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
How does JavaScript evaluate typeof 'Hello'?
A). string
B). object
C). undefined
D). null
What does typeof window.evaluate evaluate to in JavaScript?
A). function
B). object
C). string
D). undefined
What is the output of typeof Symbol('id') in JavaScript?
A). symbol
B). object
C). string
D). null
What does typeof new Date() evaluate to in JavaScript?
A). date
B). object
C). string
D). null
How does the instanceof operator behave with primitive values in JavaScript?
A). Throws an error
B). Returns true for all primitive values
C). Returns false for all primitive values
D). Primitive values cannot be used with instanceof
How does the typeof operator handle arrays in JavaScript?
A). array
B). object
C). undefined
D). null
What does Number('123') return in JavaScript?
A). 123
B). '123'
C). NaN
D). 1
What does typeof Math evaluate to in JavaScript?
A). math
B). object
C). number
D). undefined