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Javascript Basic
Quiz 1
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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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