SOURCE

/**
 * 工厂模式
 */
class car {
    constructor(name) {
        this.name = name
    }

    run() {
        console.log(this.name + "在跑")
    }

}

class createCar {
    create(name) {
        return new car(name)
    }
}

let bmw = new createCar().create("bmw")
bmw.run()
let ford = new createCar().create("Ford")
ford.run()