This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.
Window.URL property returns a
URL object that provides static methods used for creating and managing object URLs.
It is good practice to call the
URL constructor instead of using this property.
|URL||Living Standard||Initial definition.|
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari|
|Basic support||8.0 as
||4.0 (2.0) (non-standard interface returned) 
|Feature||Android||Firefox Mobile (Gecko)||IE Mobile||Opera Mobile||Safari Mobile|
||14.0 (14.0)(non-standard name) 
 From Gecko 2 (Firefox 4) to Gecko 18 included, Gecko returned an object with the non-standard
nsIDOMMozURLProperty internal type. In practice, this didn't make any difference.W