JSFiddle - React, Tailwind, and code Playground

JavaScript

SuperSuperClass = function SuperSuperClass() {}
SuperSuperClass.prototype.do = function() {
    console.log('SuperSuperClass.prototype.do');
};

function SuperClass() {
    SuperSuperClass.call(this);
}
SuperClass.prototype = Object.create(SuperSuperClass.prototype);
SuperClass.prototype.constructor = SuperClass;
SuperClass.prototype.do = function() {
    console.log('SuperClass.prototype.do');
    SuperClass.prototype.__proto__.do.call(this);
};

function Class() {
    SuperClass.call(this);
}
Class.prototype = Object.create(SuperClass.prototype);
Class.prototype.constructor = Class;
Class.prototype.do = function() {
    console.log('Class.prototype.do');
    Class.prototype.__proto__.do.call(this);
};

var objClass = new Class();
objClass.do();