Answer & Solution
Answer: Option A
Solution:
The instanceof operator checks if an object has a specific prototype in its prototype chain.
Q
How does the instanceof operator work in JavaScript?
Related Questions on Average
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
How does JavaScript evaluate typeof 'Hello'?
A). string
B). object
C). undefined
D). null
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 typeof true evaluate to in JavaScript?
A). boolean
B). number
C). string
D). undefined
What is the result of typeof undefined in JavaScript?
A). undefined
B). string
C). null
D). object
How does JavaScript evaluate Boolean(0)?
A). 1
B). 0
C). null
D). undefined
What is the output of typeof function(){} in JavaScript?
A). function
B). object
C). undefined
D). null
What will be the output of [] instanceof Array in JavaScript?
A). 1
B). 0
C). null
D). undefined