Object.getPrototypeOf(document.createElementNS('html', 'div'))- When I run this from a script on Chrome 48 (stable) or 50 (canary) I get the expected/desired
HTMLDivElement(codepen) - When I run this within the console on Chrome 48 I get
Element(noHTMLDivElementorHTMLElement) - When I run this within the console on Chrome 50 I get
Node(noHTMLDivElement,HTMLElement, orElement)