A. Both a and b are equal in value, type and reference address
B. Both a and b are equal in value
C. Both a and b are equal in value and type
D. None of these

Solution

C. Both a and b are equal in value and type

Explanation

In JavaScript, the === operator is a strict equality operator. It is used to compare two values for equality, both in terms of value and data type. If the values being compared are of the same type and have the same value, the expression evaluates to true. Otherwise, it evaluates to false.