javascript 函數(shù) 網(wǎng)頁(yè)js（javascript 函數(shù) 網(wǎng)頁(yè)js）

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1、javascript函數(shù)網(wǎng)頁(yè)js（javascript函數(shù)網(wǎng)頁(yè)js）Share:JavaScriptfunctionDaquanBaiduspace_applicationplatformMypersonalhomepagefriendsaeoae

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4、dresssetoutAeoaeArticles,albums,HOHOphotos,PK,sharing,voting,testinggifts,pets,happytribes,carfactories,colorfulfishM

5、oreWebgameAddsettingsSharinghot,sharinglatest,sharingfriends,sharing,sharingandfeedbackGoodcitizensshareandshareJavaScriptfunctionDaquanJavaScriptfunctionscanbedividedintofivecategories:GeneralfunctionArrayfunctionDatefunctionMathematicalfunctionStringfunct

6、ion1.generalfunctionTheJavaScriptroutinefunctionconsistsofthefollowing9functions:(1)alertfunction:displaysawarningdialogbox,includingaOKbutton.(2)confirmfunction:displaysaconfirmationdialog,includingtheOKandCancelbuttons.(3)escapefunction:convertscharacters

7、intoUnicodecodes.(4)Evalfunction:calculatingtheresultofanexpression.(5)isNaNfunction:thetestis(true),no(false)isnotanumber.(6)parseFloatfunction:convertsstringsintocharacternumbers.(7)parseIntfunction:convertsstringsintointegernumbers(whichcanbespecifiedinh

8、exadecimalnumbers).(8)promptfunction:displaysaninputdialogboxthatpromptsforuserinput.Suchas:Script>(9)theunescapefunctiondecodesthecharactersencodedby

9、theescapefunction.2.arrayfunctionTheJavaScriptarrayfunctionconsistsofthefollowing4functions:(1)joinfunction:convertandconnectallelementsinanarraytoastring.Cases:Function,JoinDemo(){VaR,a,b;A=new,Array(0,1,2,3,4);B=a.join("-");//delimiterReturn(b);//returnb=

10、=0-1-2-3-4"}(2)lengthfunction:returnsthelengthofthearray.Cases:Function,LengthDemo(){VaR,a,l;A=new,Array(0,1,2,3,4);L=a.length;Return(L);//l==5}(3)reversefunction:invertthearrayelementsinreverseorder.Cases:Function,ReverseDemo(){VaR,a,l;A=new,Array(0,1,2,3,

11、4);L=a.reverse();Return(L);}(4)sortfunction:reorderthearrayelements.Cases:Function,SortDemo(){VaR,a,l;A=newArray("X","y","Z","D","V","M","R");L=a.sort();Return(L);}3.日期函數(shù)Javascript日期函數(shù)包括以下20個(gè)函數(shù):(1)getd