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MIDIOutputMap

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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.

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
MIDIOutputMap
43
79
100
97-100
No
30
No
43
43
No
30
No
4.0
entries
43
79
100
97-100
No
30
No
43
43
No
30
No
4.0
forEach
43
79
100
97-100
No
30
No
43
43
No
30
No
4.0
get
43
79
100
97-100
No
30
No
43
43
No
30
No
4.0
has
43
79
100
97-100
No
30
No
43
43
No
30
No
4.0
keys
43
79
100
97-100
No
30
No
43
43
No
30
No
4.0
size
43
79
100
97-100
No
30
No
43
43
No
30
No
4.0
values
43
79
100
97-100
No
30
No
43
43
No
30
No
4.0

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/MIDIOutputMap