What does typeof true return?
A). number
B). boolean
C). undefined
D). object
What does typeof console return in a web browser environment?
A). console
B). object
C). function
D). undefined
What is the result of typeof undefined?
A). undefined
B). object
C). string
D). number
What is the result of typeof new Float64Array()?
A). float64array
B). array
C). object
D). undefined
What does typeof function() {} return?
A). function
B). object
C). method
D). undefined
What does typeof new RangeError('range error') return?
A). rangeerror
B). object
C). function
D). undefined
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 does typeof new Error('message') return?
A). error
B). object
C). function
D). undefined
What does typeof Symbol('id') return?
A). symbol
B). string
C). object
D). undefined