How do you concatenate multiple strings and a number in JavaScript?

How do you add a number and a string in JavaScript to get a string result?

A). string + number.toString()

B). string + number

C). string + Number(number)

D). number + string

What does '5' + undefined evaluate to in JavaScript?

A). '5undefined'

B). undefined

C). 'NaN'

D). '5'

What will be the output of 'apple' + null in JavaScript?

A). 'applenull'

B). 'apple'

C). 'null'

D). 'appl'

What will be the output of 5 + 3 + ' apples' in JavaScript?

A). '8 apples'

B). 8 apples

C). '5 + 3 apples'

D). '53 apples'

How do you convert a string to a number in JavaScript using the + operator?

A).

B).

C). *string

D). /string

How do you add a number and a string in JavaScript to get a numeric result?

A). parseInt(string, 10) + number

B). Number(string) + number

C). string + number

D). number + string

How do you concatenate two strings in JavaScript?

A). string1.concat(string2)

B). string1 + string2

C). string1.join(string2)

D). string1.combine(string2)

What will be the output of 5 + ' apples' + 3 in JavaScript?

A). '5 apples3'

B). '8 apples'

C). '53 apples'

D). '5 apples + 3'

What is the result of 5 + 3 in JavaScript?

A). 8

B). 53

C). '8'

D). 15

What is the result of 5 + null in JavaScript?

A). 5

B). null

C). 0

D). '5'