decimal precision in javascript code example

Example 1: javascript snumber two decimal places as string

let money = 1.6;

money.toFixed(2); // 1.60

Example 2: math.round js 1 decimal

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

Example 3: 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

Example 4: js round up decimal

Math.round(3.14159)  // 3
Math.round(3.5)      // 4
Math.floor(3.8)      // 3
Math.ceil(3.2)       // 4