Reflect.set()
The Reflect.set() method sets the value of a property:
The Reflect.set() method is the same as using
object.property.
Example
// Create an Object
const user = {name: "Jan", age: 40};
Reflect.set(user, "age", 41);
let age = Reflect.set(user, "age");
Try it Yourself »
Same as:
user.age = 41;
Try it Yourself »
Syntax
Reflect.set(obj, prop, value [,receiver])
Parameters
| Parameter | Description |
|---|---|
| obj | Required. The target object. |
| prop | Required. The property to set. |
| value | Required. The value to set. |
| receiver | Optional. The this value (if it is a setter). |
Return Value
| Type | Description |
|---|---|
| Boolean |
true if success. false if not. |
Errors
| Type | Description |
|---|---|
| TypeError | Thrown if obj is not an object. |
Reflect Methods:
Reflect.apply()
Reflect.construct()
Reflect.defineProperty()
Reflect.deleteProperty()
Reflect.get()
Reflect.getOwnPropertyDescriptor()
Reflect.getPrototypeOf()
Reflect.has()
Reflect.isExtensible()
Reflect.ownKeys()
Reflect.preventExtensions()
Reflect.set()
Reflect.setPrototypeOf()
Browser Support
Reflect.set() is an ECMAScript6 (ES6 2015) feature.
JavaScript 2015 is supported in all browsers since June 2017:
| Chrome 51 |
Edge 15 |
Firefox 54 |
Safari 10 |
Opera 38 |
| May 2016 | Apr 2017 | Jun 2017 | Sep 2016 | Jun 2016 |
