Given a positive integer n representing the amount of cents you have, return the formatted currency amount. For example, given n = 123456, return "1,234.56"

Example 1: how to format money as currency string

(12345.67).toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,');  // 12,345.67

Example 2: js format urcurency

// Create our number formatter.
var formatter = new Intl.NumberFormat('en-US', {
  style: 'currency',
  currency: 'USD',
});

formatter.format(2500); /* $2,500.00 */