Jquery MCQs | Jquery Multiple Choice Questions and Answers

(1) When referencing an HTML element preceded by a # (pound or hash), what javascript function is this equivalent to?
[A] getElementByClassName
[B] getElementByTagName
[C] getElementById
[D] None of the above
Answer: getElementById
(2) What is the each function used for?
[A] The Each function allows you to loop through different elements with a class or ID
[B] The Each function allows you to put the word "Each" into each element
[C] The Each function allows you to loop though every element in a parent element
[D] None of the above
Answer: The Each function allows you to loop through different elements with a class or ID

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

Article and Schedule Quiz Start Test!
(3) What are the various speed options?
[A] Only the words "slow", "fast", and "medium"
[B] The words "slow" and "fast" as well as integers for the milliseconds
[C] None of the above
[D] All of the above
Answer: The words "slow" and "fast" as well as integers for the milliseconds
(4) If you want to stop your jQuery for a few milliseconds, which function do you use?
[A] delay()
[B] slowdown()
[C] pause()
[D] stop()
Answer: delay()
(5) When do you use the $(this) code?
[A] When an HTML element will reference its parent element's action
[B] When an HTML element will reference the entire document
[C] When an HTML element will reference its own action
[D] None of the above
Answer: When an HTML element will reference its own action
(6) How do you fetch the first span on the page, which has the class ‘green’?
[A] $('span.green:first')
[B] $('span, .green, :first')
[C] $('first .green span')
[D] None of the above
Answer: $('span.green:first')
(7) Which of the following is correct?
[A] jQuery is a JSON Library
[B] jQuery is a JavaScript Library
[C] None of the above
[D] All of the above
Answer: jQuery is a JavaScript Library
(8) What is the difference between .width() and .outerWidth()?
[A] The methods are basically the same. The only difference is that .width() returns a number, whereas outerWidth() a string
[B] No difference. width() is a shorthand alias for outerWidth()
[C] width() returns the computed width of the element, while outerWidth() returns the width plus all the margins and paddings
[D] None of the above
Answer: width() returns the computed width of the element, while outerWidth() returns the width plus all the margins and paddings
(9) Which function do you reference in HTML form data?
[A] val()
[B] formData()
[C] value()
[D] None of the above
Answer: val()
(10) The speed options can be applied to which jQuery functions?
[A] show and fadeIn
[B] toggleCss
[C] css and ajax
[D] All of the above
Answer: show and fadeIn
(11) You can test whether the browser supports specific features using...
[A] $.browserTest
[B] $.browser
[C] $.featureTest
[D] $.support
Answer: $.support
(12) Query.noConflict(true) is used to..
[A] Improve compatibility
[B] Remove all jQuery variables from the global scope
[C] Free up the $ symbol for use by other libraries
[D] All of the above
Answer: All of the above
(13) The method that provides AJAX functionality within jQuery is named..
[A] easyAJAX
[B] jQueryajax
[C] ajax
[D] None Of The Above
Answer: ajax
(14) You can attach a handler to an event using which method?
[A] bind
[B] eventAttach
[C] eventBind
[D] attach
Answer: bind
(15) $('#masterList').find('li') .width(500).addClass('selected'); The phenomena occuring in the above code is called?
[A] Animating
[B] AJAX
[C] Event bubbling
[D] Chaining
Answer: Chaining
(16) What is jQuery?
[A] jQuery is a library of JavaScript Functions
[B] jQuery stands for Structured Query Language
[C] jQuery stands for Cascading Style Sheets
[D] jQuery communication between computers on the Internet
Answer: jQuery is a library of JavaScript Functions
(17) Load remote data using HTTP GET
[A] $.getScript(url,callback)
[B] $.post(url,data,callback,type)
[C] $.ajax(options)
[D] $.get(url,data,callback,type)
Answer: $.get(url,data,callback,type)
(18) When referencing an HTML element preceded by a . (dot), what javascript function is this equivalent to?
[A] getElementByTagName
[B] getElementByClassName
[C] getElementById
[D] None of the above
Answer: None of the above
(19) Why do we usually add the stop() method before calling animate()?
[A] stop() ends any currently running animations on the element, and prevents conflicts and pile-ups
[B] We tell jQuery that the animation has to be stopped at some point
[C] stop() halts the execution of the scripts on the page until the animation has finished
[D] none of the above
Answer: stop() ends any currently running animations on the element, and prevents conflicts and pile-ups
(20) With jQuery, look at the following selector: $("div.intro"). What does it select?
[A] All div elements with class="intro"
[B] The first div element with id="intro"
[C] The first div element with class="intro"
[D] All div elements with id="intro"
Answer: All div elements with class="intro"

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!