The close() method of the MessagePort interface disconnects the port, so it is no longer active. This stops the flow of messages to that port.

API Channel messaging close MessagePort Method Reference

The close() method of the Notification interface is used to close a previously displayed notification.

API close DOM Method Notifications Reference

close Experimental Method Reference RTCDataChannel WebRTC

close Experimental Method Reference RTCPeerConnection WebRTC

The close() method of the AudioContext Interface closes the audio context, releasing any system audio resources that it uses.

API AudioContext close Media Method Reference Référence Web Audio API

The connection is not actually closed until all transactions created using this connection are complete. No new transactions can be created for this connection once this method is called. Methods that create transactions throw an exception if a closing operation is pending.

API close Database IDBDatabase IndexedDB Method Reference Référence Storage storage

The MediaKeySession.close() method notifies that the current media session is no longer needed, and that the content decryption module should release any resources associated with this object and close it. Then, it returns a Promise.

API close EncryptedMediaExtensions Experimental MediaKeySession Method NeedsExample Reference

The close() method of the MozNFCTag interface closes a current NFC Tag session.

API close Firefox OS Method MozNFCTag NFC NFCTag Reference

The close() method of the WorkerGlobalScope interface discards any tasks queued in the WorkerGlobalScope's event loop, effectively closing this particular scope.

API close Method Reference Référence Web Workers WorkerGlobalScope

The close() method of the DataStoreCursor interface makes a request to terminate the cursor.

API close Data Store Data Store API Database DataStoreCursor Method Reference Référence Storage storage