What is the result of typeof undefined in JavaScript?
A). undefined
B). string
C). null
D). object
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
What is the result of Boolean('false') in JavaScript?
A). 1
B). 0
C). NaN
D). null
What does the typeof operator return for an undefined variable?
A). undefined
B). number
C). boolean
D). string
How does JavaScript evaluate typeof 'Hello'?
A). string
B). object
C). undefined
D). null
What is the output of typeof function(){} in JavaScript?
A). function
B). object
C). undefined
D). null
What does typeof window.evaluate evaluate to in JavaScript?
A). function
B). object
C). string
D). undefined
How does JavaScript evaluate typeof /^regex$/ in JavaScript?
A). regexp
B). object
C). string
D). null
What is the result of typeof NaN in JavaScript?
A). number
B). NaN
C). undefined
D). string