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Welcome to the Document Object Model and Event Handling MCQs Page

Dive deep into the fascinating world of Document Object Model and Event Handling with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Document Object Model and Event Handling, a crucial aspect of JavaScript. In this section, you will encounter a diverse range of MCQs that cover various aspects of Document Object Model and Event Handling, 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.

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Check out the MCQs below to embark on an enriching journey through Document Object Model and Event Handling. 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 Document Object Model and Event Handling. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Document Object Model and Event Handling MCQs | Page 9 of 18

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Q81.
When are the mouse events generated?

a.

When user clicks the mouse over a document

b.

When user moves over a document

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (a).When user clicks the mouse over a document
Q82.
The properties that specify the position and button state of the mouse are

a.

clientX and clientY

b.

clientY and clientX

c.

altKey and ctrlKey

d.

metaKey and shiftKey

Discuss
Answer: (a).clientX and clientY
Q83.
Which of the following keys are set to true when the keyboard modifier keys are held down?

a.

altKey

b.

ctrlKey

c.

metaKey

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q84.
How to detect and respond to mouse drags?

a.

Registering a mouseover handler

b.

Releasing a mousedown handler

c.

Registering a mousedown handler

d.

None of the mentioned

Discuss
Answer: (c).Registering a mousedown handler
Q85.
When is the mouseover event fired?

a.

When mouse is moved over a new element

b.

When mouse is clicked

c.

When mouse is both moved and clicked

d.

None of the mentioned

Discuss
Answer: (a).When mouse is moved over a new element
Q86.
When is the mouseout event fired?

a.

When mouse is no longer over an element

b.

When mouse is over an element

c.

When mouse is hovered

d.

None of the mentioned

Discuss
Answer: (a).When mouse is no longer over an element
Q87.
The focus and blur events are also part of

a.

Element events

b.

Handler events

c.

Window events

d.

Scroll events

Discuss
Answer: (c).Window events
Q88.
The element that can also register handlers for load and error events is

a.

html

b.

img

c.

body

d.

form

Discuss
Answer: (b).img
Q89.
The events that is emulated by the jQuery library are

a.

focusarea and focusover

b.

focusall and focusnone

c.

focusdown and focusup

d.

focusin and focusout

Discuss
Answer: (b).focusall and focusnone
Q90.
Which event is triggered sooner when the document and its elements are ready to manipulate?

a.

DOMContentLoaded

b.

readystatechange

c.

Both DOMContentLoaded & readystatechange

d.

None of the mentioned

Discuss
Answer: (c).Both DOMContentLoaded & readystatechange
Page 9 of 18

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