1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
| function Person(name, age) { this.name = name; this.age = age; this.say = () => console.log(this);
}
Person.prototype.showName = function () { console.log(this.name); }
Person.eat = function () { console.log("eat....."); }
let person = new Person('node', 11); person.say()
function Teacher(name, age, subject) { Person.call(this, name, age) this.subject = subject; }
Teacher.prototype = new Person()
let t = new Teacher('l', 22, 'shuxue'); t.say() t.showName()
|