napi_has_property
napi_status napi_has_property(napi_env env,
napi_value object,
napi_value key,
bool* result);
-
[in] env
:调用 Node-API 调用的环境。¥
[in] env
: The environment that the Node-API call is invoked under. -
[in] object
:要查询的对象。¥
[in] object
: The object to query. -
[in] key
:要检查其存在的属性的名称。¥
[in] key
: The name of the property whose existence to check. -
[out] result
:该属性是否存在于对象上。¥
[out] result
: Whether the property exists on the object or not.
如果 API 成功,则返回 napi_ok
。
¥Returns napi_ok
if the API succeeded.
此 API 检查传入的 Object
是否具有命名属性。
¥This API checks if the Object
passed in has the named property.