Using Comments to Prevent Execution Mockest | JavaScript

1.

How can comments be used to prevent execution of code in programming languages?

A). By surrounding the code with curly braces {} B). By prefixing the code with -- C). By enclosing the code in single quotes '' D). By wrapping the code in comments /* */

Answer & Solution Discuss in Board

2.

What is the purpose of using comments to prevent execution in programming?

A). To increase code execution speed B). To improve code readability C). To disable specific code segments temporarily D). To add complexity to the code structure

Answer & Solution Discuss in Board

3.

Which type of comments is commonly used to prevent code execution temporarily?

A). Single-line comments B). Multi-line comments C). Inline comments D). Block comments

Answer & Solution Discuss in Board

4.

In JavaScript, what is the syntax for a single-line comment?

A). // This is a comment B). /* This is a comment */ C). # This is a comment D).

Answer & Solution Discuss in Board

5.

How can a developer disable a block of code using multi-line comments in JavaScript?

A). By adding a semicolon ; at the end of each line of code B). By using the disable keyword C). By wrapping the code block in /* */ D). By using the disableCode function

Answer & Solution Discuss in Board

6.

What happens if you forget to close a multi-line comment in JavaScript?

A). The code within the comment will execute as normal B). It will cause a syntax error C). The comment will extend indefinitely D). The code will be wrapped in a single-line comment

Answer & Solution Discuss in Board

7.

How can comments be leveraged during debugging to prevent the execution of specific code blocks temporarily?

A). By surrounding the code block with {} B). By commenting out the code block using // or /* */ C). By using the preventExecution keyword D). By replacing the code with a placeholder string

Answer & Solution Discuss in Board

8.

Which statement about using comments to prevent execution is accurate?

A). Comments are executed as code B). Comments are ignored by the interpreter C). Comments can contain executable code D). Comments increase code performance

Answer & Solution Discuss in Board

9.

In JavaScript, what is the purpose of using multi-line comments to prevent execution?

A). To provide detailed explanations about the code B). To execute the code block C). To improve code performance D). To increase code complexity

Answer & Solution Discuss in Board

10.

Which of the following is a valid way to prevent the execution of code in JavaScript temporarily?

A). By adding a DEBUG keyword at the end of each line of code B). By wrapping the code block with {} C). By using single-line comments // to comment out the code D). By adding the execute: false attribute to the code block

Answer & Solution Discuss in Board

Using Comments to Prevent Execution Mocktest

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

Answer & Solution

COMPANY

Products

OTHERS

Partner