function SeekBar(player, options) {
    classCallCheck(this, SeekBar);

    var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));

    _this.update = throttle(bind(_this, _this.update), 50);
    _this.on(player, ['timeupdate', 'ended'], _this.update);
    return _this;
  }