This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Non-standard
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.
Syntax
var rootDirEnt = FileSystem.root;
Value
A FileSystemDirectoryEntry representing the file system's root directory.
Example
// tbd
Specifications
| 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
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
root | Chrome Full support 13 | Edge Full support Yes | Firefox Full support 50 | IE No support No | Opera Full support 15 | Safari No support No | WebView Android Full support 37 | Chrome Android Full support 18 | Firefox Android Full support 50 | Opera Android Full support 14 | Safari iOS No support No | Samsung Internet Android ? |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.