objectChainInspector.js

class ObjectInspector {
  constructor(target) {
    this.target = target;
    this.valueOf = {
      "[[Class]]": Object.prototype.toString.call(this.target),
      constructorName: this.target.constructor ? this.target.constructor.name : undefined,
      props: Object.getOwnPropertyNames(this.target)
    }
  }
}

function inspect(obj) {
  let inspector = new ObjectInspector(obj);
  console.dir(inspector);

  if (obj.__proto__ !== null) {
    inspect(obj.__proto__);
  }
}

// how to use
inspect({something: 'I want to inspect this'});