What does typeof function() {} return?
A). function
B). object
C). method
D). undefined
What is the result of typeof undefined?
A). undefined
B). object
C). string
D). number
What is the result of typeof document.getElementById('example')?
A). element
B). object
C). function
D). undefined
What does typeof new RangeError('range error') return?
A). rangeerror
B). object
C). function
D). undefined
What does typeof new Float32Array() return?
A). float32array
B). array
C). object
D). undefined
What is the result of typeof null?
A). null
B). undefined
C). object
D). number
What does typeof document return in a web browser environment?
A). document
B). object
C). function
D). undefined
What is the result of typeof NaN?
A). number
B). NaN
C). undefined
D). object
What is the result of typeof new Float64Array()?
A). float64array
B). array
C). object
D). undefined
What does typeof Symbol('id') return?
A). symbol
B). string
C). object
D). undefined