FileReader: error property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

See full compatibility

Note: This feature is available in Web Workers.

The error read-only property of the FileReader interface returns the error that occurred while reading the file.

Value

A DOMException containing the relevant error.

Specifications

Specification
File API # dom-filereader-error

Browser compatibility

	desktop					mobile							server
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS	Deno
`error`	Chrome – Full support Chrome 6 (Release date: 2010-09-02) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Full support Firefox 3.6 (Release date: 2010-01-21) footnote footnote Before Firefox 13, the `error` property returned a `FileError` object. footnote From Firefox 13 to Firefox 58, the `error` property returned a `DOMError` object. footnote From Firefox 58, the `error` property returns a `DOMException` object.	Opera – Full support Opera 11 (Release date: 2010-12-16) footnote Full support	Safari – Full support Safari 6 (Release date: 2012-07-25) footnote footnote The `error` property returns a `DOMError` object.	Chrome Android – Full support Chrome Android 18 (Release date: 2012-06-27) footnote Full support	Firefox for Android – Full support Firefox for Android 32 (Release date: 2014-09-02) footnote footnote From Firefox 32 to Firefox 58, the `error` property returned a `DOMError` object. footnote From Firefox 58, the `error` property returns a `DOMException` object.	Opera Android – Full support Opera Android 11 (Release date: 2011-03-22) footnote Full support	Safari on iOS – Full support Safari on iOS 6 (Release date: 2012-09-10) footnote footnote The `error` property returns a `DOMError` object.	Samsung Internet – Full support Samsung Internet 1 (Release date: 2013-04-27) footnote Full support	WebView Android – Full support WebView Android 3 (Release date: 2011-02-22) footnote Full support	WebView on iOS – Full support WebView on iOS 6 (Release date: 2012-09-10) footnote footnote The `error` property returns a `DOMError` object.	Deno – Full support Deno 1.3 (Release date: 2020-08-13) footnote Full support

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Full support: Full support
: See implementation notes.

FileReader: error property

Value

Specifications

Browser compatibility

Legend

See also