class and object in javascript code example
Example 1: javascript create class
class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
present = () => {
console.log(`Hi! i'm ${this.name} and i'm ${this.age} years old`)
}
}
let me = new Person("tsuy", 15);
me.present();
Example 2: javascript class
class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
introduction() {
return `My name is ${name} and I am ${age} years old!`;
}
}
let john = new Person("John Smith", 18);
console.log(john.introduction());
Example 3: how to create object in javascript with class
let myCar1 = new Car("Ford", 2014);
let myCar2 = new Car("Audi", 2019);
Example 4: how to create object in javascript with class
class Car {
constructor(name, year) {
this.name = name;
this.year = year;
}
}
Example 5: javascript classes
let Person = class {
constructor(firstName, lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
}
Example 6: class in javascript
class Car {
constructor(name, year) {
this.name = name;
this.year = year;
}
age(x) {
return x - this.year;
}
}
let date = new Date();
let year = date.getFullYear();
let myCar = new Car("Ford", 2014);
document.getElementById("class1").innerHTML = "My car is " + myCar.age(year) + " years old.";