Which of the following is a read-only property?
(a) PerformanceTiming.navigationStart
(b) PerformanceTiming.fetchStart
(c) PerformanceTiming.navigationStart & PerformanceTiming.fetchStart
(d) PerformanceTiming.responseStart
The question was asked in an internship interview.
My question comes from Invocation of the Performance Object in division Invocation and Performance Navigation of JavaScript
Select the correct answer from above options
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