What will be the output of typeof null in JavaScript?
A). object
B). null
C). undefined
D). string
How does the typeof operator handle arrays in JavaScript?
A). array
B). object
C). undefined
D). null
What is the result of typeof undefined in JavaScript?
A). undefined
B). string
C). null
D). object
What is the output of typeof function(){} in JavaScript?
A). function
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 Boolean(0)?
A). 1
B). 0
C). null
D). undefined
What does Number('123') return in JavaScript?
A). 123
B). '123'
C). NaN
D). 1
How does JavaScript evaluate typeof /^regex$/ in JavaScript?
A). regexp
B). object
C). string
D). null
What is the output of typeof Symbol('id') in JavaScript?
A). symbol
B). object
C). string
D). null
What does the typeof operator return for an undefined variable?
A). undefined
B). number
C). boolean
D). string