An entry in a history stack. A location contains information about the URL path, as well as possibly some arbitrary state and a key.
A URL fragment identifier, beginning with a #.
A unique string associated with this location. May be used to safely store and retrieve data in some other storage API, like localStorage.
localStorage
A URL pathname, beginning with a /.
A URL search string, beginning with a ?.
A value of arbitrary data associated with this location.