napi_instanceof
napi_status napi_instanceof(napi_env env,
napi_value object,
napi_value constructor,
bool* result)
-
[in] env
:调用 API 的环境。¥
[in] env
: The environment that the API is invoked under. -
[in] object
:要检查的 JavaScript 值。¥
[in] object
: The JavaScript value to check. -
[in] constructor
:要检查的构造函数的 JavaScript 函数对象。¥
[in] constructor
: The JavaScript function object of the constructor function to check against. -
[out] result
:如果object instanceof constructor
为 true,则设置为 true 的布尔值。¥
[out] result
: Boolean that is set to true ifobject instanceof constructor
is true.
如果 API 成功,则返回 napi_ok
。
¥Returns napi_ok
if the API succeeded.
此 API 代表在 ECMAScript 语言规范的 第 12.10.4 节 中定义的对象上调用 instanceof
运算符。
¥This API represents invoking the instanceof
Operator on the object as
defined in Section 12.10.4 of the ECMAScript Language Specification.