What is the result of typeof NaN in JavaScript?
A). number
B). NaN
C). undefined
D). string
What will be the output of typeof null in JavaScript?
A). object
B). null
C). undefined
D). string
What does typeof Math evaluate to in JavaScript?
A). math
B). object
C). number
D). undefined
How does JavaScript evaluate typeof /^regex$/ in JavaScript?
A). regexp
B). object
C). string
D). null
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
What is the output of typeof Symbol('id') in JavaScript?
A). symbol
B). object
C). string
D). null
How does JavaScript evaluate Boolean(0)?
A). 1
B). 0
C). null
D). undefined
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