JS object创建方式

    //原型链 new方式对象创建
    let Obj = function() {
        this.color = 'red'
    }

    Obj.prototype = {
        getColor:function() {
            return this.color
        }
    }

    let obj = new Obj()

    //直接申明
    let obj = {
        color: 'red',
        getColor:function() {
            return this.color
        }
    }

    //Object.create()
    let obj = Object.create({
        color: 'red',
        getColor:function() {
            return this.color
        }
    })