FileReader.error

A propriedade error de FileReader retorna o erro que ocorreu ao ler o ficheiro.

Sintaxe

var error = instanceOfFileReader.error

Um DOMError com o erro. Em Chrome 48+/Firefox 58+ esta propriedade retorna uma DOMException porque DOMError foi removido do standard do DOM.

Especificação	Estado	Comentários
File API The definition of 'FileReader: error' in that specification.	Working Draft	Definição inicial

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`error`	Chrome Full support 7	Edge Full support 12	Firefox 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 11	Safari Full support 6 Notes Full support 6 Notes Notes The `error` property returns a `DOMError` object.	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox 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 11	Safari 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