Format currency according to culture in JavaScript

Convert number string to formatted currency string according to culture

function FormatStringToCurrency(val)

        {

            ///Convert string in float number

            var num = parseFloat(val);

            if (isNaN(num)) {

                return;

            }

            ///Find culture of browser

            var culture = navigator.language

            var formatted = num.toLocaleString(culture);

            var currency = num.toLocaleString(culture, { style: 'currency', currency: 'INR' });

        }