How does JavaScript handle the expression 5 + undefined?

How do you concatenate two strings in JavaScript?

A). string1.concat(string2)

B). string1 + string2

C). string1.join(string2)

D). string1.combine(string2)

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 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'

How do you convert a string to a number in JavaScript using the + operator?

A).

B).

C). *string

D). /string

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 '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'