7.原型模式

function Swiper(imgArr, container){
        this.imgArr = imgArr
        this.container = container
        this.createImg = function() {
            console.log('createimg')
        }
        this.changeImg = function() {
            console.log('changeImg')
        }
    }
    function SlideLooper(imgArr, container) {
        Swiper.call(this, imgArr, container)
        this.changeImg = function() {
            console.log('SlideLooper')
        }
    }
    function Swiper2(imgArr, container) {
        this.imgArr = imgArr
        this.container = container
    }
    Swiper2.prototype = {
        createImg: function () {
            console.log('Swiper2,createImg')
        },
        changeImg: function () {
            console.log('swpier2,changeImg')
        }
    }
    function SliderLooper2(imgArr, container) {
        Swiper2.call(this, imgArr, container)
    }
    SliderLooper2.prototype = new Swiper2()
    // SliderLooper2.prototype.changeImg = function() {
    //     console.log('SliderLooper2,changeImg')
    // }
    let eg1 = new SliderLooper2([1,2,3],['one','two'])
    eg1.changeImg()

    // 继承函数
    function ExtendPrototype() {
        let args = arguments
        function F() {
            
        }
        for (let i = 0; i < args.length; i++) {
            for(var j in args[i]) {
                F.prototype[j] = args[i][j]
            }
        }
        return new F()
    }
    let eg2 = new ExtendPrototype ({name:'guohua', age:'24'},{code: function(){
        console.log('codecode')
    }})