Q
What is the result of 5 + 3 in JavaScript?

Answer & Solution

Answer: Option A
Solution:
The + operator in JavaScript performs addition when used with numbers.
Related Questions on Average

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

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

A). '532'

B). '8'

C). '5'

D). '53'

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' + true in JavaScript?

A). '5true'

B). '6'

C). 6

D). 'true5'

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

A). Using the + operator

B). Using the concat() method

C). Using the join() method

D). Using the combine() method

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

A). 'apple5'

B). 10

C). 'apple10'

D). '5apple'

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

A). '5undefined'

B). undefined

C). 'NaN'

D). '5'

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

A). 'applenull'

B). 'apple'

C). 'null'

D). 'appl'