新增于: v10.6.0
N-API 版本: 4
这是一个不透明的指针,表示可以通过 napi_call_threadsafe_function()
从多个线程异步调用的 JavaScript 函数。
¥This is an opaque pointer that represents a JavaScript function which can be
called asynchronously from multiple threads via
napi_call_threadsafe_function()
.