using more than 17 decimal places in js code example

Example 1: javascript show 2 decimal places

var myNumber=12.2345;
var myNumberWithTwoDecimalPlaces=parseFloat(myNumber).toFixed(2); //12.23

Example 2: js number with four decimal places

var myNumber = 2;

myNumber.toFixed(2); //returns "2.00"
myNumber.toFixed(1); //returns "2.0"