What is the result of typeof undefined in JavaScript?
A). undefined
B). string
C). null
D). object
What does typeof Math evaluate to in JavaScript?
A). math
B). object
C). number
D). undefined
What will be the output of [] instanceof Array in JavaScript?
A). 1
B). 0
C). null
D). undefined
How does JavaScript evaluate Boolean(0)?
A). 1
B). 0
C). null
D). undefined
What does typeof new Date() evaluate to in JavaScript?
A). date
B). object
C). string
D). null
How does the typeof operator handle arrays in JavaScript?
A). array
B). object
C). undefined
D). null
What does typeof true evaluate to in JavaScript?
A). boolean
B). number
C). string
D). undefined
What will be the output of typeof null in JavaScript?
A). object
B). null
C). undefined
D). string
What does Number('123') return in JavaScript?
A). 123
B). '123'
C). NaN
D). 1
What does the typeof operator return for an undefined variable?
A). undefined
B). number
C). boolean
D). string