---
title: overrideMimeType
framework: WebKit JS
role: symbol
role_heading: Instance Method
platforms: [Safari Desktop 4.0+, Safari Mobile 3.0+]
path: webkitjs/xmlhttprequest/1630533-overridemimetype
---

# overrideMimeType

## Declaration

```data
void overrideMimeType(
    DOMString override
);
```

## See Also

### WebKit JS Only

- [upload](1631575-upload.md)
- [withCredentials](1629921-withcredentials.md)
- [retrieveResponse](2871231-retrieveresponse.md)
- [UNSENT](1630628-unsent.md)
- [OPENED](1634462-opened.md)
- [HEADERS_RECEIVED](1632988-headers_received.md)
- [LOADING](1630055-loading.md)
- [DONE](1630343-done.md)