nl_tokens: Creates an instance of this class .
pl_tokens: function ChaptersTrackMenuItem ( player , options ) { classCallCheck ( this , ChaptersTrackMenuItem ) ; var track = options . track ; var cue = options . cue ; var currentTime = player . currentTime ( ) ; // Modify options for parent MenuItem class's init. options . selectable = true ; options . label = cue . text ; options . selected = cue . startTime <= currentTime && currentTime < cue . endTime ; var _this = possibleConstructorReturn ( this , _MenuItem . <mask> ( this , player , options ) ) ; _this . track = track ; _this . cue = cue ; track . addEventListener ( 'cuechange' , bind ( _this , _this . update ) ) ; return _this ; }