Google Chrome Extension: Custom JavaScript for websites

m.piekielni.pl

jQuery(function($){
    $('header,footer,iframe,.ads,#footer').remove();
    $('#mobile-content,.picture').css('max-width', 'none');
    $('.pictureWrapper').css('border-bottom', '1px dashed gray');
});

sololearn.com

$(document).keypress(function(e) {
    if(e.which == 13) { // Enter
        $('#textView > button:visible').trigger('click');
    }
});

alltube.tv

jQuery(function($) {
  $('body > div.container-fluid > div:nth-child(2) > div.col-sm-7').attr('id', 'left-column');
  $('body > div.container-fluid > div:nth-child(2) > div.col-sm-5').attr('id', 'right-column');

  $('span[class="glyphicon glyphicon-chevron-left"]').parent().attr('id','btn-prev');
  $('span[class="glyphicon glyphicon-chevron-right"]').parent().attr('id','btn-next');

  $('#right-column').empty(); // right column
  $('#iframe-container').show(); // player container
  $('#iframe-container table').attr('id', 'links-table').appendTo('#right-column'); // links
  $('#input-search').parents('form').detach().prependTo('body'); // searchbar
  $('#links-table a.watch').css('padding', '3px 20px'); // watch button
  $('ul.episode-list li.episode').show(); // show all episodes
  $('#search').css('margin', 0);
  $('#iframe-container').next().prependTo('#right-column').css('margin-bottom', '10px'); // navigation
  $('#right-column').wrapInner(
      $('<div>', {'id':'right'}).css({
          'position': 'fixed'
      })
  );

  (function(tr) { // cda on top
    tr.has('img[alt=cda]').detach().prependTo(tr.parent());
  })($('#links-table > tbody > tr'));

  $('header').remove(); // header
  $('#please-wait-container').remove(); // please wait counter
  $('#undermenu').remove(); // banner under menu
  $('#left-column > hr').first().prevAll().addBack().remove(); //social
  $('#report-episode-form,#report-movie-button').prev().addBack().remove(); // report broken
  $('#iframe-container h3').remove(); // info
  $('#slide-panel').remove(); // slide for links
  $('div.navbar.navbar-fixed-bottom').remove(); // bottom nav
  $('#links-table td').has('.fa-user').remove(); // uploader
  $('#links-table div').find('.up,.down').remove(); // rate
  $('#version-switch').remove(); // theme switcher
  $('a.more-less').remove(); // more less episodes
  $('#tools').remove();
  $('#cookies').remove();
});