FileReader.error

The FileReader error property returns the error that occurred while reading the file.

Syntax

var error = instanceOfFileReader.error

Value

A DOMError containing the relevant error. In Chrome 48+/Firefox 58+ this property returns a DOMException because DOMError has been removed from the DOM standard.

Specifications

Specification Status Comment
File API
The definition of 'FileReader: error' in that specification.
Working Draft Initial definition

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
errorChrome Full support 7Edge Full support 12Firefox Full support 3.6
Notes
Full support 3.6
Notes
Notes Prior to Firefox 13, the error property returned a FileError object.
Notes From Firefox 13 to Firefox 58, the error property returned a DOMError object.
Notes From Firefox 58, the error property returns a DOMException object.
IE Full support 10
Notes
Full support 10
Notes
Notes The error property returns a DOMError object.
Opera Full support 11Safari Full support 6
Notes
Full support 6
Notes
Notes The error property returns a DOMError object.
WebView Android Full support YesChrome Android Full support YesFirefox Android Full support 32
Notes
Full support 32
Notes
Notes From Firefox 32 to Firefox 58, the error property returned a DOMError object.
Notes From Firefox 58, the error property returns a DOMException object.
Opera Android Full support 11Safari iOS Full support 6.1
Notes
Full support 6.1
Notes
Notes The error property returns a DOMError object.
Samsung Internet Android Full support Yes

Legend

Full support
Full support
See implementation notes.
See implementation notes.

See also