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Oct 24th, 2014
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  1.       function listCount (event) {
  2.         $('.videos').each(function(i,v) {
  3.         // Variaveis
  4.           var vids;
  5.           var qnt;
  6.         // No atributo data-playlist, tem o id da playlist em questão
  7.           playlistID = $(this).attr('data-playlist');
  8.         //Json da API do Youtube
  9.           $.getJSON('https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&playlistId='+playlistID+'&key='+id key+', function(i, v) {
  10.                //conta a quantidade de items e retorna a variável "qnt" com o total
  11.             vids = i.items;
  12.              qnt = Object.keys(videos).length
  13.          });
  14.        });
  15.      }
  16.  
  17.  
  18. // HTML
  19.  
  20.     <div class="container">
  21.         <div class="video" data-playlist="ID-da-Playlist">
  22.             <img src="#" alt="">
  23.             <p class="qnt"></p>
  24.         </div>
  25.         <div class="video" data-playlist="ID-da-Playlist">
  26.             <img src="#" alt="">
  27.             <p class="qnt"></p>
  28.         </div>
  29.         <div class="video" data-playlist="ID-da-Playlist">
  30.             <img src="#" alt="">
  31.             <p class="qnt"></p>
  32.         </div>
  33.     </div>
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