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.

Which of the following action is possible in Firebug when used as a JavaScript Debugger and Profiler?

A. Pause execution in any line
B. Find Scripts easily
C. Find Scripts easily & also Pause execution in any line
D. None of the mentioned
Answer» D. None of the mentioned
2.

Which of the following property(s) has a default value as false?

A. disableWhenFirebugActive
B. showIconWhenHidden
C. disableXHRListener
D. Both disableWhenFirebugActive & showIconWhenHidden
Answer» D. Both disableWhenFirebugActive & showIconWhenHidden
3.

What is the default value of the property overrideConsole>

A. 1
B. true
C. 0
D. false
Answer» C. 0
4.

Which of the following is not a feature of the User Interface?

A. Skinnable Interface
B. Resizable Side Panel
C. Fixed Side Panel
D. Menu options
Answer» D. Menu options
5.

What are the goals for using Firebug?

A. Performance
B. Adaptability
C. Complexity
D. Reliability
Answer» B. Adaptability
6.

Why do Web Developers use Firebug?

A. Track cookies
B. Track sessions
C. Both Track cookies and sessions
D. None of the mentioned
Answer» D. None of the mentioned
7.

Firebug can be used to inspect

A. HTML
B. CSS
C. DOM
D. All of the mentioned
Answer» E.
8.

Firebug is an extension of which browser?

A. Mozilla
B. Chrome
C. IE
D. Opera
Answer» B. Chrome