code: function searchLinks() {
      var filter, map;
      filter = Array.prototype.filter;
      map = Array.prototype.map;
      return map.call(filter.call(document.querySelectorAll("a"), function(a) {
          return (/^http:\/\/.*/i).test(a.getAttribute("href"));
      }), function(a) {
          return a.getAttribute("href");
      });
  }
docs: Fetch all <a> elements from the page and return the ones which contains a href starting with 'http://'