Implement a recursive reflection in JavaScript prototype chain inheritance

proto-inheritance-reflect.js

// for ES5 compliant engines (tested in Chrome, FF and IE9+)
// Under WTFPL license ;)
function getObjectInheritance(obj) {
  var hierarchy = [];
  if (['boolean', 'number', 'string', 'undefined'].indexOf(typeof obj) !== -1 || obj === null) { // support for primitives types
    obj = Object(obj);
  } else if (typeof obj === 'function') {
    hierarchy.push(obj.name || (obj.toString().match(/function (\w*)/) || obj.toString().match(/\[object (\w*)\]/))[1] || 'Anonymous Function');
    obj = obj.prototype; 
  } else if (obj.toString() !== '[object Object]' && obj.prototype) { // fix Objects instances and IE 
     hierarchy.push(obj.prototype.constructor.name || (obj.prototype.constructor.toString().match(/function (\w*)/) || obj.prototype.constructor.toString().match(/\[object (\w*)\]/))[1] || 'Anonymous Function');
     obj = obj.prototype; 
  } else if (!Object.getPrototypeOf(obj) && obj.constructor) {
     hierarchy.push(obj.constructor.name || (obj.constructor.toString().match(/function (\w*)/) || obj.constructor.toString().match(/\[object (\w*)\]/))[1] || 'Anonymous Function');
  }
  while (obj = Object.getPrototypeOf(obj)) {
    if (obj && obj.constructor) {
      hierarchy.push(obj.constructor.name || (obj.constructor.toString().match(/function (\w*)/) || obj.constructor.toString().match(/\[object (\w*)\]/))[1] || 'Anonymous Function');
    }
  }
  return hierarchy;
}

// test
getObjectInheritance(HTMLDivElement).join(' -> ');
// "Object -> Node -> Element -> HTMLElement -> HTMLDivElement"