Can jQuery add commas while user typing numbers?

Question

How would I go about dynamically adding commas as a user is entering numbers? Is there a good number formatter that would help? I have to add these numbers later so I eventu

Answer 1

Run the code snippet to see it work

$('input.number').keyup(function(event) {

  // skip for arrow keys
  if(event.which >= 37 && event.which <= 40) return;

  // format number
  $(this).val(function(index, value) {
    return value
    .replace(/\D/g, "")
    .replace(/\B(?=(\d{3})+(?!\d))/g, ",")
    ;
  });
});