Explore topic-wise MCQs in Javascript.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.

1.

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
Answer» C. focusdown and focusup
2.

Which event is triggered sooner when the document and its elements are ready to manipulate?$

A. DOMContentLoaded
B. readystatechange
C. Both DOMContentLoaded & readystatechange
D. Statechange
Answer» D. Statechange
3.

The focus and blur events are also part of

A. Element events
B. Handler events
C. Window events
D. Scroll events
Answer» D. Scroll events
4.

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. When mouse is released
Answer» B. When mouse is clicked
5.

How to detect and respond to mouse drags?

A. Registering a mouseover handler
B. Releasing a mousedown handler
C. Registering a mousedown handler
D. Releasing a mouseover handler
Answer» D. Releasing a mouseover handler
6.

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
Answer» E.
7.

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
Answer» B. clientY and clientX
8.

When are the mouse events generated?

A. When user clicks the mouse over a document
B. When user moves over a document
C. On pressing a key
D. When user clicks or moves the mouse over a document
Answer» E.