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

This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

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.

This API has no official W3C or WHATWG specification.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support13 Yes50 No15 No
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support ? ? ?5015 No ?

See also

Document Tags and Contributors

Contributors to this page: ExE-Boss, Sheppy
Last updated by: ExE-Boss,