JavaScript Object.setPrototypeOf() Method

The Object.setPrototypeOf() method sets the prototype (i.e., the internal [[Prototype]] property) of a specified object to another object or null. All JavaScript objects inherit properties and methods from a prototype. It is generally considered the proper way to set the prototype of an object.

Syntax:

Parameters:

obj: It is the object which is to have its prototype set.

Prototype: It is the object's new prototype (an object or null).

Return value:

This method returns the specified object.

Browser Support:

Example 1

Output:

 [object Object] { drive: drive() { return 'Add raay'; }, net: net() { return 'use net'; } } "use net" "Add raay" 

Example 2

Output:

"people makes" 

Example 3

Output:

[object Object] { drive: drive() { return 'driving toyota'; }, wifi: wifi() { return 'carry'; } } "carry"