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回傳讀取檔案時發生的錯誤。

語法

var error = instanceOfFileReader.error

Value

A DOMError

規格

Specification Status Comment
File API
The definition of 'FileReader' in that specification.
Working Draft Initial definition

瀏覽器相容性

Feature Firefox (Gecko) Chrome Edge Internet Explorer Opera Safari
Basic support 3.6 (1.9.2)[1] 7 (Yes) 10[2] 12.02[3] 6.0.2
Feature Firefox Mobile (Gecko) Android Edge IE Mobile Opera Mobile Safari Mobile
Basic support 32 3 (Yes) 10 11.5 6.1

[1] Prior to Gecko 2.0 beta 7 (Firefox 4.0 beta 7), all Blob parameters below were File parameters; this has since been updated to match the specification correctly. Prior to Gecko 13.0 (Firefox 13.0 / Thunderbird 13.0 / SeaMonkey 2.10) the FileReader.error property returned a FileError object. This interface has been removed and FileReader.error is now returning the DOMError object as defined in the latest FileAPI draft.

[2] IE9 has a File API Lab.

[3] Opera has partial support in 11.1.

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 最近更新: lynn456,