Answer & Solution
Answer: Option A
Solution:
The instanceof operator checks if an object is an instance of a specific object type in JavaScript.
Q
Which operator checks if an object is an instance of a specific object type in JavaScript?
Related Questions on Average
Which of the following is a primitive data type in JavaScript?
A). Object
B). Array
C). Function
D). Boolean
What is the data type of the value undefined in JavaScript?
A). Number
B). Boolean
C). String
D). Undefined
What is the result of 0 / 0 in JavaScript?
A). Infinity
B). 0
C). NaN
D). 1
Which data type represents positive infinity in JavaScript?
A). Infinity
B). Number
C). NaN
D). Null
What will be the result of typeof 'hello' in JavaScript?
A). String
B). Number
C). Undefined
D). Function
What is the data type of the value 42 in JavaScript?
A). String
B). Boolean
C). Number
D). Null
What is the data type of the value true in JavaScript?
A). Number
B). String
C). Boolean
D). Undefined
What will the following code snippet output: let a = 10; a += '5'; console.log(a); in JavaScript?
A). '105'
B). 105
C). 15
D). '15'
Which data type represents a block of reusable code in JavaScript?
A). String
B). Object
C). Function
D). Number
Which of these is a complex or reference data type in JavaScript?
A). Number
B). Boolean
C). Object
D). String