必须使用 PerformanceResourceTiming 对象作为接收者调用此属性 getter。
PerformanceResourceTiming
新增于: v18.2.0, v16.17.0
接收到最后一个重定向响应的最后一个字节后立即创建的高解析度毫秒时间戳。
¥The high resolution millisecond timestamp that will be created immediately after receiving the last byte of the response of the last redirect.