What is the result when the showPerformanceMetrics() is called before loading the remote script?
A. Throws an exception
B. Throws an error
C. It will load by itself
D. None of the mentioned
Answer: Option B
Solution(By Examveda Team)
If you try to make the call to perfLogger.showPerformanceMetrics() and the script hasn’t just loaded but also executed, then you will get an error.This Question Belongs to Javascript >> Invocation And Performance Navigation
Which of the following property gives access to the JavaScript memory usage data?
A. performance.memory
B. memory(performance)
C. performance(memory)
D. none of the mentioned
What is the purpose of the timing property in the window.performance object?
A. Time of navigation event
B. Time of page load event
C. Time of navigation and page load event
D. None of the mentioned
Which of the following property is associated with the Response event?
A. responseStart
B. responseEnd
C. both responseStart and responseEnd
D. none of the mentioned
A. responseEnd-loadEventEnd
B. loadEventEnd-responseEnd
C. loadEventEnd/responseEnd
D. responseEnd/loadEventEnd
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