There are 2 things called "file system api" in the browser. One is the "File System Access API" to store files on a users OS. This cannot be used to store data

There are 2 things called "file system api" in the browser. One is the "File System Access API" to store files on a users OS. This cannot be used to store data of a database.[1] The other one is the "real" filesytem api, which is not supported by most browsers. [2] [1] https://developer.mozilla.org/en-US/docs/Web/API/File_System_Access_API https://developer.mozilla.org/en-US/docs/Web/API/File_System... [2] https://caniuse.com/filesystem https://caniuse.com/filesystem