20个jquery 设计的倒计时demo 可参考
http://www.admin10000.com/document/2779.html
使用jQuery倒计时插件可能是最简单最好的方式添加动态和交互式倒数计时器到您的网站上。我相信你已经注意到了，例如倒计时功能运行网站，显示倒计时，直到一个大事件。当网站正在维护，告诉用户什么时候回来，这就是所谓的正在建设定时器。本文分享20个非常棒的jQuery倒计时脚本
CircularCountdownjQueryPlugin-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Thecircularshapedcountdownpluginisusedinwhitebackground.Fadedredisusedfordays,fadedorangeisforhour,fadedsaffronisforminuteandfadedyellowisforsecond.Thefullroundoffillingcolormeansoneunit.Ifthecircleofsecondbecomesfullofcolorthenitstandsforonesecond.
Coconut–JqueryCountdownPlugin-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Here4differentcirclesofdifferentsizesareused.Smallestcircleisusedfordaysandthesizeincreaseswithhours,minuteandsecondrespectively.Darkbrowncolorisusedintheroundsandthebackgroundisfadedgreen.
DynamicCountdownwithCounter–MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Noboxorcircleisusedinthisformat.Onlythedigitsareusedinthisformat.Countdownismadeinthereversedirectionwiththedecreaseofthedigits.Themecolorandthebackgroundcanbesetasperyourchoice.
JBMarketCircularCountdown-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Wecanseethistypeofcountdowntimerinthewebsiteswhichareunderconstruction.Herecircularcountdowndivisionsareusedinsteadofsquarebox.Thecircleofday,hour,minuteandsecondisindifferentcolors.Mainlyredusedforday,blueisforhour,greenisforminuteandyellowisforsecond.
LuxCountdown-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Manyboxesareusedherewithdefaultcolortheme.Thecolorsareblue,yellow,pink,orange,greenandskyblue.Matrixthemeisalsoavailablehere.OneotherthemeisSteeltheme.
EasyCountdown–MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Thiscomesinanarrayofcolorthemesandisidealforwebsitesthataregoingtolaunch.Itdoesnotrequireadatabaseandyoualsocanintegratesocialicons.Inaddition,acontactformcanbeintegrated,sothatwebvisitorscansendqueriesbeforethelaunchofthesite.
jsCountdown-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
ThisjQuerycountdowncomesin14differentskins.Italsohasapngformattemplatefilethatyoucanmakeyourown.ItiseasytosetupanddoesnotrequireaJavaScriptlibraryorCSSfile.Itcanbeusedtodisplayamessageorredirectwebvisitorstoadifferentwebpagewhenthecounterreacheszero.
BroadcastCountdownWidget-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
IfyourunaWordpresssite,youwilllovethiswidget!Youcanaddcountdownheadertextaswellasfinishtextafterthecountdownreacheszero.YoucansetthetimerforrecurringeventsandcomeswithajQuerydateandtimepickertomakeselectioneasyandconvenient.
PremiumjQueryScript
Itisamodernandusefulcountdownscript.Therearetheindividualboxesforday,hour,minutesandsecond.Thecountdowniscalculatedinthedigitalsystem.Herearesomeofthepremiumscripts.
JavaScriptAnimatedCounter-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
ThisisaJavaScriptcounterthatissimplebuteye-catchingbecauseoftheanimation.Itcanbeusedtopresentincreasingordecreasingvalues,suchastotalincomeorthetotalnumberofvisitors.Italsocanbeusedasdateandtimeortextdisplayorevenasaclock.Itcanbeusedforcampaignandproductlaunchestoshowthetimeremainingbeforethelaunch.
FancyCountdown–jQueryplugin-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
ThisisajQuerypluginthatcanbecustomized.Itisextremelyeasytouseandyoualsocansetatargetdatewithaspecifictimezone.ThispluginhasaratherextensiveAPI.
jQueryPlugin–KKCountdown-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Thispluginisfreeandcanbeusedtocountdowntoaparticulardateinthefuture.Itissimple,buteffective.Itshowsdays,hours,minutesandseconds.
LittlewebthingsCountDown-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
AlthoughaJavaScriptanimatedcountdown,itiscompatiblewithjQueryandeasytointegrate.Itiseasilyskinableandcomeswithstart,stopandresetfunctionalities.Italsoallowsyoutoomittheweekfromcountdownifyoulike.
jQueryCountdownPluginbyDavidWalsh-MOREINFO/DEMO
Thispluginissimilartotheoneinfilesharingsites,suchasRapidShareandMegaUpload.However,thisparticularpluginanimatestheCSSfontofthesecondandoffersvisitorsalittlerewardattheend.
jQueryCountdownpluginthatdoesn’tsucks!-MOREINFO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
AlthoughintheBetaphase,thisjQuerycountdownpluginoffersgreatanimation.Thedeveloperwantstoincludeacallbackinthefutureandotherinterestingfunctionalitiesandfeatures.Itisjust7.5Kinsize.
CountdownTimejQueryPluginbyWebMuse-MOREINFO
ThissimplejQuerycountdownpluginallowsyoutoseethecountdownforaspecificdate.Itcanbeusedforproductlaunchesorcampaigns.ItusesJavaScripttoupdatethesecondsinthecountdownandwhenthetimereacheszero,itstaysatzeroratherthangoingintominus.
Countdown/Constructionpage-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Itistheclassicalcountdownmeterwithblackbackground.Itlookslikeadigitalcalendaranddigitsaredecreasedwithtime.
Comingsoonlandingpage-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Itisanotherclassicalcountdownmeterandlooksliketheanalogversion.Itisusedinthelandingpageofthewebsite.
FlipTimer-MOREINFO/DEMO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Itcomeswith8beautifulcolorthemesthatarereadytouse.Eventhetemplateisattractiveanditcomeswithacontactformthatvisitorscanfilloutforqueries.
FreejQueryCountdownScripts
Hereisalistofthefreecountdownscriptsthatyoucanuseonyoursite.
jQueryCountdown-MOREINFO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
Thisparticularplugincanshowthecountdowntoagiventime.Therearemanydifferentoptionstochoosefromandalloptionscomewithexamplesaswellascodes.
Countdown–MOREINFO
20个非常棒的jQuery倒计时脚本，为开发者添加动态计时器
ThisisaratherflexibleJavaScriptflipclockthatcanbeusedwithorwithoutimages.Youcancountdowndays,hours,minutesandseconds.