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

What character sequence is used for a line break in JavaScript strings?

A). \n

B). \t

C). \r

D). \b

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 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 character is used to indicate a comment in JavaScript?

A). //

B). --

C). **

D). %%

Which operator can be used to break a long string into multiple lines in JavaScript?

A). Concatenation (+) Operator

B). Subtraction (-) Operator

C). Multiplication (*) Operator

D). Division (/) Operator

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 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

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

A). Prettier

B). Babel

C). Webpack

D). ESLint

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

A). split()

B). splice()

C). concat()

D). join()