<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <h2>Create your snippet's HTML, CSS and Javascript in the editor tabs</h2> <div class="col-xs-3 col-xs-offset-3"> <div class="input-group number-spinner"> <span class="input-group-btn"> <button class="btn btn-default" data-dir="dwn"><span class="glyphicon glyphicon-minus"></span></button> </span> <input type="text" class="form-control text-center" value="1"> <span class="input-group-btn"> <button class="btn btn-default" data-dir="up"><span class="glyphicon glyphicon-plus"></span></button> </span> </div> </div> </div> </div>

$(document).on('click', '.number-spinner button', function () { var btn = $(this), oldValue = btn.closest('.number-spinner').find('input').val().trim(), newVal = 0; if (btn.attr('data-dir') == 'up') { newVal = parseInt(oldValue) + 1; } else { if (oldValue > 1) { newVal = parseInt(oldValue) - 1; } else { newVal = 1; } } btn.closest('.number-spinner').find('input').val(newVal); });