题解 | 类继承
类继承
https://www.nowcoder.com/practice/c06b31bf07b94c5f9dbef9645e97ea28
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
</head>
<body>
<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;
}
}
class Chinese extends Human {
constructor(name, age) {
super(name);
this.age = age;
}
getAge() {
return this.age;
}
}
</script>
</body>
</html>
查看17道真题和解析