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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.lockedFile
Read only- The
LockedFile
object from which the request was started. FileRequest.onprogress
- A callback handler called repeatedly while the operation represented by the
FileRequest
is in progress.
The FileRequest
interface also inherits from the DOMRequest
interface.
DOMRequest.onsuccess
- A callback handler called when the operation represented by the
DOMRequest
is completed. DOMRequest.onerror
- A callback handler that gets called when an error occurs while processing the operation.
DOMRequest.readyState
- A
string
indicating 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. |