![]() ![]() An optional options parameter lets you influence the behavior of the file picker, for example, by allowing the user to select multiple files, or directories, or different file types. After they select a file, the API returns an array of file handles. When called, it shows a file picker dialog box, and prompts the user to select a file. The entry point to the File System Access API is window.showOpenFilePicker(). The first use case I want to tackle is to ask the user to choose a file, then open and read that file from disk. See the File System Access API in action in the text editor demo. It's nothing fancy, but provides enough to help you understand the concepts. It lets you open a text file, edit it, save the changes back to disk, or start a new file and save the changes to disk. To show off the power and usefulness of the File System Access API, I wrote a single file text editor. There are no plans currently for picker methods, but you can track potential progress by starring /1011535. Android supports the origin private file system part of the API as of Chromium 109. A notable exception is Brave where it is currently only available behind a flag. The File System Access API is currently supported on most Chromium browsers on Windows, macOS, ChromeOS, and Linux. See the security and permissions section for more information. ![]() We've put a lot of thought into the design and implementation of the File System Access API to ensure that people can easily manage their files. ![]()
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