The number to format.
The locale format to use for formatting the number.
Supported values are 'id-ID' (Indonesian) and 'en-EN' (English).
The formatted number as a string.
// Example 1: Formatting in Indonesian locale
const formattedID = numberFormatter(1234567.89, 'id-ID');
console.log(formattedID); // "1.234.567,89"
// Example 2: Formatting in English locale
const formattedEN = numberFormatter(1234567.89, 'en-EN');
console.log(formattedEN); // "1,234,567.89"
// Example 3: Formatting integers
const formattedInt = numberFormatter(1000000, 'en-EN');
console.log(formattedInt); // "1,000,000"
Formats a number according to the specified locale.
This function formats a given number into a locale-specific string representation, such as adding commas for thousands or periods for decimals based on the provided locale.