filter_best_movies_by_year.js

// http://www.imdb.com/chart/top
//
$('.lister-list tr').each(function(i, el){
  var _this = $(this);
  var yearInt = parseInt(_this.find('.secondaryInfo').text().replace(/[\(\)]/g, ''), 10);
  if(yearInt <= 1990){
    _this.remove();
  }
});


// http://www.rottentomatoes.com/top/bestofrt/
//
$('.table tr').each(function(i, el){
  var _this = $(this);
  var year = _this.find('td:nth-child(3)').text().match(/\((\d*)\)/);
  var yearInt = (Array.isArray(year) ? parseInt(year[1], 10) : 0);
  if(yearInt <= 1990){
    _this.remove();
  }
});

// http://www.metacritic.com/browse/movies/score/metascore/all?sort=desc
//
$('.list_product_condensed .movie_product').each(function(i, el){
  var _this = $(this);
  var yearInt = parseInt(_this.find('.data').text().match(/\d{4}/g), 10);
  var isRerelease = /re-release/.test(_this.find('.product_title').text());
  if(yearInt <= 1990 || isRerelease){
    _this.remove();
  }
});