This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
- A callback handler called when the operation represented by the
- A callback handler that gets called when an error occurs while processing the operation.
stringindicating whether or not the operation is finished running. Its value is either "done" or "pending".
- The operation's result.
- Error information, if any.
|FileSystem API||Editor's Draft||Draft proposal.|