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Non-standard
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.
Summary
The FileRequest interface extends the DOMRequest interface to provide some extra properties necessary for the LockedFile objects.
Properties
FileRequest.lockedFileRead only- The
LockedFileobject from which the request was started. FileRequest.onprogress- A callback handler called repeatedly while the operation represented by the
FileRequestis in progress.
The FileRequest interface also inherits from the DOMRequest interface.
DOMRequest.onsuccess- A callback handler called when the operation represented by the
DOMRequestis completed. DOMRequest.onerror- A callback handler that gets called when an error occurs while processing the operation.
DOMRequest.readyState- A
stringindicating whether or not the operation is finished running. Its value is either "done" or "pending". DOMRequest.result- The operation's result.
DOMRequest.error- Error information, if any.
Methods
None.
Specifications
| Specification | Status | Comment |
|---|---|---|
| FileSystem API | Editor's Draft | Draft proposal. |