Test that HTML element constructors are accessible as window object properties. HTMLElement: [object HTMLElementConstructor] HTMLAnchorElement: [object HTMLAnchorElementConstructor] HTMLAppletElement: [object HTMLAppletElementConstructor] HTMLAreaElement: [object HTMLAreaElementConstructor] HTMLBaseElement: [object HTMLBaseElementConstructor] HTMLBaseFontElement: [object HTMLBaseFontElementConstructor] HTMLBodyElement: [object HTMLBodyElementConstructor] HTMLBRElement: [object HTMLBRElementConstructor] HTMLButtonElement: [object HTMLButtonElementConstructor] HTMLDirectoryElement: [object HTMLDirectoryElementConstructor] HTMLDivElement: [object HTMLDivElementConstructor] HTMLDListElement: [object HTMLDListElementConstructor] HTMLFieldSetElement: [object HTMLFieldSetElementConstructor] HTMLFontElement: [object HTMLFontElementConstructor] HTMLFormElement: [object HTMLFormElementConstructor] HTMLFrameElement: [object HTMLFrameElementConstructor] HTMLFrameSetElement: [object HTMLFrameSetElementConstructor] HTMLHeadElement: [object HTMLHeadElementConstructor] HTMLHeadingElement: [object HTMLHeadingElementConstructor] HTMLHRElement: [object HTMLHRElementConstructor] HTMLHtmlElement: [object HTMLHtmlElementConstructor] HTMLIFrameElement: [object HTMLIFrameElementConstructor] HTMLImageElement: [object HTMLImageElementConstructor] HTMLInputElement: [object HTMLInputElementConstructor] HTMLIsIndexElement: [object HTMLIsIndexElementConstructor] HTMLLabelElement: [object HTMLLabelElementConstructor] HTMLLegendElement: [object HTMLLegendElementConstructor] HTMLLIElement: [object HTMLLIElementConstructor] HTMLLinkElement: [object HTMLLinkElementConstructor] HTMLMapElement: [object HTMLMapElementConstructor] HTMLMenuElement: [object HTMLMenuElementConstructor] HTMLMetaElement: [object HTMLMetaElementConstructor] HTMLModElement: [object HTMLModElementConstructor] HTMLObjectElement: undefined HTMLOListElement: [object HTMLOListElementConstructor] HTMLOptGroupElement: [object HTMLOptGroupElementConstructor] HTMLOptionElement: [object HTMLElementConstructor] HTMLParagraphElement: [object HTMLParagraphElementConstructor] HTMLParamElement: [object HTMLParamElementConstructor] HTMLPreElement: [object HTMLPreElementConstructor] HTMLQuoteElement: [object HTMLQuoteElementConstructor] HTMLScriptElement: [object HTMLScriptElementConstructor] HTMLSelectElement: [object HTMLSelectElementConstructor] HTMLStyleElement: [object HTMLStyleElementConstructor] HTMLTableCaptionElement: [object HTMLTableCaptionElementConstructor] HTMLTableCellElement: [object HTMLTableCellElementConstructor] HTMLTableColElement: [object HTMLTableColElementConstructor] HTMLTableElement: [object HTMLTableElementConstructor] HTMLTableRowElement: [object HTMLTableRowElementConstructor] HTMLTableSectionElement: [object HTMLTableSectionElementConstructor] HTMLTextAreaElement: [object HTMLTextAreaElementConstructor] HTMLTitleElement: [object HTMLTitleElementConstructor] HTMLUListElement: [object HTMLUListElementConstructor] HTMLCanvasElement: [object HTMLCanvasElementConstructor] HTMLInsElement: undefined HTMLDelElement: undefined HTMLEmbedElement: undefined HTMLMarqueeElement: [object HTMLMarqueeElementConstructor]