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 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 tool can help automate code formatting, including line breaks, in JavaScript?

A). ESLint

B). Webpack

C). Babel

D). jQuery

What happens if a line break is placed inside a string without appropriate handling in JavaScript?

A). It throws a syntax error

B). It causes a runtime exception

C). It ignores the line break

D). It creates a multiline string

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

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 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

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

A). split()

B). splice()

C). concat()

D). join()

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 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