179       this.id = this.options.id || Popcorn.guid( nodeName );
182       if ( Popcorn.byId( this.id ) ) {
183         throw new Error( "Popcorn.js Error: Cannot use duplicate ID (" + this.id + ")" );
386       if ( instances[ i ].id === str ) {
664     exec: function( id, time, fn ) {  argument
674         sec = Popcorn.util.toSeconds( id );
680         id = sec;
687       if ( typeof id === "number" && length === 2 ) {
689         time = id;
690         id = Popcorn.guid( "cue" );
703           trackEvent = this.getTrackEvent( id );
708             this.data.trackEvents.remove( id );
711             Popcorn.removeTrackEvent.ref( this, id );
717             if ( typeof id === "string" && length === 2 ) {
764         id: id,
782         options._id = options.id || options._id || Popcorn.guid( options._natives.type );
793           id: id,
1284       removeId = removeId.id;
1441       track._id = track.id || track._id || Popcorn.guid( track._natives.type );
1744     getTrackEvent: function( id ) {  argument
1745       return Popcorn.getTrackEvent.call( null, this, id );
1752     removeTrackEvent: function( id ) {  argument
1754       Popcorn.removeTrackEvent.call( null, this, id );
1884             track: Popcorn.getTrackEvent( this, options.id || options._id )
1895           track: Popcorn.getTrackEvent( this, options.id || options._id )
1943             "id: " + (options.id || options._id)
1974           options._id = options.id || options._id || Popcorn.guid( options._natives.type );
2018     Popcorn.p[ name ] = plugin[ name ] = function( id, options ) {
2026       if ( id && !options ) {
2027         options = id;
2028         id = null;
2032         trackEvent = this.getTrackEvent( id );
2037           options.id = id;
2084             this.data.trackEvents.remove( id );
2093             Popcorn.removeTrackEvent.ref( this, id );
2100 …      trackEvent._id = trackEvent.id || trackEvent._id || Popcorn.guid( trackEvent._natives.type );
2124               id: trackEvent.id,
2137               id: trackEvent.id,