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Javascript Assessment
Quiz 1
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Q.1
Which of the following does JSON.stringify not serialize?
a) Undefined values
b) Functions within an object
c) Both Undefined values and Functions within an object
d) Functions outside the object
Q.2
What is the purpose of the property PerformanceTiming.fetchStart?
a) Browser ready to fetch input
b) Browser ready to fetch document
c) Browser ready to fetch summary
d) Browser ready to fetch output
Q.3
Which of the following property is associated with the Request event?
a) requestStart
b) requestEnd
c) both requestStart and requestEnd
d) requestchange
Q.4
Which of the following API can be used to get the timing without affecting the page loading process?
a) Navigation API
b) Timing API
c) Navigation Timing API
d) Navigate API
Q.5
How many properties are there in the interface PerformanceTiming?
a) 21
b) 22
c) 23
d) 24
Q.6
How many properties are there in window.performance object?
a) 1
b) 4
c) 2
d) 3
Q.7
What is the purpose of the navigation property in the window.performance object?
a) To which page the user navigated
b) How the user navigated
c) Information about the page
d) Information of the curser
Q.8
What is the purpose of the property PerformanceTiming.navigationStart?
a) Ready to end the navigation
b) Ready to jump the navigation
c) Ready for navigation
d) Ready to changing the navigation
Q.9
How many properties does a prototype object have?
a) 6
b) 7
c) 8
d) 9
Q.10
Which of the following does not serialize the undefined values or objects within an object?
a) JSON.string
b) JSON
c) JSON.stringify
d) JSON.change()
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