What does typeof 42 return?
A). number
B). string
C). boolean
D). undefined
What is the result of typeof [1, 2, 3]?
A). array
B). object
C). list
D). undefined
What does typeof function() {} return?
A). function
B). object
C). method
D). undefined
What does typeof new Error('message') return?
A). error
B). object
C). function
D). undefined
What is the result of typeof new SyntaxError('syntax error')?
A). syntaxerror
B). object
C). function
D). undefined
What is the result of typeof window in a web browser environment?
A). window
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 does typeof true return?
A). number
B). boolean
C). undefined
D). object
What is the result of typeof new Float64Array()?
A). float64array
B). array
C). object
D). undefined
What does typeof new RangeError('range error') return?
A). rangeerror
B). object
C). function
D). undefined