---
title: getFrequencyResponse
framework: webkitjs
role: symbol
role_heading: Instance Method
path: webkitjs/biquadfilternode/1631938-getfrequencyresponse
---

# getFrequencyResponse

## Declaration

```data
void getFrequencyResponse(
    Float32Array? frequencyHz, 
    Float32Array? magResponse, 
    Float32Array? phaseResponse
);
```