Answer & Solution
Answer: Option A
Solution:
[] instanceof Array returns true.
Q
What will be the output of [] instanceof Array in JavaScript?
Related Questions on Average
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.
What will be the output of typeof {} in JavaScript?
A). object
B). array
C). null
D). undefined
What does the typeof operator return for an undefined variable?
A). undefined
B). number
C). boolean
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
What does typeof Math evaluate to in JavaScript?
A). math
B). object
C). number
D). undefined
What is the result of typeof undefined in JavaScript?
A). undefined
B). string
C). null
D). object
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 is the output of typeof function(){} in JavaScript?
A). function
B). object
C). undefined
D). null