Reflect

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2016.

Reflect es un objecto incorporado que proporciona metodos para interceptar operaciones de javascript. Los métodos son los mismos que los de proxy handlers. Reflect no es un objeto de funciones y por lo tanto no puede ser construido.

Descripción

A diferencia de la mayoria de los objetos globales, Reflect no es un constructor. No puede ser instanciado con un operador new o invocando el objecto Reflect como una función. Todas las propiedades y métodos de Reflect son estáticos (igual que los del objeto Math).

Métodos

El objeto Reflect proporciona las siguientes funciones estáticas con los mismos nombres de los métodos de proxy handler. Algunos de estos métodos son correspondientes a los métodos de Object.

Reflect.apply()

Calls a target function with arguments as specified by the args parameter. See also Function.prototype.apply().

Reflect.construct()

The new operator as a function. Equivalent to calling new target(...args).

Reflect.defineProperty()

Similar to Object.defineProperty(). Returns a Boolean.

Reflect.deleteProperty()

The delete operator as a function. Equivalent to calling delete target[name].

Reflect.get()

A function that returns the value of properties.

Reflect.getOwnPropertyDescriptor()

Similar to Object.getOwnPropertyDescriptor(). Returns a property descriptor of the given property if it exists on the object, undefined otherwise.

Reflect.getPrototypeOf()

Same as Object.getPrototypeOf().

Reflect.has()

The in operator as function. Returns a boolean indicating whether an own or inherited property exists.

Reflect.isExtensible()

Same as Object.isExtensible().

Reflect.ownKeys()

Returns an array of the target object's own (not inherited) property keys.

Reflect.preventExtensions()

Similar to Object.preventExtensions(). Returns a Boolean.

Reflect.set()

A function that assigns values to properties. Returns a Boolean that is true if the update was successful.

Reflect.setPrototypeOf()

A function that sets the prototype of an object.

Especificaciones

Specification
ECMAScript® 2025 Language Specification
# sec-reflect-object

Compatibilidad con navegadores

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
Reflect
apply
construct
defineProperty
deleteProperty
get
getOwnPropertyDescriptor
getPrototypeOf
has
isExtensible
ownKeys
preventExtensions
set
setPrototypeOf

Legend

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Full support
Full support

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