how to show only 2 digits after decimal in javascript code example

Example 1: javascript show 2 decimal places

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

Example 2: javascript round to 2 digits

var num = 2;
var roundedString = num.toFixed(2);// 2.00