ERRR  FontFaceSet: NoInterfaceObject in right, but not in left
ERRR  FontFaceSetLoadEvent: NoInterfaceObject in right, but not in left
ERRR  SpeechSynthesisVoice: NoInterfaceObject in right, but not in left
ERRR  SpeechRecognitionError: NoInterfaceObject in right, but not in left
ERRR  SpeechRecognitionAlternative: NoInterfaceObject in right, but not in left
ERRR  SpeechRecognitionResult: NoInterfaceObject in right, but not in left
ERRR  SpeechRecognitionResultList: NoInterfaceObject in right, but not in left
ERRR  SpeechRecognitionEvent: NoInterfaceObject in right, but not in left
ERRR  SpeechGrammar: NoInterfaceObject in right, but not in left
ERRR  SpeechGrammarList: NoInterfaceObject in right, but not in left
ERRR  SpeechSynthesis: NoInterfaceObject in right, but not in left
ERRR  SpeechRecognition: NoInterfaceObject in right, but not in left
ERRR  ArrayBufferView: NoInterfaceObject in right, but not in left
ERRR  StorageInfo: NoInterfaceObject in right, but not in left
ERRR  Animation: NoInterfaceObject in right, but not in left
ERRR  RTCDTMFSender: NoInterfaceObject in right, but not in left
ERRR  RTCDTMFToneChangeEvent: NoInterfaceObject in right, but not in left
ERRR  AudioContext: NoInterfaceObject in right, but not in left
ERRR  OfflineAudioContext: NoInterfaceObject in right, but not in left
ERRR  Bluetooth: NoInterfaceObject in right, but not in left