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

The read-only name property of the FileSystem interface indicates the file system's name. This USVString is unique among all file systems currently exposed by the File and Directory Entries API.


var fsName =;


A USVString representing the file system's name.


// tbd


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

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
nameChrome 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