Q
What is the purpose of using comments in JavaScript?

Answer & Solution

Answer: Option b
Solution:
Comments improve code readability by explaining code logic.
Related Questions on Average

Which character is used to concatenate strings in JavaScript?

A). Comma (,)

B). Plus (+)

C). Equals (=)

D). Colon (:)

Which of the following is NOT a technique to break long lines in JavaScript?

A). String Concatenation with Line Breaks

B). String Concatenation with Backticks

C). String Concatenation with Plus Operator

D). String Concatenation with Minus Operator

In ES6, what character is used to indicate multiline strings in template literals?

A). Backslash ()

B). Forward Slash (/)

C). Backtick (`)

D). Single Quote (')

Which of the following is a code formatting tool for JavaScript?

A). Prettier

B). Babel

C). Webpack

D). ESLint

In JavaScript, what is the purpose of maintaining consistent line lengths?

A). It reduces code performance

B). It improves code readability

C). It increases code execution time

D). It limits code functionality

What is the purpose of using meaningful variable and function names in JavaScript?

A). To confuse other developers

B). To reduce line length

C). To convey intent clearly

D). To bypass syntax rules

Which method is commonly used to join array elements into a string with line breaks?

A). split()

B). splice()

C). concat()

D). join()

How can you break a long line of code in JavaScript without using an operator?

A). Using Array Join Method

B). Using String Concatenation

C). Using Regular Expressions

D). Using String Length Property

What is the recommended maximum line length in JavaScript?

A). 80 characters

B). 100 characters

C). 120 characters

D). 150 characters

Which character is used to indicate a comment in JavaScript?

A). //

B). --

C). **

D). %%