Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
flush() method of the
ensures any change made to a file is properly written on disk.
For performance reasons, a
IDBFileHandle object buffers all its operation in memory.
This allows fast writing and reading operations.
Periodically, the data are written onto disk.
However, if something goes wrong before that, some operations can be lost.
To avoid that, it's possible to force a write onto the disk by calling the
IDBFileRequest object to handle the success or failure of the operation.
This feature is not part of any current specification. It is no longer on track to become a standard.
This method is not supported by any current browser.
From Firefox 102 it is behind the preference