function formatMoney(number, decPlaces, decSep, thouSep) code example
Example: tofixed currency in js
(12345.67).toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); // 12,345.67
(12345.67).toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); // 12,345.67