JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="abcd" style="width:30px" maxlength="2"class="intValidate""/>

JavaScript

var $ = jQuery; 
$('.intValidate').live('keypress', function(event) {
    if((event.keyCode != 8)&&(event.keyCode != 9)&&(event.keyCode != 37)&&(event.keyCode != 39)&&(event.which < 48 || event.which > 57)) {
                    event.preventDefault();

                  }
            });