what use javascript class code example
Example 1: javascript class
class ClassMates{
constructor(name,age){
this.name=name;
this.age=age;
}
displayInfo(){
return this.name + "is " + this.age + " years old!";
}
}
let classmate = new ClassMates("Mike Will",15);
classmate.displayInfo();
Example 2: javascript class
class Rectangle {
constructor(height, width) {
this.height = height;
this.width = width;
Rectangle.count++;
}
get area() {
return this.calcArea();
}
calcArea() {
return this.height * this.width;
}
static calcArea(width, height) {
return width * height;
}
}
Rectangle.count = 0;
const square = new Rectangle(10, 10);
console.log(square.height, square.width);
console.log(square.area);
console.log(square.calcArea());
console.log(Rectangle.count);
console.log(Rectangle.calcArea(15, 15));