constructor in javascript
class Person {
constructor(name) {
this.name = name;
}
introduce() {
console.log(`Hello, my name is ${this.name}`);
}
}constructor in javascript
class Person {
constructor(name) {
this.name = name;
}
introduce() {
console.log(`Hello, my name is ${this.name}`);
}
}constructor in js
A constructor is a function that creates an instance of a class
which is typically called an “object”. In JavaScript, a constructor gets
called when you declare an object using the new keyword.
The purpose of a constructor is to create an object and set values if
there are any object properties present.javascript construct
function Person(firstName, lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
const member = new Person('Lydia', 'Hallie');
Person.getFullName = function() {
return `${this.firstName} ${this.lastName}`;
};
console.log(member.getFullName());javascript constructor
// Let's make a function that will accept parameters for our vehicle
function Car(maker, model, color, tireSize) {
// Now we will set the paramaters equal to the different attributes of the car
this.maker = maker;
this.model = model;
this.color = color;
this.tireSize = tireSize;
// Next we'll make a method that will give a dynamic description of our car
this.description = function() {
return "My car is a " + color + " " + maker + " " + model + " with " + tireSize + " inch tires."
}
}
// Now let's make a new car. I want the car to have these attributes:
let car1 = new Car("Kia", "Soul", "white", 15);
// Now we can print the description of out new vehicle to the console
console.log(car1.description());
// OUTPUT: My car is a white Kia Soul with 15 inch tires.Copyright © 2021 Codeinu
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