题解 | #类继承#
类继承
https://www.nowcoder.com/practice/c06b31bf07b94c5f9dbef9645e97ea28
继承注意super
<script type="text/javascript"> class Human { constructor(name) { this.name = name this.kingdom = 'animal' this.color = ['yellow', 'white', 'brown', 'black'] } // 补全代码 getName(){ return this.name } } // 补全代码 class Chinese extends Human{ constructor(name,age){ super(name) this.age=age } getAge(){ return this.age } } </script> </body>