js round to 4 decimals 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: js number with four decimal places
var myNumber = 2;
myNumber.toFixed(2); //returns "2.00"
myNumber.toFixed(1); //returns "2.0"
Example 3: round number 2 decimals javascript
Math.round((num + Number.EPSILON) * 100) / 100