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Performance:timing 屬性

Deprecated

Avoid using this feature in new projects. This feature is supserseded by the PerformanceNavigationTiming API. This feature may be a candidate for removal from web standards or browsers.

Consider using the following features instead: PerformanceNavigation timing.

遺留的 Performance.timing 唯讀屬性傳回一個包含了效能與時間延遲相關的資訊的 PerformanceTiming 物件。

該屬性在 worker 中不可用。

警告:這個屬性在 Navigation Timing 第 2 版​​規範中被棄用。請改用 PerformanceNavigationTiming 介面。