how to show only two decimal places in javascript code example

Example 1: js number 2 decimal places

(3.141596).toFixed(2);	// 3.14

Example 2: javascript show 2 decimal places

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

Example 3: js number with four decimal places

var myNumber = 2;

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

Example 4: to 2 decimal places javascript

var discount = Math.round((100 - (price / listprice) * 100) * 100) / 100;