title: append new elements to JSON array using jquery
body: <p>I have the following JSON array</p>
  
  <pre><code> var feeds =   {"data":[{"id":"128811893769_10152115787143770"},{"id":"128811893769_10152115787143770"}]}
  </code></pre>
  
  <p>How to add new key and values in to json i.e(likes_count,share_count)</p>
  
  <pre><code>$.each(feeds.data, function (i, item) {
      $.getJSON("facebook_feeds.php?result_type=getCounts&amp;id="+item.id, 
          function(summary) {                         
              var likesCount = summary[0].like_info.like_count;                      
              var shareCount = summary[0].share_info.share_count;             
          });
  });
  </code></pre>
  
  <p>I want to push the key and values in to feeds array</p>