JSFiddle - React, Tailwind, and code Playground

JavaScript

// Open console F12
// :) and hit Ctrl+Enter
// Read the code

var Base = (function(){
  // Base definition
  function Base(name){
    this.name = name;
    console.log("Base.constructor "+this.name);
  }

  Base.staticTest = function(){
    console.log("Base.staticTest");
  }

  Base.prototype.proto = function(){
    console.log("Base.prototype "+this.name);
  }

  return Base;
})();


var Trait1 = (function(){
  // Trait1
  function Trait1(){
    console.log("Trait1.constructor");
  }

  Trait1.mixStatic = function(){
    console.log("Trait1.mixStatic");
  }

  Trait1.prototype.mixProto = function(){
    console.log("Trait1.mixProto");
  }
  
  return Trait1;
})();

var Trait2 = (function(){
  // Trait2
  function Trait2(){
    console.log("Trait2.constructor");
  }

  Trait2.mixStatic2 = function(){
    console.log("Trait2.mixStatic2");
  }

  Trait2.prototype.mixProto2 = function(){
    console.log("Trait2.mixProto2");
  }
  
  return Trait2;
})();

var Child = (function(__super){

  // !note
  __extends(Child, __super);

  // Child
  function Child(name){
  	// call parent
    __super.call(this, name);
    // call tarit 1 constructor
    Trait1.call(this);
    // call trait 2 constructor
    Trait2.call(this);
  }

	return Child;
})(Base);

var SubChild = (function(__super){

  // !note
  __extends(SubChild, __super);
  // !note
  __traits(SubChild, Trait1, Trait2);

  // SubChild
  function SubChild(name){
    // Call parent constructoor
    __super.call(this, name);
  }
  
  return SubChild;

})(Child);

// Test
var sc = new SubChild("Traits :) and inheritance");
sc.proto();
sc.mixProto();
sc.mixProto2();
SubChild.staticTest();
SubChild.mixStatic();
SubChild.mixStatic2();

// Helper function for inheritance
function __extends(d, b) {
    for (var p in b){ if (b.hasOwnProperty(p)){ d[p] = b[p]; } };
    function __() { this.constructor = d; }
    __.prototype = b.prototype;
    d.prototype = new __();
};

// Mix multiple classes as traits. Properties will...