$('.btn').click(function() {

  $('.text').html('loading...');

  $.ajax({
    type: 'GET',
    url: 'http://www.reddit.com/r/aww/search.json?q=puppy&restrict_sr=true',
    success: function(data) {
      $('.text').html('');
      puppyObjects = data.data.children;
      for (var i = 0; i < puppyObjects.length; i++) {
        var img = '<img src="' + puppyObjects[i].data.thumbnail + '" />';
        $('.text').append(img);
      }
    },
  });
});