Explore topic-wise MCQs in Javascript.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.

1.

WHEN_DOES_ONE_USE_THE_EVENT_READY??$

A. Before loading
B. During loading
C. After loading
D. None of the mentioned
Answer» D. None of the mentioned
2.

When_does_one_use_the_method_startOverlays()?$

A. Edit ad request
B. Delete ad request
C. Create ad request
D. None of the mentioned
Answer» D. None of the mentioned
3.

What is the purpose of the event disconnectionEvent?

A. Player demands for disconnection
B. Player disconnects from the channel
C. There is no user interaction
D. None of the mentioned
Answer» C. There is no user interaction
4.

What is the purpose of the event onAirEvent?

A. Content is played
B. Content is transferred
C. Both Content is played and transferred
D. None of the mentioned
Answer» B. Content is transferred
5.

What is the necessity to have API?

A. Guide to performing activities
B. Describe particular task
C. Both performing activities and Describe particular task
D. None of the mentioned
Answer» C. Both performing activities and Describe particular task
6.

Which of the following ensures additional interactivity mechanism?

A. WAI ARIA
B. Geolocation API
C. Object API
D. None of the mentioned
Answer» B. Geolocation API
7.

Which API makes the user’s current location available to browser-based application?$

A. Java API
B. SDL API
C. Object API
D. Geolocation API
Answer» E.
8.

What is the purpose of XMLHttpRequest?

A. Multiple loading
B. Load content by loading new document
C. Load content without loading new document
D. None of the mentioned
Answer» D. None of the mentioned
9.

What is the significance of scripting?

A. Convenient
B. Dynamic
C. Reachable
D. All of the mentioned
Answer» C. Reachable
10.

Which program code doesn’t need preprocessing before being run?

A. Text
B. Script
C. Both Text and Script
D. None of the mentioned
Answer» C. Both Text and Script