<link href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.0/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="input-group"> <span class="input-group-btn"> <button type="button" class="btn btn-default btn-number" disabled="disabled" data-type="minus" data-field="quant"> <span class="glyphicon glyphicon-minus"></span> </button> </span> <input type="text" name="quant" class="form-control input-number" value="1" min="1" max="10" disabled> <span class="input-group-btn"> <button type="button" class="btn btn-default btn-number" data-type="plus" data-field="quant"> <span class="glyphicon glyphicon-plus"></span> </button> </span> </div>

//plugin bootstrap minus and plus //http://jsfiddle.net/laelitenetwork/puJ6G/ $('.btn-number').click(function(e){ e.preventDefault(); fieldName = $(this).attr('data-field'); type = $(this).attr('data-type'); var input = $("input[name='"+fieldName+"']"); var currentVal = parseInt(input.val()); if (!isNaN(currentVal)) { if(type == 'minus') { if(currentVal > input.attr('min')) { input.val(currentVal - 1).change(); } if(parseInt(input.val()) == input.attr('min')) { $(this).attr('disabled', true); } } else if(type == 'plus') { if(currentVal < input.attr('max')) { input.val(currentVal + 1).change(); } if(parseInt(input.val()) == input.attr('max')) { $(this).attr('disabled', true); } } } else { input.val(0); } }); $('.input-number').focusin(function(){ $(this).data('oldValue', $(this).val()); }); $('.input-number').change(function() { minValue = parseInt($(this).attr('min')); maxValue = parseInt($(this).attr('max')); valueCurrent = parseInt($(this).val()); name = $(this).attr('name'); if(valueCurrent >= minValue) { $(".btn-number[data-type='minus'][data-field='"+name+"']").removeAttr('disabled') } else { alert('Sorry, the minimum value was reached'); $(this).val($(this).data('oldValue')); } if(valueCurrent <= maxValue) { $(".btn-number[data-type='plus'][data-field='"+name+"']").removeAttr('disabled') } else { alert('Sorry, the maximum value was reached'); $(this).val($(this).data('oldValue')); } });