getPrototypeChainOf.js

var getPrototypeChainOf = function( obj ) {
  var chain = [];
  
  if ( isFunction(obj) ) {
    obj = obj.prototype;
  } else {
    obj = obj.constructor.prototype;
  }

  do {
    chain.push( obj );
  } while ( obj = Object.getPrototypeOf( obj ) )

  return chain;
};