What does typeof Symbol('id') return?
A). symbol
B). string
C). object
D). undefined
What is the result of typeof NaN?
A). number
B). NaN
C). undefined
D). object
What is the result of typeof [1, 2, 3]?
A). array
B). object
C). list
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 is the result of typeof document.getElementById('example')?
A). element
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 null?
A). null
B). undefined
C). object
D). number
What is the result of typeof 'hello'?
A). string
B). object
C). undefined
D). number
What does typeof new RangeError('range error') return?
A). rangeerror
B). object
C). function
D). undefined