Q.1
Which of the following property gives access to the JavaScript memory usage data?
  • a) performance.memory
  • b) memory(performance)
  • c) performance(memory)
  • d) performance()
Q.2
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) Time of scrolling
Q.3
Which of the following property is associated with the Response event?
  • a) responseStart
  • b) responseEnd
  • c) both responseStart and responseEnd
  • d) responsiveStart
Q.4
Which of the following computation is correct to calculate the time taken for page load once the page is received from the server?
  • a) responseEnd-loadEventEnd
  • b) loadEventEnd-responseEnd
  • c) loadEventEnd/responseEnd
  • d) responseEnd/loadEventEnd
Q.5
Which of the following property is associated with the Processing event?
  • a) domComplete
  • b) domContentLoaded
  • c) domInteractive
  • d) domload
Q.6
What does it indicate when the type attribute of the navigation object is set to 2?
  • a) Navigation by moving back through history
  • b) Navigation by moving forward through history
  • c) Navigation by moving back & forward through history
  • d) Navigation by moving in favorites
Q.7
Which of the following is a read-only property?
  • a) PerformanceTiming.navigationStart
  • b) PerformanceTiming.fetchStart
  • c) PerformanceTiming.navigationStart & PerformanceTiming.fetchStart
  • d) PerformanceTiming.responseStart
Q.8
Which of the following is an interface?
  • a) Time
  • b) Timing
  • c) Performance
  • d) PerformanceTiming
Q.9
How many properties are associated with the Response event?
  • a) 1
  • b) 2
  • c) 3
  • d) 4
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