Supreme Jquery Test - 77+ MCQs: jQuery test: Evaluate Your Knowledge with jQuery Questions and Answers

1. What is the purpose of the jQuery `slideDown()` method?

It slides an element up

It slides an element down

It fades an element out

It fades an element in

2. How do you select all elements that do not have a specific class in jQuery?

:not(.classname)

:without(.classname)

:exclude(.classname)

:hasNoClass(.classname)

3. What is the purpose of the jQuery `wrap()` method?

To add a new parent element around each selected element

To remove the parent element of each selected element

To wrap each selected element with a new element

To unwrap each selected element from its parent

4. Which jQuery method is used to stop all animations on the matched elements?

.stop()

.haltAnimations()

.endAnimations()

.pauseAnimations()

5. How can you select all elements with the class 'example' in jQuery?

$('.example')

#example

selectClass('example')

find('.example')

6. In jQuery, what does the `prop()` method do?

It retrieves the value of a property for the first element in the set of matched elements

It sets the value of a property for all elements in the set of matched elements

It removes a property from an element

It adds a new property to an element

7. In jQuery, what is the purpose of the `Deferred` object?

It represents a sequence of asynchronous operations

It delays the execution of functions in the queue

It dynamically creates elements and adds them to the DOM

It animates multiple properties simultaneously

8. What is the purpose of the jQuery `slideUp()` method?

To make an element visible

To gradually change the opacity of an element to 0

To slide an element up

To hide an element using CSS

9. Which jQuery method is used to execute a function for each element in the set of matched elements, but in reverse order?

.forEachReverse()

.eachReverse()

.reverseEach()

.executeReverse()

10. How can you dynamically create elements and add them to the DOM using jQuery?

.create()

.newElement()

.addElement()

$('<element>')

11. What event handler is used to execute a function when the document is fully loaded?

.onLoad()

.ready()

.load()

.init()

12. Which jQuery method is used to perform an animation with a callback function?

.animate()

.startAnimation()

.playAnimation()

.runAnimation()

13. What does the jQuery `detach()` method do?

It detaches the selected element from the DOM

It removes all child nodes of the selected element

It detaches all matched elements from the DOM

It removes the selected element and its descendants

14. Which jQuery method is used to set the HTML content of an element?

.html()

.text()

.setContent()

.modifyHTML()

15. Which jQuery method is used to delay the execution of functions in the queue?

.wait()

.delay()

.pause()

.timeout()

16. What is the purpose of the jQuery `map()` method?

To add elements to an array based on a mapping function

To modify the elements of an array based on a mapping function

To remove elements from an array based on a mapping function

To find the index of an element in an array

17. Which jQuery method is used to create a new element?

.create()

.newElement()

.addElement()

$('<element>')

18. Which jQuery method is used to add a click event handler to an element?

.attachClick()

.bind('click')

.on('click')

.clickHandler()

19. What is the purpose of the jQuery `fadeOut()` method?

To make an element visible

To gradually change the opacity of an element to 0

To append an element to the DOM

To hide an element using CSS

20. How do you select all elements with the attribute 'data-role' in jQuery?

$('[data-role]')

$('.data-role')

$('#data-role')

selectByAttribute('data-role')

jQuery MCQ Test 4