JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<input id="numbers" type="text" />

JavaScript

$(function() {

  $('#numbers').keyup(function () {
    var val = this.value.replace(/\D/g, '');
    this.value = val;
  });
  
 });