gistfile1.js

var users = '';

$('.js-comment-container').each(function() {
  var c = $(this),
      author = c.find('.author .author a').text(),
      body = c.find('.content-body').text(),
      words = body.split(' ').length;
  while (words--){
    users += author + ' ';
  }
})

console.log(users);