[jQuery] Custom event trigger

$(document).ready(function(){
  // Get Weather
  $('button').on('show.weather', function() {
    var results = $(this).closest('li').find('.results');
    results.append('<p>Weather: 74&deg;</p>');
    $(this).off('show.weather');
  });

  // Show Photos
  $('button').on('click.photos', function() {
    var tour = $(this).closest('li');
    var results = tour.find('.results');
    results.append('<p><img src="/assets/photos/'+tour.data('loc')+'.jpg" /></p>');
    $(this).off('click.photos');
    $(this).trigger('show.weather');
  });
});