Rounding issue in Math.round() & .toFixed()

Question

I used below two methods :

Number.prototype.myRound = function (decimalPlaces) {
    var multiplier = Math.pow(10, decimalPlaces);

    return (Math.round(th         


        

Answer 1

In my software I use this:

(require DecimalJS)

Number.prototype.toFixed = function(fixed) {
    return (new Decimal(Number(this))).toFixed(parseFloat(fixed) || 
0);
};


var x = 1.005;
console.log( x.toFixed(2) ); //1.01