Q
Which character is used to concatenate strings in JavaScript?

Answer & Solution

Answer: Option b
Solution:
The plus (+) operator is used for string concatenation.
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

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 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

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

A). Backslash ()

B). Forward Slash (/)

C). Backtick (`)

D). Single Quote (')

What is the recommended maximum line length in JavaScript?

A). 80 characters

B). 100 characters

C). 120 characters

D). 150 characters

Which character is used to indicate a comment in JavaScript?

A). //

B). --

C). **

D). %%

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

A). Prettier

B). Babel

C). Webpack

D). ESLint

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

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

A). \n

B). \t

C). \r

D). \b