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jQuery Quiz Online Test Mcqs

Test Instructions
Test Name	:	jQuery MCQs
Subject	:	Computer General
Test Type	:	Mcqs
Total Question	:	25
Total Marks	:	50
Total Time	:	20 Minutes

The most widely used JavaScript library, jQuery is a open-source software that has been designed to simplfy the client-side scripting of HTML. Now you can test and also improve your general knowledge about the computer software by attempting this quiz which includes all important questions related to it.

jQuery Quiz Online Test Mcqs Questions with Answers Objective Type PDF

Question 1 of 25

Uncategorized

1. jQuery is a?

JavaScript Library

JavaScript Method

PHP Method

JavaScript Language

Question 1 of 25

Question 2 of 25

2. What scripting language is jQuery written in?

VBScript

C++

JavaScript

Question 2 of 25

Question 3 of 25

3. The jQuery html() method works for both HTML and XML documents?

True

False

Question 3 of 25

Question 4 of 25

4. Which statement best explains what "unobtrusive JavaScript" is?

JavaScript that is separate from HTML

JavaScript that doesn't annoy users

JavaScript that works even with scripting turned off

JavaScript that does not affect a web page

Question 4 of 25

Question 5 of 25

5. Which jQuery method should be used to deal with name conflicts?

NoConflict()

NameConflict()

Conflict()

NoNameConflict()

Question 5 of 25

Question 6 of 25

6. Which jQuery method is used to set one or more style properties for selected elements?

html()

None of them

style()

css()

Question 6 of 25

Question 7 of 25

7. What is the correct JavaScript syntax to write "Hello World"?

("Hello World")

document.write("Hello World")

"Hello World"

response.write("Hello World")

Question 7 of 25

Question 8 of 25

8. Which jQuery method is used to switch between adding/removing one or more classes (for CSS) from selected elements?

SwitchClass()

Switch()

AltClass()

ToggleClass()

Question 8 of 25

Question 9 of 25

9. With jQuery, look at the following selector: $("div.intro"). What does it select?

The first div element with class="intro"

All div elements with id="intro"

The first div element with id="intro"

All div elements with class="intro"

Question 9 of 25

Question 10 of 25

10. What is the correct jQuery code for making all div elements 100 pixels high?

$("div").height(100)

$("div").yPos(100)

None of them

$("div").height="100"

Question 10 of 25

Question 11 of 25

11. jQuery uses CSS selectors to select elements?

True

False

Question 11 of 25

Question 12 of 25

12. Which jQuery function is used to prevent code from running, before the document is finished loading?

$(document).ready()

$(document).load()

None of them

$(body).onload()

Question 12 of 25

Question 13 of 25

13. Is it possible to use jQuery together with AJAX?

Yes

Question 13 of 25

Question 14 of 25

14. Is jQuery a library for client scripting or server scripting?

Server scripting

Client scripting

Question 14 of 25

Question 15 of 25

15. Is jQuery a W3C standard?

Yes

Question 15 of 25

Question 16 of 25

16. Look at the following jQuery selector: $("div#intro .head"). What does it select?

All div elements with id="intro" or class="head"

The first element with id="head" inside any div element with class="intro"

All elements with class="head" inside the first div element with id="intro"

None of above

Question 16 of 25

Question 17 of 25

17. Which of these is NOT a valid comment in JavaScript?

/* This is a comment. */

/* This is a comment

// This is a comment

Question 17 of 25

Question 18 of 25

18. Which jQuery method is used to hide selected elements?

hidden()

visible(false)

display(none)

hide()

Question 18 of 25

Question 19 of 25

19. Which statement is true?

To use jQuery, you can refer to a hosted jQuery library at Google

To use jQuery, you do not have to do anything. Most browsers (Internet Explorer, Chrome, Firefox and Opera) have the jQuery library built in the browser

To use jQuery, you must buy the jQuery library at www.jquery.com

All of them

Question 19 of 25

Question 20 of 25

20. What is the correct jQuery code to set the background color of all p elements to red?

$("p").manipulate("background-color","red");

$("p").style("background-color","red");

$("p").layout("background-color","red");

$("p").css("background-color","red");

Question 20 of 25

Question 21 of 25

21. Which jQuery method is used to perform an asynchronous HTTP request?

jQuery.ajaxSetup()

None of above

jQuery.ajax()

jQuery.ajaxAsync()

Question 21 of 25

Question 22 of 25

22. In JavaScript, we can keep a reference to the context outside a function by assigning it to a variable: var self = this. In CoffeeScript, we use?

self = this printScope -> console.log self

All of the above

printScope => console.log @

printScope => console.log this

Question 22 of 25

Question 23 of 25

23. With jQuery, look at the following selector: $("div"). What does it select?

All div elements

The first div element

Question 23 of 25

Question 24 of 25

24. Which sign does jQuery use as a shortcut for jQuery?

The ? Sign

The % sign

The $ sign

Question 24 of 25

Question 25 of 25

25. How do you use JavaScript within CoffeeScript code?

You can't embed JavaScript code within CoffeeScript

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