Format money
function formatMoney(money) {
let moneyStr = money.toString();
let offseted = moneyStr.split("")
.slice(0, moneyStr.length % 3);
moneyStr = moneyStr.slice(moneyStr.length % 3);
let result = offseted.concat(moneyStr.match(/\d{3}/g))
.join(',');
let formatedString = `$${result}.00`;
return formatedString;
}
formatMoney(999); // => '$999.00'
formatMoney(1500); // => '$1,500.00'