jquery Numerical accuracy calculation

         /** * Determine if the values are equal * @param source Original comparison data * @param target target comparison data * @param accuracy precision Value * @returns {Boolean}*/isequal:function(source,target,accuracy) {accuracy= Accuracy = = undefined? 10:accuracy;//default Precision bit            returnparsefloat (source). toFixed (accuracy) = = =parsefloat (target) toFixed (accuracy); }        /** * Add value * @param firstnumber * @param lastnumber * @returns {number}*/Accuracyadd:function(firstnumber,lastnumber) {varnum1,num2,m; Try{num1=firstnumber.tostring (). Split (".") [1].length}Catch(e) {num1=0}; Try{num2=lastnumber.tostring (). Split (".") [1].length}Catch(e) {num2=0}; M=math.pow (10, Math.max (num1,num2)); return(firstnumber*m+lastnumber*m)/m;        }        /** * Numeric subtraction * @param firstnumber * @param lastnumber * @returns {string}*/accuracysub:function(firstnumber,lastnumber) {varR1,r2,m,n; Try{r1=firstnumber.tostring (). Split (".") [1].length}Catch(e) {r1=0}        Try{r2=lastnumber.tostring (). Split (".") [1].length}Catch(e) {r2=0} m=math.pow (10, Math.max (R1,R2)); //Last modify by Deeka        //Dynamic Control accuracy lengthN= (R1>=R2)?R1:R2; return((firstnumber*m-lastnumber*m)/m). ToFixed (n);    }        /** division function, divide two number * @param arg1 * @param arg2 * @returns {#}*/Accuracydiv:function(arg1,arg2) {varT1=0,t2=0, R1,R2; Try{t1=arg1.tostring (). Split (".") [1].length}Catch(e) {}Try{t2=arg2.tostring (). Split (".") [1].length}Catch(e) {} with(Math) {R1=number (Arg1.tostring (). Replace (".", "")) R2=number (Arg2.tostring (). Replace (".", ""))            return(R1/R2) *pow (10,T2-T1);        }    }        /** multiplication function, multiply by two * @param arg1 * @param arg2 * @returns {number}*/Accuracymul:function(arg1,arg2) {varM=0,s1=arg1.tostring (), s2=arg2.tostring (); Try{M+=s1.split (".") [1].length}Catch(e) {}Try{M+=s2.split (".") [1].length}Catch(e) {}returnNumber (S1.replace (".", "")) *number (S2.replace (".", ""))/math.pow (10,m)}

jquery Numerical accuracy calculation