How does JavaScript evaluate Boolean(0)?
A). 1
B). 0
C). null
D). undefined
What is the result of typeof undefined in JavaScript?
A). undefined
B). string
C). null
D). object
What will be the output of typeof {} in JavaScript?
A). object
B). array
C). null
D). undefined
What is the result of Boolean('false') in JavaScript?
A). 1
B). 0
C). NaN
D). null
What will be the output of typeof null in JavaScript?
A). object
B). null
C). undefined
D). string
What does the typeof operator return for an undefined variable?
A). undefined
B). number
C). boolean
D). string
What does typeof window.evaluate evaluate to in JavaScript?
A). function
B). object
C). string
D). undefined
What is the output of typeof function(){} in JavaScript?
A). function
B). object
C). undefined
D). null
What does Number('123') return in JavaScript?
A). 123
B). '123'
C). NaN
D). 1
What is the result of typeof NaN in JavaScript?
A). number
B). NaN
C). undefined
D). string