UserIndexView.js

class Entity {
  renderPartial() {
    console.error('Entity');
  }
  render() {
    console.error('header');
    this.renderPartial();
  }
}

class Person extends Entity{
  renderPartial() {
    console.error('Person');
  }
}

class Manager extends Person {
  renderPartial() {
    console.error('Manager');
  }
}
 
const manager = new Manager();
manager.render();