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                # 組合式繼承 ***** **原型鏈繼承 + 借用構造函數繼承** ```javascript //組合式繼承: 原型鏈繼承(不能訪問屬性) + call繼承(不能訪問方法) // 構造函數 function Person(name,age){ this.name = name; this.age = age; } // 添加方法在原型上 Person.prototype.eat = function(){ console.log("吃飯"); } // 學生類 function Student(name,age,score){ Person.call(this,name,age);//call繼承 this.score = score; } //原型鏈繼承 Student.prototype = new Person(); // 添加方法 Student.prototype.say = function(){ console.log("世界,你好"); } // 實例化對象 var stu1 = new Student("小明",18,100); console.log(stu1.name,stu1.age,stu1.score); stu1.eat(); //可以訪問方法 stu1.say(); ```
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