javascriptの中で最もよく使われている継承パターンの組み合わせは継承されます.
1062 ワード
<br>//
<br>function Person(name, age) {
<br>this.name = name;
<br>this.age = age;
<br>}
<br>// ( )
<br>Person.prototype.showName = function () {
<br>alert(this.name);
<br>}
<br>//
<br>function Student(name, age, score) {
<br>this.score = score;
<br>Person.call(this,name,age);
<br>}
<br>//
<br>Student.prototype = new Person();
<br>// ( )
<br>Student.prototype.showScore = function () {
<br>alert(this.score);
<br>}
<br>
<br>//
<br>var student = new Student("zhangsan", 22, 100);
<br>student.showName();
<br>student.showScore();
<br>
<br>var stu = new Student("lisi", 25, 200);
<br>stu.showName();
<br>stu.showScore();
<br>