javascript round to 2 decimals

var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
// rounded is 12.3var numb = 123.23454;
numb = numb.toFixed(2);var subTotal="12.1345";// can also be int, float, string
var subTotalFormatted=parseFloat(subTotal).toFixed(2); //"12.13"
let money = 1.6;

money.toFixed(2); // 1.60
float_num.toFixed(2);var num = 2;
var roundedString = num.toFixed(2);// 2.00