JavaScript | Reflect.get() Method

The Reflect.get() method in JavaScript is used to allow users to get the property from an object as a function. This method always returns the value of the property.
Syntax:

Reflect.get(target, propertyKey, receiver) 

Parameters: This method accept three parameters as mentioned above and described below: 

• target: This parameter is used to get the property and it is the target object.
• propertyKey: This parameter is used to get the name of the key.
• receiver: It is an optional parameter and it is the value of this provided for the call to object if a getter is encountered.

Return value: This method always returns the value of the property.
Exceptions: A TypeError is exception given as the result, when the target is not an Object.
Below examples illustrate the Reflect.get() Method in JavaScript:
Example 1:

javascript

const object = {
  val1: 1,
  val2: 2
};
console.log(Reflect.get(object, 'val1'));

const abc = {val:21};
console.log( Reflect.get ( abc, "val" ) === 21 );
console.log( Reflect.get ( abc, "x" ) === undefined );
console.log( Reflect.get ( abc, "y" ) === 21 );

const array1 = ['geeks1', 'geeks2', 'geeks3', 'geeks4'];
console.log(Reflect.get(array1, 3));

Output:

1
true
true
false
"geeks4"

Example 2:

javascript

let abc = {val: 1};

let obj1 = new Proxy(abc, {
  get(t, k, r) {
    return k + 'for'+ k
  }
})
console.log (Reflect.get(obj1, 'geeks'));

const valx = {prop:21};
const valy = Object.create (valx);
console.log (
    Reflect.get ( valy, "prop" ) === 12
);
console.log (
    Reflect.get ( valy, "prop" ) === 21
);

Output:

"geeksforgeeks"
false
true

Supported Browsers: The browsers supported by JavaScript Reflect.get() Method are listed below: 

• Google Chrome 49  and above
• Edge 12 and above
• Firefox 42 and above
• Opera 36 and above
• Safari 10 and above