1. @DomName('AudioContext.createBiquadFilter')
  2. @DocsEditable()
BiquadFilterNode createBiquadFilter()

Source 

@DomName('AudioContext.createBiquadFilter')
@DocsEditable()
BiquadFilterNode createBiquadFilter() =>
    _blink.BlinkAudioContext.instance.createBiquadFilter_Callback_0_(this);