$(function(){

  $('#append').on('click', function () {

​

    var text = $('#new-email').val();

    var li = '<li>' + text +  '<input type="hidden" name="additionalInfo" value="'+text+'"/><a href="#" class="remove-btn" >remove</a></li>';

    $('#additional-info-list').append(li);

    $('#new-email').val('');

});

  $(document).on('click', 'li>.remove-btn', function (event){

    var _this =$(this);

    _this.closest('li').remove();

​

});

});