The abort method aborts the read operation. Upon return, the readyState will be DONE.
Syntax
instanceOfFileReader.abort();
Exceptions
DOM_FILE_ABORT_ERR- Thrown when
abortis called while no read operation is in progress (that is, the state isn'tLOADING).
Specifications
| Specification | Status | Comment |
|---|---|---|
| File API The definition of 'FileReader' in that specification. |
Working Draft | Initial definition |
Browser compatibility
| 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.