Invocation of the Performance Object MCQ

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• How many properties are associated with the Response event?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• Which of the following is an interface?
  ক

  Time

  খ

  Timing

  গ

  Performance

  ঘ

  PerformanceTiming
• Which of the following is a read-only property?
  ক

  PerformanceTiming.navigationStart

  খ

  PerformanceTiming.fetchStart

  গ

  PerformanceTiming.navigationStart & PerformanceTiming.fetchStart

  ঘ

  PerformanceTiming.responseStart
• What does the method Performance.now() return?
  ক

  DOMTimeStamp

  খ

  DOMHighResTimeStamp

  গ

  DOM\Stamp

  ঘ

  TimeStamp
• Which of the following property is associated with the Processing event?
  ক

  domComplete

  খ

  domContentLoaded

  গ

  domInteractive

  ঘ

  domload
• Which of the following computation is correct to calculate the time taken for page load once the page is received from the server?
  ক

  responseEnd-loadEventEnd

  খ

  loadEventEnd-responseEnd

  গ

  loadEventEnd/responseEnd

  ঘ

  responseEnd/loadEventEnd
• Which of the following property is associated with the Response event?
  ক

  responseStart

  খ

  responseEnd

  গ

  both responseStart and responseEnd

  ঘ

  responsiveStart
• What is the purpose of the timing property in the window.performance object?
  ক

  Time of navigation event

  খ

  Time of page load event

  গ

  Time of navigation and page load event

  ঘ

  Time of scrolling
• Which of the following property gives access to the JavaScript memory usage data?
  ক

  performance.memory

  খ

  memory(performance)

  গ

  performance(memory)

  ঘ

  performance()