new mw.Api().post({
      format: 'json',
      action: 'query',
      prop: 'revisions',
      revprop: 'content',
      titles: 'Transcripts/Sweet_and_Elite'
      })
      .done(function(d) {
         for (var i in d.query.pages) {
           var content = d.query.pages[i].revisions.rev.xml:space;
         }
         alert(content);
      })
      .fail(function() {
        console.log('Fail!');
      });