function cleaner() {
  var l = {
    'videokub.me': {
      selector: 'videos',
      words: 'Новини'
                 'ТСН'
                 'Красавица-воин'
    },
    'videokub.me': {
      selector: 'block_content',
      words: 'Красавица-воин'
    },
    'another.site': {
      selector: 'yet another selector',
      words: 'another words to search'
    }
......................