up to two decimal places js 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: how to numeric value is after point 2 values in javascript
var totalAmount = 0;
totalAmount = Number($("#sub_amount").val()) + Number($("#vat_amount").val());
totalAmount = totalAmount.toFixed(2);
$('#total_amount').val(totalAmount);
//@sujay