Write a JavaScript program to create a specified currency formatting from a given number

const toCurrency = (n, curr, LanguageFormat = undefined) =>
  Intl.NumberFormat(LanguageFormat, { style: 'currency', currency: curr }).format(n);

console.log(toCurrency(123456.789, 'EUR')); // currency: Euro | currencyLangFormat: Local
console.log(toCurrency(123456.789, 'USD', 'en-us')); // currency: US Dollar | currencyLangFormat: English (United States)
console.log(toCurrency(123456.789, 'USD', 'fa')); //currency: US Dollar | currencyLangFormat: Farsi
console.log(toCurrency(322342436423.2435, 'JPY')); //currency: Japanese Yen | currencyLangFormat: Local
console.log(toCurrency(322342436423.2435, 'JPY', 'fi')); //currency: Japanese Yen | currencyLangFormat: Finnish