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JavaScript Reflect getPrototypeOf() Method

JavaScript Reflect getPrototypeOf() Method with examples on javascript reflect methods, apply() construct(), defineProperty() method, deleteProperty(), get(), getOwnPropertyDescriptor(), getPrototypeOf(), has(), isExtensible(), ownKeys(), setPrototypeOf() etc.

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JavaScript Reflect.getPrototypeOf() Method

The static Reflect.getPrototypeOf() method is used to return the prototype of the specified object. It is same as the method Object.getProtptypeOf( ).

Syntax:

Reflect.getPrototypeOf(obj)

Parameters:

Obj: It is the target object of which to get the prototype.

Return value:

This method returns the prototype of the given object.

Exceptions:

A TypeError, if you give it an invalid target such as a Number or String literal, null or undefined.

Browser Support:

Chrome 49
Edge 12
Firefox 42
Opera 36

Example 1

// create a object with no parent
const h = Object.create (null);

console.log (
 Reflect.getPrototypeOf ( h ) === null
);

Output:

 true

Example 2

const hurry1 = {
  property1: 42
};
const hello = Reflect.getPrototypeOf(hurry1);
console.log(hello);

Output:

[object Object] { ... }

Example 3

const hurry1 = {
  property1: 42
};
const hello = Reflect.getPrototypeOf(hurry1);
console.log(Reflect.getPrototypeOf(hello));

Output:

 null
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