1. DomName('OscillatorNode.noteOff')
  2. DocsEditable()
void noteOff(num when)

Source 

@DomName('OscillatorNode.noteOff')
@DocsEditable()
void noteOff(num when) => _blink.BlinkOscillatorNode.instance.noteOff_Callback_1_(unwrap_jso(this), when);