Welcome to the Caching and Debugging MCQs Page

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

Caching and Debugging MCQs | Page 11 of 11

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Basics of JavaScript

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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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Invocation and Performance

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JavaScript Animation

Q101.

Which of the following has a lesser benchmark time for using JQuery to access DOM versus pure JavaScript in milliseconds?

Chrome JQueryDOM_

Chrome JSDOM_benc

Firefox JQueryDOM_

Firefox JSDOM_benc

Discuss

Answer: (d).Firefox JSDOM_benc

Q102.

Which is a wrapped Java array, accessed from within JavaScript code?

JavaArray

JavaClass

JavaObject

JavaPackage

Discuss

Answer: (a).JavaArray

Q103.

What is the syntax of close method for document object?

Close(object)

Close(doc)

Close(val)

Close()

Discuss

Answer: (d).Close()

Q104.

How do you find the number with the highest value of x and y?

ceil(x,y)

top(x,y)

Math.ceil(x,y)

Math.max(x,y)

Discuss

Answer: (d).Math.max(x,y)

Q105.

How can you find a client's browser name?

browser.name

navigator.appName

client.navName

none of the mentioned

Discuss

Answer: (b).navigator.appName

Q106.

Which of the following is not a JavaScript framework?

Rico

Prototype

Joco

DoJo

Discuss

Answer: (d).DoJo

Q107.

What is the purpose of the Math method toSource()?

Returns the string 'Math'

Sends the source to the Math Library

Returns the value of the object

None of the mentioned

Discuss

Answer: (a).Returns the string 'Math'

Q108.

How many static methods does a Date object have?

Discuss

Answer: (d).2

Q109.

Which of the following are static methods in JavaScript?

Date.parse()

Date.UTC()

Both Date.parse() and Date.UTC()

None of the mentioned

Discuss

Answer: (c).Both Date.parse() and Date.UTC()

Q110.

If we have an object r and want to know if it is a Range object, we can write:

r typeof Range

r is Range

r equals Range

r instanceof Range

Discuss

Answer: (d).r instanceof Range

Page 11 of 11

Welcome to the Caching and Debugging MCQs Page

Caching and Debugging MCQs | Page 11 of 11

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

Invocation and Performance

JavaScript Animation

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