namespace="EventTarget" AudioNode conditional=WEB_AUDIO AudioContext conditional=WEB_AUDIO AudioTrackList conditional=VIDEO_TRACK BatteryManager conditional=BATTERY_STATUS DedicatedWorkerGlobalScope DOMApplicationCache DOMWindow EventSource FileReader FontLoader conditional=FONT_LOAD_EVENTS IDBDatabase conditional=INDEXED_DATABASE IDBOpenDBRequest conditional=INDEXED_DATABASE IDBRequest conditional=INDEXED_DATABASE IDBTransaction conditional=INDEXED_DATABASE MediaKeySession conditional=ENCRYPTED_MEDIA_V2 MediaController conditional=VIDEO MediaRemoteControls conditional=MEDIA_SESSION MediaSource conditional=MEDIA_SOURCE MediaStream conditional=MEDIA_STREAM MediaStreamTrack conditional=MEDIA_STREAM MessagePort Node Notification conditional=NOTIFICATIONS|LEGACY_NOTIFICATIONS Performance conditional=WEB_TIMING RTCDataChannel conditional=MEDIA_STREAM RTCDTMFSender conditional=MEDIA_STREAM RTCPeerConnection conditional=MEDIA_STREAM SourceBuffer conditional=MEDIA_SOURCE SourceBufferList conditional=MEDIA_SOURCE SpeechSynthesisUtterance conditional=SPEECH_SYNTHESIS TextTrack conditional=VIDEO_TRACK TextTrackCue conditional=VIDEO_TRACK TextTrackList conditional=VIDEO_TRACK VideoTrackList conditional=VIDEO_TRACK WebKitNamedFlow WebSocket conditional=WEB_SOCKETS Worker XMLHttpRequest XMLHttpRequestUpload