JavaScript (ES2026) reference · Object Methods

JavaScript Object.create() Method

Create a new object with the given prototype (or null for an object with no inherited properties at all).

JavaScript (ES2026) Since ES5

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Syntax

Object.create(proto, propertiesObject)

Parameters

Parameter	Description
`proto`	The prototype for the new object, or `null`.
`propertiesObject` optional	Property descriptors to add.

Return value

A new object.

Examples

Set the prototypeTry it yourself

const animal = { speak() { return `${this.name} makes a sound`; } };
const dog = Object.create(animal);
dog.name = "Rex";
console.log(dog.speak(), Object.getPrototypeOf(dog) === animal);

Output

Rex makes a sound true

A truly empty dictionaryTry it yourself

const dict = Object.create(null);
dict.toString = "just data";
console.log("hasOwnProperty" in dict, dict.toString);