Question 1 : What are the parameters of the attachEvent function?
1. Function
2. Function, Event
3. Event, Function
4. Event
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Question 2 : What is the purpose of the navigation property in the window.performance object?
1. To which page the user navigated
2. How the user navigated
3. Information about the page
4. Information of the curser
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Question 3 : Which of the following gets converted to DOM elements by the rendering engine?
1. Tokens
2. Strings
3. Address
4. Characters
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Question 4 : What does the method Performance.now() return?
1. DOMTimeStamp
2. DOMHighResTimeStamp
3. DOM\Stamp
4. TimeStamp
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Question 5 : What is a heap in JavaScript?
1. Collection of Java objects
2. Collection of JavaScript objects
3. Collection of memory usage values
4. Collection of data stored in memory
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Question 6 : Which of the following property indicate the total size of the heap?
1. heapSize
2. totalHeapSize
3. totalJsHeapSize
4. totalHeap
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Question 7 : What is the solution to the absence of a script tag without an src attribute?
1. Resend the scripts
2. Create inline JavaScript
3. Attach a javascript file
4. Include a file
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Question 8 : How many properties does a prototype object have?
1. 6
2. 7
3. 8
4. 9
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Question 9 : What is the method to create a data frame?
1. frame(data)
2. frameData()
3. data.frame()
4. frame.Data()
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Question 10 : Which of the following computation is correct to calculate the time taken for page load once the page is received from the server?
1. responseEnd-loadEventEnd
2. loadEventEnd-responseEnd
3. loadEventEnd/responseEnd
4. responseEnd/loadEventEnd
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