How do you concatenate two strings in JavaScript?

What is the result of 5 + null in JavaScript?

A). 5

B). null

C). 0

D). '5'

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'

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 is the output of 5 + NaN in JavaScript?

A). NaN

B). 5

C). '5NaN'

D). 0

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

A). 'applenull'

B). 'apple'

C). 'null'

D). 'appl'

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

A). '53'

B). 8

C). 53

D). '8'

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

A). '5undefined'

B). undefined

C). 'NaN'

D). '5'

What is the result of 5 + 3 in JavaScript?

A). 8

B). 53

C). '8'

D). 15

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

A). '5true'

B). '6'

C). 6

D). 'true5'