JSFiddle - React, Tailwind, and code Playground

HTML

<input class="number">
</input>

JavaScript

$('input.number').keyup(function(event){
      if(event.which >= 37 && event.which <= 40){
          event.preventDefault();
      }
      var $this = $(this);
      var num = $this.val().replace(/(\s)/g, '');
      $this.val(num.replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1 "));
  });