package js.html.midi

The MIDIAccess interface of the Web MIDI API provides methods for listing MIDI input and output devices, and obtaining access to those devices.

The MIDIConnectionEvent interface of the Web MIDI API is the event passed to the onstatechange event of the MIDIAccess interface and the onstatechange event of the MIDIPorts interface. This occurs any time a new port becomes available, or when a previously available port becomes unavailable. For example, this event is fired whenever a MIDI device is either plugged in to or unplugged from a computer.

Use the MIDIInput interface of the Web MIDI API to access and pass messages to a MIDI input port.

The MIDIInputMap read-only interface of the Web MIDI API provides a Map-like interface to the currently available MIDI input ports. Though it works generally like a map, because it is read-only it does not contain clear(), delete(), or set() functions.

The MIDIOutputMap read-only interface of the Web MIDI API provides a Map-like interface to the currently available MIDI output ports. Although it works like a map, because it is read-only, it does not contain clear(), delete(), or set() functions.