JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://demo-place.esy.es/js/libs/jquery.maskedinput.min.js"></script>
<form>
								<div class="column">
									<div class="form-group">
										<input type="text" class="form-control" placeholder="Ваш телефон" name="phone" data-mask="+38 (099) 999-99-99" required/>
									</div>
								</div>
								<div class="column">
									<div class="form-controls">
										<button type="button" class="btn btn-red btn-large btn-block btn-submit" required disabled="disabled">Заказать звонок</button>
									</div>
								</div>
							</form>

JavaScript

$(function() {
     var codes = {
         '063': 'Life',
         '065': 'MTS',
         '044': 'Gorodskoy'



     }
     var inputs = $('[data-mask]');
     inputs.filter(':not(.ready)').each(function() {
         var inp = $(this);
         var mask = inp.attr('data-mask');
         inp.mask(mask, {
             placeholder: "_"
         }).addClass('ready');
     });
     $(document)
         .delegate('.js-numeric', 'keypress', function(e) {
             var key = e.which;
             if (key != 8 && key != 0 && (key < 48 || key > 57)) return false;
         })
         .delegate('[required]', 'keyup change', function(e) {
             var group = $(this).parents('.form-group');
             group.find('.error-block').slideUp('fast', function() {
                 group.removeClass('error');
             });
             required();
         })
         .delegate('[data-mask]', 'blur', function() {
             required();
         })
         // check required fields
     var required = function() {
         $('form').each(function() {
             var form = $(this);
             var enable = true;
             valid = false;
             form
                 .find('[required]')
                 .filter('input[type="hidden"], input[type="text"], input[type="password"], input[type="email"], textarea, select')
                 .each(function() {
                     if (!$(this).val() || $(this).val().replace(/\D/g, '').length < 12) enable = false;
                     if (codes[$(this).val().substr(5, 3)]) valid = true;
                     if (codes[$(this).val().substr(5, 3)]) {
                         obj = {
                             date: '',
                             time: '',
                             phone: ''


                         };

                         alert(obj[0]);
                     }
                 }).end().end()




             .find('button,input[type="button"]').filter('[required]').attr('disabled', (valid &&...