Welcome to the Parsing, Benchmarking and Logging MCQs Page

Dive deep into the fascinating world of Parsing, Benchmarking and Logging with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Parsing, Benchmarking and Logging, a crucial aspect of JavaScript. In this section, you will encounter a diverse range of MCQs that cover various aspects of Parsing, Benchmarking and Logging, 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 Parsing, Benchmarking and Logging. 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 Parsing, Benchmarking and Logging. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Parsing, Benchmarking and Logging MCQs | Page 4 of 7

Explore more Topics under JavaScript

01

Basics of JavaScript

02

Arrays and Functions

03

Classes and Modules

04

Server Side and Client Side Scripting

05

Document Object Model and Event Handling

06

Graphics and Rendering

07

Performance Measures in JavaScript

08

Socket Programming with JavaScript

09

Invocation and Performance

10

Caching and Debugging

11

JavaScript Animation

Q31.

How many default number methods are available in JavaScript?

Discuss

Answer: (c).7

Q32.

What is an observer effect?

Observing influences outcome

Observing never influences outcome

Obversing and outcome are independent

None of the mentioned

Discuss

Answer: (a).Observing influences outcome

Q33.

Which of the following are ways to benchmark code?

Timing the code

Calculating the number of operations performed

Timing the code & Calculating the number of operations performed

None of the mentioned

Discuss

Answer: (c).Timing the code & Calculating the number of operations performed

Q34.

How to calculate the run time of a code?

Start time - End time

End time - Start time

Start time/ End time

Start time * End time

Discuss

Answer: (b).End time - Start time

Q35.

According to the workflow of a runtime logging, what happens after calculating the run time?

Display to screen

Log to server

Either Display to screen or Log to server

None of the mentioned

Discuss

Answer: (c).Either Display to screen or Log to server

Q36.

Which of the following object is used to post the data to an external process, say savePerfData?

XML

XBT

XHR

None of the mentioned

Discuss

Answer: (c).XHR

Q37.

Where does the external process save the result of the test?

Normal file

Flat file

Folder

None of the mentioned

Discuss

Answer: (b).Flat file

Q38.

Which function is used to start the time logging?

startTimeLogging()

start()

Loggingstart()

startLogging()

Discuss

Answer: (a).startTimeLogging()

Q39.

Which of the following attribute of form tag is not set by using document object in JavaScript?

Target

Enctype

Action

None of the mentioned

Discuss

Answer: (d).None of the mentioned

Q40.

What type of scooping is present in JavaScript?

Lexical

Literal

Both Lexical and Literal

None of the mentioned

Discuss

Answer: (a).Lexical

Page 4 of 7

Welcome to the Parsing, Benchmarking and Logging MCQs Page

Parsing, Benchmarking and Logging MCQs | Page 4 of 7

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

Invocation and Performance

Caching and Debugging

JavaScript Animation

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