how to round to a set number of decimals in javascript code example

Example 1: javascript round to 2 decimal places

var subTotal="12.1345";// can also be int, float, string
var subTotalFormatted=parseFloat(subTotal).toFixed(2); //"12.13"

Example 2: round number 2 decimals javascript

Math.round((num + Number.EPSILON) * 100) / 100