FileHandle.open() - Web APIs 编辑

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 open method returns a LockedFile object that allows to safely write in the file.

Syntax

var myFile = instanceOfFileHandle.open(mode);

Parameters

mode

A string that specifies the writing mode for the file. It can be readonly or readwrite.

Return

A LockedFile object.

Specifications

See also

• FileHandle