Returns the file's contents. This property is only valid after the read operation is complete, and the format of the data depends on which of the methods was used to initiate the read operation.
var file = instanceOfFileReader.result
A string or an
ArrayBuffer which depends on the method used to initiate the read operation.
The definition of 'FileReader' in that specification.
|Working Draft||Initial definition|
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
|Feature||Firefox (Gecko)||Chrome||Internet Explorer||Opera||Safari|
|Basic support||3.6 (1.9.2)||7||10||12.02||6.0.2|
|Feature||Firefox Mobile (Gecko)||Android||IE Mobile||Opera Mobile||Safari Mobile|
 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.
 IE9 has a File API Lab.
 Opera has partial support in 11.1.