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What does the method Performance.now() return?

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What does the method Performance.now() return? (a) DOMTimeStamp (b) DOMHighResTimeStamp (c) DOM\Stamp (d) TimeStamp I got this question in an online quiz. The origin of the question is Invocation of the Performance Object topic in chapter Invocation and Performance Navigation of JavaScript Select the correct answer from above options JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

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The correct choice is (b) DOMHighResTimeStamp The best I can explain: The Performance.now() method returns a DOMHighResTimeStamp, measured in milliseconds, accurate to one thousandth of a millisecond equal to the number of milliseconds since the PerformanceTiming.navigationStart property and the call to the method. The returned value represents the time elapsed since the time origin.

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