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

Answer & Solution

Answer: Option A
Solution:
The + operator is commonly used to concatenate strings in JavaScript.
Related Questions on Average

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 does JavaScript handle the expression 5 + '3'?

A). Converts 5 to a string and concatenates

B). Converts '3' to a number and adds

C). Throws an error

D). Converts '5' to a number and adds

What does '5' + 3 evaluate to in JavaScript?

A). '53'

B). 8

C). 53

D). '8'

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

A). 'apple5'

B). 10

C). 'apple10'

D). '5apple'

What is the output of 5 + NaN in JavaScript?

A). NaN

B). 5

C). '5NaN'

D). 0

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

A). '5 apples3'

B). '8 apples'

C). '53 apples'

D). '5 apples + 3'

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 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 before adding it to another number?

A). Number(string)

B). parseInt(string, 10)

C). string.toNumber()

D). string.convertToNumber()