Welcome to the Invocation and Performance MCQs Page

Dive deep into the fascinating world of Invocation and Performance with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Invocation and Performance, a crucial aspect of JavaScript. In this section, you will encounter a diverse range of MCQs that cover various aspects of Invocation and Performance, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within JavaScript.

Check out the MCQs below to embark on an enriching journey through Invocation and Performance. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of JavaScript.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Invocation and Performance. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Invocation and Performance MCQs | Page 2 of 9

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Basics of JavaScript

02

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Graphics and Rendering

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Performance Measures in JavaScript

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Socket Programming with JavaScript

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Parsing, Benchmarking and Logging

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Caching and Debugging

11

JavaScript Animation

Q11.

How many properties does a prototype object have?

Discuss

Answer: (b).7

Q12.

Which of the following does not serialize the undefined values or objects within an object?

JSON.string

JSON

JSON.stringify

None of the mentioned

Discuss

Answer: (c).JSON.stringify

Q13.

How many properties are there in the interface PerformanceTiming?

Discuss

Answer: (a).21

Q14.

How many properties are there in window.performance object?

Discuss

Answer: (c).2

Q15.

What is the purpose of the navigation property in the window.performance object?

To which page the user navigated

How the user navigated

All of the mentioned

None of the mentioned

Discuss

Answer: (b).How the user navigated

Q16.

What is the purpose of the property PerformanceTiming.navigationStart?

Ready to end the navigation

Ready to jump the navigation

Ready for navigation

None of the mentioned

Discuss

Answer: (c).Ready for navigation

Q17.

Which of the following does JSON.stringify not serialize?

Undefined values

Functions within an object

Both Undefined values and Functions within an object

None of the mentioned

Discuss

Answer: (c).Both Undefined values and Functions within an object

Q18.

What is the purpose of the property PerformanceTiming.fetchStart?

Browser ready to fetch input

Browser ready to fetch document

Browser ready to fetch summary

All of the mentioned

Discuss

Answer: (b).Browser ready to fetch document

Q19.

Which of the following property is associated with the Request event?

requestStart

requestEnd

both requestStart and requestEnd

none of the mentioned

Discuss

Answer: (a).requestStart

Q20.

Which of the following API can be used to get the timing without affecting the page loading process?

Navigation API

Timing API

Navigation Timing API

None of the mentioned

Discuss

Answer: (c).Navigation Timing API

Page 2 of 9

Welcome to the Invocation and Performance MCQs Page

Invocation and Performance MCQs | Page 2 of 9

Explore more Topics under JavaScript

Basics of JavaScript

Arrays and Functions

Classes and Modules

Server Side and Client Side Scripting

Document Object Model and Event Handling

Graphics and Rendering

Performance Measures in JavaScript

Socket Programming with JavaScript

Parsing, Benchmarking and Logging

Caching and Debugging

JavaScript Animation

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