Q
Which character is used to indicate a comment in JavaScript?

Answer & Solution

Answer: Option a
Solution:
// is used to indicate single-line comments in JavaScript.
Related Questions on Average

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

A). Backslash ()

B). Forward Slash (/)

C). Backtick (`)

D). Single Quote (')

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

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

What is the recommended maximum line length in JavaScript?

A). 80 characters

B). 100 characters

C). 120 characters

D). 150 characters

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

A). split()

B). splice()

C). concat()

D). join()

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

A). ESLint

B). Webpack

C). Babel

D). jQuery

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 of the following is a code formatting tool for JavaScript?

A). Prettier

B). Babel

C). Webpack

D). ESLint

Which character is used to concatenate strings in JavaScript?

A). Comma (,)

B). Plus (+)

C). Equals (=)

D). Colon (:)

Which character is used to indicate a comment in JavaScript?

A). //

B). --

C). **

D). %%