在这个工作线程中提供了一组 JS 引擎资源约束。 如果将 resourceLimits 选项传给 Worker 构造函数,则这与其值匹配。


Provides the set of JS engine resource constraints inside this Worker thread. If the resourceLimits option was passed to the Worker constructor, this matches its values.

If this is used in the main thread, its value is an empty object.