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JavaScript Object create() Method

JavaScript Object create() Method with example on javascript, object, javascript assign(), create(), defineProperties(), defineProperty(), entries(), freeze(), javascript tutorial, javascript array etc.

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JavaScript Object.create() Method

The Object.create() method is used to create a new object with the specified prototype object and properties. We can create an object without a prototype by Object.creates (null).

Syntax:

Object.create(prototype[, propertiesObject])

Parameter

prototype: It is the prototype object from which a new object has to be created.

propertiesObject: It is an optional parameter. It specifies the enumerable properties to be added to the newly created object.

Return

Object.create() returns a new object with the specified prototype object and properties.

Browser Support:

Chrome Yes
Edge Yes
Firefox Yes
Opera Yes

Example 1

const people = {
  printIntroduction: function ()
   {
    console.log(`My name is ${this.name}. Am I human? ${this.isHuman}`);
  }
};
const me = Object.create(people);
me.name = "Marry"; // "name" is a property set on "me", but not on "person"
me.isHuman = true; // inherited properties can be overwritten
me.printIntroduction();

Output:

"My name Marry. Am I human? true"

Example 2

function fruits() {
        this.name = 'franco';
        }
       function fun() {
        fruits.call(this)
 }

        fun.prototype = Object.create(fruits.prototype);
        const app = new fun();
        console.log(app.name);

Output:

"franco"

Example 3

function fruits() {
        this.name = 'fruit';
        this.season = 'Winter';
        }

        function apple() {
        fruits.call(this);
        }

        apple.prototype = Object.create(fruits.prototype);
        const app = new apple();
        console.log(app.name,app.season);
        console.log(app.season);

Output:

"fruit"
 "Winter"
"Winter"

Next TopicJavaScript Objects




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