function Super() {this.property = true;
}
Super.prototype.getSuperValue = function() {return this.property;
}function Sub() {this.subProperty = false;
}// 继承了父类
Sub.prototype = new Super();

function Super() {this.colors = ["red", "blue"];
}function Sub() {}// 继承了父类
Sub.prototype = new Super();var instance1 = new Sub();
instance1.colors.push("black");
console.log(instance1.colors);   // ["red", "blue", "black"]var instance2 = new Sub();
console.log(instance2.colors);   // ["red", "blue", "black"]

function Super() {this.colors = ["red", "blue"];
}function Sub() {Super.call(this);
}var instance1 = new Sub();
instance1.colors.push("black");
console.log(instance1.colors);   // ["red", "blue", "black"]var instance2 = new Sub();
console.log(instance2.colors);   // ["red", "blue"]

function Super() {this.colors = ["red", "blue"];
}Super.prototype.sayHello = function () {console.log("hello")
}function Sub() {// 继承不共享的属性和方法Super.call(this)
}// 继承共享的属性和方法
Sub.prototype = new Super();
Sub.prototype.constructor = Sub;
Sub.prototype.sayHi = function() {console.log("hi")
}var instance1 = new Sub();
instance1.colors.push("black");
console.log(instance1.colors);   // ["red", "blue", "black"]
instance1.sayHi();
instance1.sayHello();var instance2 = new Sub();
console.log(instance2.colors);   // ["red", "blue"]

function SuperType() {this.color = ["red", "yellow", "blue"];
}SuperType.prototype.sayHello = function() {console.log("hello")
}// 继承父类的构造函数里面的属性
function SubType() {SuperType.call(this);this.friends = ["a", "b", "c"];
}// 继承父类原型对象的属性
// 道格拉斯的方法
// function object(o) {//     function F() {};
//     F.prototype = o;
//     return new F();
// }// es5 把上面的方法规范化了，变成了 Object.create(o)
SubType.prototype = Object.create(SuperType);// 把子类的 constructor 属性指向变回 SubType
SubType.prototype.constructor = SubType;