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 character sequence is used for a line break in JavaScript strings?
A). \n
B). \t
C). \r
D). \b
Which of the following is a code formatting tool for JavaScript?
A). Prettier
B). Babel
C). Webpack
D). ESLint
Which character is used to indicate a comment in JavaScript?
A). //
B). --
C). **
D). %%
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 concatenate strings in JavaScript?
A). Comma (,)
B). Plus (+)
C). Equals (=)
D). Colon (:)
Which method is commonly used to join array elements into a string with line breaks?
A). split()
B). splice()
C). concat()
D). join()
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
In ES6, what character is used to indicate multiline strings in template literals?
A). Backslash ()
B). Forward Slash (/)
C). Backtick (`)
D). Single Quote (')