JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://raw.github.com/Raynos/pd/master/src/pd.js"></script>

JavaScript

var newObject = pd.make(null,{
  toString: function  () { return "foobar"; },
  valueOf: function () { return 42;  }
});

var o = Object.create(newObject);
console.log(o + 3);
console.log(o.toString());