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

Answer & Solution

Answer: Option B
Solution:
Number(string) converts the string to a number, allowing for numeric addition with number.
Related Questions on Average

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

A). 'apple5'

B). 10

C). 'apple10'

D). '5apple'

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

A). '53'

B). 8

C). 53

D). '8'

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()

What is the result of 5 + 3 in JavaScript?

A). 8

B). 53

C). '8'

D). 15

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

A). '53'

B). 8

C). 53

D). '8'

What is the result of '5' + true in JavaScript?

A). '5true'

B). '6'

C). 6

D). 'true5'

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

A). 'applenull'

B). 'apple'

C). 'null'

D). 'appl'

How does JavaScript handle the expression 5 + undefined?

A). Converts undefined to NaN and returns NaN

B). Converts 5 to a string and concatenates

C). Throws an error

D). Converts 5 to undefined and returns undefined

What is the result of '5' + '3' + 2 in JavaScript?

A). '532'

B). '8'

C). '5'

D). '53'

What is the result of 5 + null in JavaScript?

A). 5

B). null

C). 0

D). '5'