inherit javascript

1function Animal() { }
2Animal.prototype.eat = function() {
3  return "nom nom nom";
4};
5function Bird() { }
6
7// Inherit all methods from Animal
8Bird.prototype = Object.create(Animal.prototype);
9
10// Bird.eat() overrides Animal.eat()
11Bird.prototype.eat = function() {
12  return "peck peck peck";
13};

1function inherit(c, p) {
2        Object.defineProperty(c, 'prototype', {
3            value: Object.assign(c.prototype, p.prototype),
4            writable: true,
5            enumerable: false
6        });
7
8        Object.defineProperty(c.prototype, 'constructor', {
9            value: c,
10            writable: true,
11            enumerable: false
12        });
13    }
14// Or if you want multiple inheritance
15
16function _inherit(c, ...p) {
17        p.forEach(item => {
18            Object.defineProperty(c, 'prototype', {
19                value: Object.assign(c.prototype, item.prototype),
20                writable: true,
21                enumerable: false
22            });
23        })
24
25        Object.defineProperty(c.prototype, 'constructor', {
26            value: c,
27            writable: true,
28            enumerable: false
29        });
30    }

1function Teacher(first, last, age, gender, interests, subject) {
2  Person.call(this, first, last, age, gender, interests);
3
4  this.subject = subject;
5}