JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
</head>
<body>
  
</body>
</html>

CSS

body{
  
 color:#fff;
}

JavaScript

function Person() {
       this.name='zxf'
     }
     function Son() {
       Person.call(this,arguments)
       this.age=45
     }
      Person.prototype.getName=function(){
       return this.name
     }
      // Son.prototype = Object.create(Person && Person.prototype, {
      //   constructor: {
      //     value: Son,
      //     enumerable: false,
      //     writable: true,
      //     configurable: true
      //   }
      // });
     Object.setPrototypeOf(Son.prototype,Person.prototype)
      const son=new Son()
      Son.prototype.getAge=function(){
       return this.age
      }
document.write(son.getName())