The HTMLHyperlinkElementUtils.hash property returns a DOMString containing a '#' followed by the fragment identifier of the URL. The fragment is not percent-decoded.
The HTMLHyperlinkElementUtils.host property is a USVString containing the host, that is the hostname, and then, if the port of the URL is nonempty, a ':', and the port of the URL.
The HTMLHyperlinkElementUtils.search property, is a search string, also called a query string, that is USVString containing a '?' followed by the parameters of the URL.