How does JavaScript handle the expression 5 + undefined?

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

A). 'apple5'

B). 10

C). 'apple10'

D). '5apple'

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 concatenate two strings in JavaScript?

A). string1.concat(string2)

B). string1 + string2

C). string1.join(string2)

D). string1.combine(string2)

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

A). '53'

B). 8

C). 53

D). '8'

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

A). 'applenull'

B). 'apple'

C). 'null'

D). 'appl'

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

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'

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

A). '53'

B). 8

C). 53

D). '8'

What is the output of 5 + NaN in JavaScript?

A). NaN

B). 5

C). '5NaN'

D). 0