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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.


The lockedFile property represents the LockedFile object from which the request was started.


var lockedFile = instanceOfFileRequest.lockedFile


A LockedFile object.


Specification Status Comment
FileSystem API Editor's Draft Draft proposal.

See also

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Contributors to this page: Jeremie, fscholz, kscarfone
Last updated by: Jeremie,