この記事はまだボランティアによって 日本語 に翻訳されていません。ぜひ MDN に参加して翻訳を手伝ってください！
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
LockedFileobject from which the request was started.
- A callback handler called repeatedly while the operation represented by the
FileRequestis in progress.
FileRequest interface also inherits from the
- 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.|