The origin read-only property of the Location interface is a string containing the Unicode serialization of the origin of the represented URL. 
That is:
-  for URL using the 
httporhttps, the scheme followed by'://', followed by the domain, followed by':', followed by the port (the default port,80and443respectively, if explicitly specified); - for URL using 
file:scheme, the value is browser dependent; -  for URL using the 
blob:scheme, the origin of the URL followingblob:. E.g"blob:https://mozilla.org"will have"https://mozilla.org". 
Note: This feature is available in Web Workers