mozilla
Your Search Results

    LockedFile.truncate()

    This article is in need of a technical review.

    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 truncate method is used to remove some data within the file.

    If the method is called with no argument, the operation removes all the bytes starting at the index set in LockedFile.location.

    If the method is called with an argument, the operation removes all the bytes starting at the index corresponding to the parameter and regardless of the value of LockedFile.location.

    Syntax

    var request = instanceOfLockedFile.truncate(start);

    Parameters

    start Optional
    A number representing the index where to start the operation.

    Return

    A FileRequest object to handle the success or failure of the operation.

    Specifications

    Specification Status Comment
    FileSystem API Editor's Draft Draft proposal

    See also

    Document Tags and Contributors

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