingtotheconditionalcommentthisisIE7Accordingtotheconditionalcomme

5、ntthisisIElowerthan9AccordingtotheconditionalcommentthisisIElowerorequalto7AccordingtotheconditionalcommentthisisIEgreaterthan6CodeThesyntaxIuseis:[code]pclass="accent"!--[ifIE]AccordingtotheconditionalcommentthisisIEbr/![endif]--!--[ifIE6]Accordingtotheconditionalcommentt

6、hisisIE6br/![endif]--!--[ifIE7]AccordingtotheconditionalcommentthisisIE7br/![endif]--!--[ifIE8]AccordingtotheconditionalcommentthisisIE8br/![endif]--!--[ifIE9]AccordingtotheconditionalcommentthisisIE9br/![endif]--!--[ifgteIE8]AccordingtotheconditionalcommentthisisIE8orhigh

7、erbr/![endif]--!--[ifltIE9]AccordingtotheconditionalcommentthisisIElowerthan9br/![endif]--!--[iflteIE7]AccordingtotheconditionalcommentthisisIElowerorequalto7br/![endif]--!--[ifgtIE6]AccordingtotheconditionalcommentthisisIEgreaterthan6br/![endif]--!--[if!IE]--Accordingtoth

8、econditionalcommentthisisnotIEbr/!--![endif]--/pNotethespecialsyntax:gt:greaterthanlte:le