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doc: mention null special-case for napi_typeof #34577

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doc: mention null special-case for napi_typeof #34577

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7 changes: 6 additions & 1 deletion doc/api/n-api.md
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Expand Up @@ -3149,7 +3149,12 @@ Returns `napi_ok` if the API succeeded.

This API represents behavior similar to invoking the `typeof` Operator on
the object as defined in [Section 12.5.5][] of the ECMAScript Language
Specification. However, it has support for detecting an External value.
Specification. However, there are some differences:

1. It has support for detecting an External value.
2. It detects `null` as a separate type, while ECMAScript `typeof` would detect
`object`.

If `value` has a type that is invalid, an error is returned.

### napi_instanceof
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