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

Answer & Solution

Answer: Option C
Solution:
Related Questions on Average

What happens if you mix single-line and multi-line comments incorrectly in JavaScript?

A). It will cause the code to execute twice

B). It will result in a syntax error

C). It will create a new comment type called hybrid comments

D). It will disable all comments in the code block

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

How can comments be used to document disabled code segments effectively in JavaScript?

A). By leaving the code as-is without any comments or explanations

B). By adding brief comments explaining why the code is disabled

C). By adding lengthy explanations and detailed notes about each disabled code segment

D). By replacing the code with a placeholder string

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

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

How can comments be used effectively to prevent execution without altering the code structure in JavaScript?

A). By using comments to add complexity to the code structure

B). By adding comments at the beginning and end of the code block

C). By wrapping the code block in multi-line comments and leaving a clear explanation

D). By replacing the code with a placeholder string

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

How can developers maintain code readability when using comments to prevent execution in JavaScript?

A). By using cryptic comments that only developers can understand

B). By adding extensive comments that explain every line of code

C). By using single-line comments to disable code segments and avoid multi-line comments

D). By removing all comments from the code

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 /* */

What is the primary advantage of using comments to prevent execution compared to deleting code temporarily?

A). Comments allow developers to execute the code by toggling a flag

B). Comments provide a way to document why the code is disabled and can be re-enabled easily

C). Comments make the code more complex and difficult to understand

D). Comments improve code execution speed