<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<script>
class per{
constructor(name,age){
this.name=name;
this.age=age;
}
}
var oper=new per("liming","18");
console.log(oper.name,oper.age);
class oper1 extends per{
constructor(name,age,jineng){
super(name,age);
this.jineng=jineng;
}
}
var oper2=new oper1("李红","16","帅");
console.log(oper2.jineng);
</script>
</body>
</html>
super应用
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转载自blog.csdn.net/moonlight201868/article/details/81189261
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