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Javascript
Invocation And Performance Navigation
Quiz 5
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Q.1
The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is
Instance object
Constructor object
Destructor object
Prototype object
Q.2
What is the purpose of lazy loading?
Immediate loading is necessary
Loading under command
Immediate loading is not necessary
None of the mentioned
Q.3
Which of the following property is associated with the Processing event?
domComplete
domContentLoaded
domInteractive
none of the mentioned
Q.4
You can refresh the webpage in JavaScript by using
window.reload
location.reload
window.refresh
page.refresh
Q.5
Where is the external JavaScript placed in the case of lazy loading?
After window.onload event
Before window.onload event
All of the mentioned
None of the mentioned
Q.6
What are the parameters of the attachEvent function?
Function
Function, Event
Event, Function
Event
Q.7
What is the result when the showPerformanceMetrics() is called before loading the remote script?
Throws an exception
Throws an error
It will load by itself
None of the mentioned
Q.8
Which of the following is an attribute to the script object?
onclick
onload
onshow
all of the mentioned
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