js.next-classes.js

// From: https://mail.mozilla.org/pipermail/es-discuss/2011-October/thread.html#17696

const className = superClass <| function(/*constructor parameters */) {
    //constructor body
    super.constructor(/*arguments to super constructor */);
    this.{
     //per instance property definitions
    };
}.prototype.{
    //instance properties defined on prototype
}.constructor.{
    //class (ie, constructor) properties
};