// 父类
class person {
constructor (name,age) {
this.name = name
this.age = age
}
}
class CheChinese extends person {
}
// 在class中通过extends关键字来实现继承
const Chineses = new CheChinese(‘张三‘,11)
console.log(Chineses)
class American {
}
const american = new American(‘Jack‘,10)
console.log(american)
原文：https://www.cnblogs.com/js-liqian/p/11783316.html