类：PerformanceObserverEntryList

【Class: PerformanceObserverEntryList】

PerformanceObserverEntryList 类用于提供对传递给 PerformanceObserver 的 PerformanceEntry 实例的访问。该类的构造函数不对用户开放。

【The PerformanceObserverEntryList class is used to provide access to the PerformanceEntry instances passed to a PerformanceObserver. The constructor of this class is not exposed to users.】