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

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 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()

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

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 indicate a comment in JavaScript?

A). //

B). --

C). **

D). %%

What is the recommended maximum line length in JavaScript?

A). 80 characters

B). 100 characters

C). 120 characters

D). 150 characters

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

A). ESLint

B). Webpack

C). Babel

D). jQuery

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 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