What does typeof true return?
A). number
B). boolean
C). undefined
D). object
What is the result of typeof new TypeError('type error')?
A). typeerror
B). object
C). function
D). undefined
What does typeof function() {} return?
A). function
B). object
C). method
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 is the result of typeof document.getElementById('example')?
A). element
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 { name: 'John' } return?
A). object
B). array
C). function
D). undefined
What does typeof new Error('message') return?
A). error
B). object
C). function
D). undefined
What does typeof new RangeError('range error') return?
A). rangeerror
B). object
C). function
D). undefined