What does the typeof operator return for an undefined variable?
A). undefined
B). number
C). boolean
D). string
What will be the output of typeof {} in JavaScript?
A). object
B). array
C). null
D). undefined
How does JavaScript evaluate typeof /^regex$/ in JavaScript?
A). regexp
B). object
C). string
D). null
What will be the output of typeof null in JavaScript?
A). object
B). null
C). undefined
D). string
What will be the output of [] instanceof Array in JavaScript?
A). 1
B). 0
C). null
D). undefined
What does typeof window.evaluate evaluate to in JavaScript?
A). function
B). object
C). string
D). undefined
How does the typeof operator handle arrays in JavaScript?
A). array
B). object
C). undefined
D). null
What is the result of typeof NaN in JavaScript?
A). number
B). NaN
C). undefined
D). string
How does JavaScript evaluate typeof 'Hello'?
A). string
B). object
C). undefined
D). null
What is the output of typeof Symbol('id') in JavaScript?
A). symbol
B). object
C). string
D). null