napi get value double

napi_status napi_get_value_double(napi_env env,
                                  napi_value value,
                                  double* result)

• [in] env: The environment that the API is invoked under.
• [in] value: napi_value representing JavaScript Number.
• [out] result: C double primitive equivalent of the given JavaScript Number.

Returns napi_ok if the API succeeded. If a non-number napi_value is passed in it returns napi_number_expected.

This API returns the C double primitive equivalent of the given JavaScript Number.