JavaScript Reflect get() Method

by Online Tutorials Library July 22, 2022

JavaScript Reflect.get() Method

The static Reflect.get() method is used to retrieve the property from an object as a function. The first argument is the object and the second argument is the property name.

Syntax:

Parameters:

target: It is the target object on which to get the property.

propertyKey: It is the name of the key to get.

receiver: It is the value of this provided for the call to object if a getter is encountered.

Return value:

It returns the value of the property.

Exceptions:

A TypeError, if the target is not an Object.

Browser Support:

Chrome	49
Edge	12
Firefox	42
Opera	36

Example 1

  const u = {p:3};  console.log( Reflect.get ( u , “p” ) === 3 );  // if property key is not found, return undefined just like obj.key  console.log( Reflect.get ( u , “h” ) === undefined );   console.log( Reflect.get ( u , “h” ) === 3 );  

Output:

true    true    false

Example 2

  const x = {p:3};  const y = Object.create (x);  // x is parent of y  console.log (      Reflect.get ( y, “p” ) === 3    // Reflect.get will traverse the prototype chain to find property  );   

Output:

true

Example 3

  const object1 = {    x: 1,    y: 2  };  console.log(Reflect.get(object1, ‘y’));  // expected output: 1  var array1 = [‘zero’, ‘one’,’Carry’,’marry’,’charry’];  console.log(Reflect.get(array1, 4));  

Output:

 2   "charry"

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JavaScript Reflect get() Method

JavaScript Reflect.get() Method

Syntax:

Parameters:

Return value:

Exceptions:

Browser Support:

Example 1

Example 2

Example 3

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