<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 ----------> <form role="form" autocomplete="off"> <div class="container"> <div class="row"> <div class="control-group" id="fields"> <div class="controls"> <div class="row"> <div class="entry input-group "> <div class="col-md-1"> <strong><span class="pull-left">Nombre</span></strong> </div> <div class="col-md-3 col-sm-3"> <div class="input-group"> <input class="form-control" name="fields[]" type="text" placeholder="" /> <span class="input-group-btn"> <button class="btn btn-primary btn-add" type="button"> <span class="glyphicon glyphicon-plus"></span> </button> </span> </div> </div> </div> <br> </div> </div> </div> <div class="row"> <small>Press <span class="glyphicon glyphicon-plus gs"></span> to add another form field :)</small> </div> </div> </form>

.entry:not(:first-of-type) { margin-top: 10px; } .glyphicon { font-size: 12px; }

$(function() { $(document).on('click', '.btn-add', function(e) { e.preventDefault(); var controlForm = $('form:first .controls'), currentEntry = $(this).parents('.entry:first'), newEntry = $(currentEntry.clone()).appendTo(controlForm); newEntry.find('input').val(''); controlForm.find('.entry:not(:last) .btn-add') .removeClass('btn-add').addClass('btn-remove') .removeClass('btn-success').addClass('btn-danger') .html('<span class="glyphicon glyphicon-minus"></span>'); }).on('click', '.btn-remove', function(e) { $(this).parents('.entry:first').remove(); e.preventDefault(); return false; }); });