This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The read-only root property of the FileSystem interface specifies a FileSystemDirectoryEntry object representing the root directory of the file system, for use with the File and Directory Entries API.


var rootDirEnt = FileSystem.root;


A FileSystemDirectoryEntry representing the file system's root directory.


// tbd


Specification Status Comment
File and Directory Entries API
The definition of 'root' in that specification.
Draft Initial specification.

Browser compatibility

ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
rootChrome Full support 7Edge Full support ≤18Firefox Full support 50IE No support NoOpera Full support 15Safari Full support 11.1WebView Android Full support ≤37Chrome Android Full support 18Firefox Android Full support 50Opera Android Full support 14Safari iOS Full support 11.3Samsung Internet Android Full support 1.0


Full support
Full support
No support
No support

See also