{ "api": { "FileSystem": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileSystem", "support": { "chrome": { "version_added": "7", "alternative_name": "DOMFileSystem" }, "chrome_android": { "version_added": "18", "alternative_name": "DOMFileSystem" }, "edge": { "version_added": "≤18", "prefix": "WebKit", "notes": "Edge only supports this API in drag-and-drop scenarios using the the DataTransferItem.webkitGetAsEntry() method. It's not available for use in file or folder picker panels (such as when you use an <input> element with the HTMLInputElement.webkitdirectory attribute." }, "firefox": { "version_added": "50" }, "firefox_android": { "version_added": "50" }, "ie": { "version_added": false }, "opera": { "version_added": "15", "prefix": "webkit" }, "opera_android": { "version_added": "14", "prefix": "webkit" }, "safari": { "version_added": "11.1" }, "safari_ios": { "version_added": "11.3" }, "samsunginternet_android": { "prefix": "webkit", "version_added": "1.0" }, "webview_android": { "version_added": "≤37", "alternative_name": "DOMFileSystem" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "name": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileSystem/name", "support": { "chrome": { "version_added": "7" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "≤18" }, "firefox": { "version_added": "50" }, "firefox_android": { "version_added": "50" }, "ie": { "version_added": false }, "opera": { "version_added": "15" }, "opera_android": { "version_added": "14" }, "safari": { "version_added": "11.1" }, "safari_ios": { "version_added": "11.3" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "root": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileSystem/root", "support": { "chrome": { "version_added": "7" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "≤18" }, "firefox": { "version_added": "50" }, "firefox_android": { "version_added": "50" }, "ie": { "version_added": false }, "opera": { "version_added": "15" }, "opera_android": { "version_added": "14" }, "safari": { "version_added": "11.1" }, "safari_ios": { "version_added": "11.3" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } } } }