Reflect.getPrototypeOf()
The static Reflect.getPrototypeOf() method is the same method as Object.getPrototypeOf(). It returns the prototype (i.e. the value of the internal [[Prototype]] property) of the specified object.
Syntax
JavaScript
Copy Code
Reflect.getPrototypeOf(target)
Parameters
target- The target object of which to get the prototype.
Return value
The prototype of the given object. If there are no inherited properties, null is returned.
Exceptions
A TypeError, if target is not an Object.
Description
The Reflect.getPrototypeOf method returns the prototype (i.e. the value of the internal [[Prototype]] property) of the specified object.
Examples
Using Reflect.getPrototypeOf()
JavaScript
Copy Code
Reflect.getPrototypeOf({}); // Object.prototype
Reflect.getPrototypeOf(Object.prototype); // null
Reflect.getPrototypeOf(Object.create(null)); // null
Specifications
| Specification | Status | Comment |
|---|---|---|
| ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Reflect.getPrototypeOf' in that specification. |
Standard | Initial definition. |
| ECMAScript 2017 Draft (ECMA-262) The definition of 'Reflect.getPrototypeOf' in that specification. |
Draft |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | 49 | 42 (42) | No support | No support | No support |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | No support | 42.0 (42) | No support | No support | No support |
See also
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/javascript/reference/global_objects/reflect/getprototypeof