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.

HOW_DO_WE_DEBUG_A_SCRIPT??$

A. Use of JavaScript Validator
B. Use of JavaScript Debugger
C. Use of JavaScript Validator & Debugger
D. None of the mentioned
Answer» D. None of the mentioned
2.

What_is_the_purpose_of_a_JavaScript_debugger?$

A. Correction of errors
B. Placing script execution under control
C. Correction of errors & Placing script execution under control
D. None of the mentioned
Answer» C. Correction of errors & Placing script execution under control
3.

What kind of error notifications are shown in the console window?

A. Syntax error
B. Runtime error
C. Both Syntax error and Runtime error
D. None of the mentioned
Answer» D. None of the mentioned
4.

What is the other way of calling the Error Console in Firefox?

A. Error Window
B. JavaScript Console
C. JavaScript Window
D. All of the mentioned
Answer» C. JavaScript Window
5.

What is the procedure to view the console in the Firefox?

A. Tools->Error Console
B. Tools->Error Window
C. Help->Error Console
D. None of the mentioned
Answer» B. Tools->Error Window
6.

Which of the following is the window that the Firefox sends the error messages to?

A. Bug Window
B. Error Issues
C. Error Window
D. Error Console
Answer» E.
7.

Where is the error icon option available?

A. Tools
B. Help
C. File
D. Edit
Answer» B. Help
8.

Where is the error icon shown in the Internet Explorer?

A. Taskbar
B. Status bar
C. Both Taskbar and Status bar
D. None of the mentioned
Answer» C. Both Taskbar and Status bar
9.

Which of the following is the definition for debugging?

A. Finding bugs
B. Fixing bugs
C. Both Finding & Fixing bugs
D. None of the mentioned
Answer» D. None of the mentioned
10.

What is it called when we make a mistake in the script?

A. Error
B. Bug
C. Mistake
D. All of the mentioned
Answer» C. Mistake