<dfn>MIDIInputMap</dfn> Interface

</h3>

<pre class="idl">

readonly maplike &lt;DOMString, MIDIInput&gt;;

};

</pre>

<dfn>MIDIOutputMap</dfn> Interface

</h3>

<pre class="idl">

readonly maplike &lt;DOMString, MIDIOutput&gt;;

};

</pre>

This interface represents a MIDI input or output port.

</p>

<pre class="idl">

readonly attribute DOMString id;

readonly attribute DOMString? manufacturer;

readonly attribute DOMString? name;

<dfn>MIDIInput</dfn> Interface

</h3>

<pre class="idl">

attribute EventHandler onmidimessage;

};

</pre>

<dfn>MIDIOutput</dfn> Interface

</h3>

<pre class="idl">

undefined send(sequence&lt;octet&gt; data, optional DOMHighResTimeStamp timestamp = 0);

undefined clear();

};

high-resolution time of when the event was received or is to be sent.

</p>

<pre class="idl">

interface MIDIMessageEvent : Event {

constructor(DOMString type, optional MIDIMessageEventInit eventInitDict = {});

readonly attribute Uint8Array? data;

heavy reliance on connection events not be used.

</p>

<pre class="idl">

interface MIDIConnectionEvent : Event {

constructor(DOMString type, optional MIDIConnectionEventInit eventInitDict = {});

readonly attribute MIDIPort? port;