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

A). ESLint

B). Webpack

C). Babel

D). jQuery

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

A). Backslash ()

B). Forward Slash (/)

C). Backtick (`)

D). Single Quote (')

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

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

A). split()

B). splice()

C). concat()

D). join()

What is the purpose of using comments in JavaScript?

A). To confuse other developers

B). To improve code readability

C). To hide code

D). To break the code execution

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

When breaking a long line in JavaScript, which of the following is a recommended practice?

A). Break lines randomly for variety

B). Break lines at logical points

C). Break lines only at the end of statements

D). Never break lines, keep them as is

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