> For the complete documentation index, see [llms.txt](https://soufatn.gitbook.io/rxjs-book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://soufatn.gitbook.io/rxjs-book/summary/helpers/default_error.md).

# defaultError

Throws the specified error

## Arguments

1. `err` *(Any)*: The error to throw

## Example

```javascript
var defaultError = Rx.helpers.defaultError;

// Returns its value
defaultError(new Error('woops'))
// => Error: woops
```