How does JavaScript handle the expression 5 + undefined?

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 using the + operator?

A).

B).

C). *string

D). /string

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

A). '5true'

B). '6'

C). 6

D). 'true5'

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

A). '532'

B). '8'

C). '5'

D). '53'

What is the result of 5 + 3 in JavaScript?

A). 8

B). 53

C). '8'

D). 15

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

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 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 does '5' + undefined evaluate to in JavaScript?

A). '5undefined'

B). undefined

C). 'NaN'

D). '5'