js decimal round code example

Example 1: math.round js 1 decimal

var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
// rounded is 12.3

Example 2: rounding number to x decimals javascript

let num = 12.5452411;
num = num.toFixed(3); // 12.545

Example 3: round number 2 decimals javascript

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

Example 4: 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