javascript constructor function
function ClassMates(name,age){
this.name=name;
this.age=age;
this.displayInfo=function(){
return this.name + "is " + this.age + "year's old!";
}
}
let classmate1 = new ClassMates("Mike Will", 15);
classmate.displayInfo(); // "Mike Will is 15 year's old!"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 constructor object
function Person(first, last, age, eye) {
this.firstName = first;
this.lastName = last;
this.age = age;
this.eyeColor = eye;
}js constructor object
function Car(make, model, year) {
this.make = make;
this.model = model;
this.year = year;
}
var car1 = new Car('Eagle', 'Talon TSi', 1993);
console.log(car1.make);
// expected output: "Eagle"how to create a constructor in javascript
function Bird() {
this.name = "Albert";
this.color = "blue";
this.numLegs = 2;
}
let blueBird = new Bird();Copyright © 2021 Codeinu
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