The MIDIOutputMap read-only interface of the Web MIDI API provides the set of MIDI output ports that are currently available.
A MIDIOutputMap instance is a read-only Map-like object, in which each key is the ID string for MIDI output, and the associated value is the corresponding MIDIOutput object.
| Specification |
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| Web MIDI API # midiinputmap-interface |
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@@iterator |
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MIDIOutputMap |
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entries |
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forEach |
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get |
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has |
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keys |
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size |
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values |
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https://developer.mozilla.org/en-US/docs/Web/API/MIDIOutputMap