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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.

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

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android WebView on iOS
error 6 12
3.6["Before Firefox 13, the error property returned a FileError object.", "From Firefox 13 to Firefox 58, the error property returned a DOMError object.", "From Firefox 58, the error property returns a DOMException object."]
11
6The error property returns a DOMError object.
18
32["From Firefox 32 to Firefox 58, the error property returned a DOMError object.", "From Firefox 58, the error property returns a DOMException object."]
11
6The error property returns a DOMError object.
1.0 3
6The error property returns a DOMError object.

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/FileReader/error