js 创建对象的几种模式

    function createPerson(name, age) {
        let o = new Object();
        o.name = name
        o.age = age
        o.say = function() {
            console.log("name", this.name, "age", this.age);
        }
        return o
    }
    let object1 = createPerson(‘n1‘, ‘a1‘);
    let object2 = createPerson(‘n2‘, ‘a2‘);
    object1.say();
    object2.say();

    function Person(name, age) {
        this.name = name;
        this.age = age;
        this.say = function () {
            console.log("name", this.name, "age", this.age);
        }
    }
    let p1 = new Person(‘n1‘, ‘a1‘);
    let p2 = new Person(‘n2‘, ‘a2‘);
    p1.say();
    p2.say();

    function Person() {
    }
    Person.prototype.name = ‘name‘
    Person.prototype.age = ‘age‘
    Person.prototype.say = function () {
        console.log(this.name, this.age);
    }
    let p = new Person()
    p.say();