how to add two currency string values in javascript code example

Example 1: js format urcurency

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

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

Example 2: tofixed currency in js

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