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The static Reflect
.get()
method works like getting a property from an object (target[propertyKey]
) as a function.
Syntax
Reflect.get(target, propertyKey[, receiver])
Parameters
target
- The target object on which to get the property.
propertyKey
- The name of the property to get.
- receiver
- The value of
this
provided for the call totarget
if a getter is encountered.
Return value
The value of the property.
Exceptions
A TypeError
, if target
is not an Object
.
Description
The Reflect.get
method allows you to get a property on an object. It is like the property accessor syntax as a function.
Examples
Using Reflect.get()
// Object var obj = { x: 1, y: 2 }; Reflect.get(obj, "x"); // 1 // Array Reflect.get(["zero", "one"], 1); // "one" // Proxy with a get handler var x = {p: 1}; var obj = new Proxy(x, { get(t, k, r) { return k + "bar"; } }); Reflect.get(obj, "foo"); // "foobar"
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Reflect.get' in that specification. |
Standard | Initial definition. |
ECMAScript 2017 Draft (ECMA-262) The definition of 'Reflect.get' 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 |