function Person(first, last, age) {
this.first = first;
this.last = last;
this.age = age;
}
Person.prototype.greeting = function () {
return `Hello my name is ${this.first} and I am ${this.age} years old`;
};
let validator = {
set: function(target, key, value, receiver) {
console.log(`The property ${key} has been updated with ${value}`);
target[key] = value;
console.log(receiver.first);
return true;
}
};
Person.prototype = new Proxy(Person.prototype, validator);
let george = new Person('George', 'Clooney', 55)
Person.prototype.farewell = function () {
return `Hello my name is ${this.first} and I will see you later`;
};
george.foo = 'bar'
Person.prototype
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