CODE EXAMPLE FOR JAVASCRIPT

js object

const person = {
    firstName: 'John',
    age: 30,
    greet() {//method
        console.log('Hi, I am ' + this.name);
    },
    age(){//method
        console.log('I am ' + this.age + ' years old');
    }
}

person.lastName = 'Doe';//add property to object

console.log(person.lastName);// output: Doe
// Calling a method
person.greet();// output: Hi, I am Doe
person.age();// output: I am 30 years old