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

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
error
7
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."]
10
The error property returns a DOMError object.
11
6
The error property returns a DOMError object.
≤37
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
6
The error property returns a DOMError object.
Yes

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