description

# allowInteropCaptureThis function Null safety

Function allowInteropCaptureThis (

1. Function f

)

Returns a wrapper around function `f` that can be called from JavaScript using `package:js` JavaScript interop, passing JavaScript `this` as the first argument.

See allowInterop.

When called from Dart, `null` will be passed as the first argument.

## Implementation

    external Function allowInteropCaptureThis(Function f);