1.

How many properties are there in the interface PerformanceTiming?(a) 21(b) 22(c) 23(d) 24

Answer» Correct option is (a) 21

For explanation I would say: Performance.timing read-only property returns a PerformanceTiming object containing latency-related performance information. There are a total of 23 properties associated with the interface PerformanceTiming.


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