用dreamweaver编写计算器.doc

计算器 comma2) for (var i=0;icomma1-comma2;i+) str2 += 0; comma = (type=/)?0:comma1; else for (var i=0;i0) value = value.substring(0,value.length-comma)+.+value.substring(value.length-comma,value.length); if (value.indexOf(.)!=-1) value = value.replace(/0*$/,); return value; function NumPressed (Num) if (FlagNewNum) FKeyPad.ReadOut.value = Num; FlagNewNum = false; else if (FKeyPad.ReadOut.value = 0) FKeyPad.ReadOut.value = Num; else FKeyPad.ReadOut.value += Num; function Operation (Op) var Readout = FKeyPad.ReadOut.value; if (FlagNewNum & PendingOp != =); else FlagNewNum = true; if ( + = PendingOp | - = PendingOp | / = PendingOp | * = PendingOp) Accum = longCount(Accum,Readout,PendingOp); else Accum = Readout; FKeyPad.ReadOut.value = Accum; PendingOp = Op; FKeyPad.ReadOut.focus(); FKeyPad.ReadOut.select(); function Decimal () var curReadOut = FKeyPad.ReadOut.value; if (FlagNewNum) curReadOut = 0.; FlagNewNum = false; else if (curReadOut.indexOf(.) = -1) curReadOut += .; FKeyPad.ReadOut.value = curReadOut;function ClearEntry () FKeyPad.ReadOut.value = 0; FlagNewNum = true;function Clear () Accum = 0; PendingOp = ; ClearEntry();function Neg () alert(FKeyPad.ReadOut.value); FKeyPad.ReadOut.value = longCount(FKeyPad.ReadOut.value,-1,*);function Percent () FKeyPad.ReadOut.value = longCount(FKeyPad.ReadOut.value,Accum,*); FKeyPad.ReadOut.value = longCount(FKeyPad.ReadOut.value,100,/);function goReturn() top.returnValue = FKeyPad.ReadOut.value; self.close();fun