JS Precision Loss Resolution

/** Addition operation, to avoid the data added after the decimal point to produce multiple digits and the loss of computational accuracy. * * @param num1 addend 1 | Num2 Addend 2*/functionNumadd (NUM1, num2) {varBasenum, BaseNum1, baseNum2; Try{baseNum1= Num1.tostring (). Split (".") [1].length; } Catch(e) {baseNum1= 0; }    Try{baseNum2= Num2.tostring (). Split (".") [1].length; } Catch(e) {baseNum2= 0; } basenum= Math.pow (10, Math.max (BASENUM1, baseNum2)); return(NUM1 * basenum + num2 * basenum)/Basenum;};/** Addition operation to avoid the loss of multi-digit and computational precision when the data is reduced by a few points. * * @param num1 minuend | num2 meiosis*/functionnumsub (NUM1, num2) {varBasenum, BaseNum1, baseNum2; varPrecision//accuracy    Try{baseNum1= Num1.tostring (). Split (".") [1].length; } Catch(e) {baseNum1= 0; }    Try{baseNum2= Num2.tostring (). Split (".") [1].length; } Catch(e) {baseNum2= 0; } basenum= Math.pow (10, Math.max (BASENUM1, baseNum2)); Precision= (baseNum1 >= baseNum2)?basenum1:basenum2; return((NUM1 * basenum-num2 * basenum)/basenum). toFixed (precision);};/** Multiplication operation to avoid data multiplication after the decimal point to produce multiple digits and loss of computational precision. * * @param num1 by multiplier | Num2 Multiplier*/functionNummulti (NUM1, num2) {varBasenum = 0; Try{basenum+ = Num1.tostring (). Split (".") [1].length; } Catch(e) {}Try{basenum+ = Num2.tostring (). Split (".") [1].length; } Catch(e) {}returnNumber (num1.tostring (). Replace (".", "")) * Number (num2.tostring (). Replace (".", "") "/Math.pow (10, basenum);};/** * Division operation, to avoid dividing the data after the decimal point to produce multiple digits and calculate the loss of precision. * * @param NUM1 Dividend | NUM2 Divisor*/functionNumdiv (NUM1, num2) {varBASENUM1 = 0, BaseNum2= 0; varbaseNum3, BASENUM4; Try{baseNum1= Num1.tostring (). Split (".") [1].length; } Catch(e) {baseNum1= 0; }    Try{baseNum2= Num2.tostring (). Split (".") [1].length; } Catch(e) {baseNum2= 0; }     with(Math) {baseNum3= Number (num1.tostring (). Replace (".", "")); BASENUM4= Number (num2.tostring (). Replace (".", "")); return(BASENUM3/BASENUM4) * POW (BASENUM2-baseNum1); }};

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JS Precision Loss Resolution