FileEntrySync

Deprecated

Avoid using this feature in new projects. This feature may be a candidate for removal from web standards or browsers.

Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.

The FileEntrySync interface represents a file in a file system. It lets you write content to a file.

Warning: This interface is deprecated and is no more on the standard track. Do not use it anymore. Use the File and Directory Entries API instead.

Basic concepts

To write content to file, create a FileWriter object by calling createWriter().

Method overview

FileWriterSync createWriter ();
File file ();

Instance methods

createWriter()

Creates a new FileWriter associated with the file that the FileEntry represents.

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createWriter()

Parameters

None.

Return value

A FileWriterSync object.

Exceptions

This method can raise a DOMException with the following codes:

Exception Description
NOT_FOUND_ERR The file does not exist.
INVALID_STATE_ERR The file is no longer valid for some reason other than it having been deleted.

file()

Returns a File that represents the current state of the file that this FileEntry represents.

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file()

Parameters

None.

Return value

A File object.

Exceptions

This method can raise a DOMException with the following codes:

Exception Description
NOT_FOUND_ERR The file does not exist.
INVALID_STATE_ERR The file is no longer valid for some reason other than it having been deleted.

Specifications

This feature is not part of any specification anymore. It is no longer on track to become a standard.

Browser compatibility

See also