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How many properties are there in the interface PerformanceTiming?

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How many properties are there in the interface PerformanceTiming? (a) 21 (b) 22 (c) 23 (d) 24 The question was posed to me during an online interview. Origin of the question is Integrating the Performance Object with perfLogger 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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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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