How does JavaScript evaluate typeof 'Hello'?
A). string
B). object
C). undefined
D). null
What does Number('123') return in JavaScript?
A). 123
B). '123'
C). NaN
D). 1
How does the instanceof operator work in JavaScript?
A). Checks if an object has a specific prototype in its prototype chain.
B). Checks if two variables are of the same type.
C). Checks if a variable is null.
D). Checks if a variable is undefined.
How does JavaScript evaluate Boolean(0)?
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
What will be the output of [] instanceof Array in JavaScript?
A). 1
B). 0
C). null
D). undefined
What does typeof Math evaluate to in JavaScript?
A). math
B). object
C). number
D). undefined
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