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 January 2020.

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

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
error

Legend

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Full support
Full support
See implementation notes.

See also