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(); // result: Mike Will is 15 years old!// Improved formatting of Spotted Tailed Quoll's answer
class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
introduction() {
return `My name is ${name} and I am ${age} years old!`;
}
}
let john = new Person("John Smith", 18);
console.log(john.introduction());class Rectangle {
constructor(height, width) {
this.height = height;
this.width = width;
}
// Getter
get area() {
return this.calcArea();
}
// Method
calcArea() {
return this.height * this.width;
}
}
const square = new Rectangle(10, 10);
console.log(square.area); // 100// constructor function
function Person (name) {
// assigning parameter values to the calling object
this.name = name;
// defining method
this.greet = function () {
return ('Hello' + ' ' + this.name);
}
}// method 1
function nested(name , age , color){
this.name = name;
this.details = {
age : age,
color : color
}
}
let nestedObj = new nested( "Elroi" , 22 , "blue");
console.log(nestedObj)
// method 2
class Nested2{
constructor(name , age , color){
this.name = name;
this.details = {
age : age,
color : color
}
};
displayInfo(){
console.log(`${this.name} ${this.details.age} ${this.details.color} `)
}
}
let aaa = new Nested2("Ean" , 14 , "black");
aaa.displayInfo(); function add(c, d) {
return this.a + this.b + c + d;
}
var o = {a: 1, b: 3};
// The first parameter is the object to use as
// 'this', subsequent parameters are passed as
// arguments in the function call
add.call(o, 5, 7); // 16
// The first parameter is the object to use as
// 'this', the second is an array whose
// members are used as the arguments in the function call
add.apply(o, [10, 20]); // 34