title: Retrieve info V3 youtube API with alt=json-in-script&callback
body: <p>Does anyone knows how this can be done with the V3 API ?</p>
  
  <p>This example uses the V2</p>
  
  <p><a href="http://gdata.youtube.com/feeds/api/videos/gzDS-Kfd5XQ?v=2&amp;alt=json-in-script&amp;callback=whatever" rel="nofollow">http://gdata.youtube.com/feeds/api/videos/gzDS-Kfd5XQ?v=2&amp;alt=json-in-script&amp;callback=whatever</a></p>
  
  <p>and the callcack is</p>
  
  <pre><code>&lt;script type="text/javascript"&gt;function youtube' . $random . '(data){document.getElementById(\'title' . $code . '\').title = data.entry[ \'title\' ].$t.substr(0,100);}&lt;/script&gt;
  </code></pre>