What does typeof 42 return?
A). number
B). string
C). boolean
D). undefined
What does typeof { name: 'John' } return?
A). object
B). array
C). function
D). undefined
What is the result of typeof new SyntaxError('syntax error')?
A). syntaxerror
B). object
C). function
D). undefined
What does typeof Symbol('id') return?
A). symbol
B). string
C). object
D). undefined
What does typeof document return in a web browser environment?
A). document
B). object
C). function
D). undefined
What does typeof new Error('message') return?
A). error
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 true return?
A). number
B). boolean
C). undefined
D). object
What is the result of typeof NaN?
A). number
B). NaN
C). undefined
D). object
What is the result of typeof null?
A). null
B). undefined
C). object
D). number