Answer & Solution
Answer: Option C
Solution:
The instanceof operator returns false for all primitive values because they are not objects.
Q
How does the instanceof operator behave with primitive values in JavaScript?
Related Questions on Average
What is the result of typeof NaN in JavaScript?
A). number
B). NaN
C). undefined
D). string
What does Number('123') return in JavaScript?
A). 123
B). '123'
C). NaN
D). 1
How does JavaScript evaluate Boolean(0)?
A). 1
B). 0
C). null
D). undefined
What will be the output of [] instanceof Array in JavaScript?
A). 1
B). 0
C). null
D). undefined
What will be the output of typeof {} in JavaScript?
A). object
B). array
C). null
D). undefined
What does typeof window.evaluate evaluate to in JavaScript?
A). function
B). object
C). string
D). undefined
What does typeof true evaluate to in JavaScript?
A). boolean
B). number
C). string
D). undefined
How does JavaScript evaluate typeof /^regex$/ in JavaScript?
A). regexp
B). object
C). string
D). null
How does the typeof operator handle arrays in JavaScript?
A). array
B). object
C). undefined
D). null
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.