What is the data type of the value "Hello, World!" in JavaScript?

What is the result of the expression 10 + '5' in JavaScript?

A). 105

B). '15'

C). 15

D). '105'

Which of the following represents an object in JavaScript?

A). [1, 2, 3]

B). 42

C). {name: 'Alice', age: 30}

D). 1

Which of the following represents a null value in JavaScript?

A). undefined

B). 'null'

C). null

D). 0

What is the result of the expression 5 * '3' in JavaScript?

A). 15

B). '15'

C). Error

D). 53

What is the value of the expression !(5 > 3) in JavaScript?

A). 1

B). 0

C). Error

D). null

What is the value of the expression (10 > 5)

A).

B). (3 < 2) in JavaScript?

C). 1

D). 0

What is the result of the expression '10' + 5 in JavaScript?

A). '105'

B). 15

C). '15'

D). Error

Which of the following represents a Boolean value in JavaScript?

A). 'true'

B). '42'

C). 'null'

D). 'undefined'

What data type does the value true represent in JavaScript?

A). Number

B). String

C). Boolean

D). Object

Which of the following represents a string value in JavaScript?

A). {name: 'John', age: 30}

B). 42

C). 'Hello, World!'

D). 1