How do I check my Instanceof?

Prototypes are the mechanism by which JavaScript objects inherit features from one another . In this article, we explain what a prototype is, how prototype chains work, and how a prototype for an object can be set.

The instanceof operator

The instanceof operator tests to see if the prototype property of a constructor appears anywhere in the prototype chain of an object . The return value is a boolean value.18 Şub 2022

instanceof is a binary operator used to test if an object is of a given type . The result of the operation is either true or false. It’s also known as type comparison operator because it compares the instance with type. Before casting an unknown object, the instanceof check should always be used.