What does typeof 42 return?
A). number
B). string
C). boolean
D). undefined
What does typeof new Error('message') return?
A). error
B). object
C). function
D). undefined
What is the result of typeof [1, 2, 3]?
A). array
B). object
C). list
D). undefined
What is the result of typeof new Float64Array()?
A). float64array
B). array
C). object
D). undefined
What is the result of typeof 'hello'?
A). string
B). object
C). undefined
D). number
What does typeof true return?
A). number
B). boolean
C). undefined
D). object
What does typeof document return in a web browser environment?
A). document
B). object
C). function
D). undefined
What is the result of typeof null?
A). null
B). undefined
C). object
D). number
What is the result of typeof document.getElementById('example')?
A). element
B). object
C). function
D). undefined
What is the result of typeof undefined?
A). undefined
B). object
C). string
D). number