Twitter auto-like script for Google Chrome

auto_like.js

var sum = 0;
var count = 0;
var $counter = $('<div style="position: fixed; width: 300px; min-height: 20px; bottom: 14px; right: 14px; background: rgba(0,0,0,0.7); border-radius: 10px;"></div>');
$('body').append($counter);

var autoLike = function () {
  var i = 0;
  var time = 0;
  $('.ProfileTweet-actionButton.js-actionButton.js-actionFavorite').each(function (index, element) {
    if ($(element).is(':visible')) {
      time = i * 2000;
      i++;
      sum++;
      setTimeout(function () {
        count++;
        $counter.html('<div style="color: #fff; text-align: center; padding: 20px 0;">' + count + '/' + sum + '件いいねしました！</div>')
        $(element).click();
      }, time);
    }
  });
  setTimeout(function () {
    var $body = $('html, body');
    $body.animate({
      scrollTop: $body[0].scrollHeight
    });
    setTimeout(function () {
      autoLike();
    }, 5000);
  }, time)
};

autoLike();