Q16
What is the purpose of the property PerformanceTiming.navigationStart?
A.
Ready to end the navigation
B.
Ready to jump the navigation
C.
Ready for navigation
AnswerD.
None of the mentioned
Answer: Option C
Solution
Answer: Option C
Solution:
The PerformanceTiming.navigationStart read-only property returns an unsigned long long representing the moment, in miliseconds since the UNIX epoch, right after the prompt for unload terminates on the previous document in the same browsing context. If there is no previous document, this value will be the same as : PerformanceTiming.fetchStart.