Breaking News: Grepper is joining You.com. Read the official announcement!

construct 3 javascript

Gavin Dennett answered on May 12, 2024 Popularity 1/10 Helpfulness 1/10

answer construct 3 javascript

construct 3 javascript

Comment

A constructor is a special function that creates and initializes an object. Here's an example of a constructor:

function Person(name, age) {
  this.name = name;
  this.age = age;
}

const person = new Person('John', 30);
console.log(person); // Output: Person { name: 'John', age: 30 }

In this example:

- Person is the constructor function.
- name and age are the constructor's parameters.
- this refers to the object being created.
- new is the keyword used to call the constructor and create a new object.

Constructors are useful for creating objects with a specific structure and initial values. You can also add methods to the constructor's prototype to share functionality across objects created by the constructor.

Here are three more examples of constructors in JavaScript:

1. Car constructor

function Car(make, model, year) {
  this.make = make;
  this.model = model;
  this.year = year;
}

const myCar = new Car('Toyota', 'Corolla', 2015);

1. Book constructor

function Book(title, author, pages) {
  this.title = title;
  this.author = author;
  this.pages = pages;
}

const myBook = new Book('To Kill a Mockingbird', 'Harper Lee', 281);

1. Point constructor

function Point(x, y) {
  this.x = x;
  this.y = y;
}

const point = new Point(3, 4);

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: construct javascript

Link to this answer
Share Copy Link

Contributed on May 12 2024

Gavin Dennett

0 Answers Avg Quality 2/10

construct 3 javascript

Contents

More Related Answers

construct 3 javascript

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.