JSFiddle - React, Tailwind, and code Playground

HTML

<input class="number">

JavaScript

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

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

  $(this).val(function(index, value) {
      value = value.replace(/,/g,'');
      return numberWithCommas(value);
  });
});

function numberWithCommas(x) {
    var parts = x.toString().split(".");
    parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
    return parts.join(".");
}