{ "api": { "FileReaderSync": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReaderSync", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": true }, "edge_mobile": { "version_added": true }, "firefox": { "version_added": "8" }, "firefox_android": { "version_added": "8" }, "ie": { "version_added": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "worker_support": { "__compat": { "description": "Only available in workers", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": true }, "edge_mobile": { "version_added": true }, "firefox": { "version_added": "8" }, "firefox_android": { "version_added": "8" }, "ie": { "version_added": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "readAsArrayBuffer": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReaderSync#readAsArrayBuffer()", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": true }, "edge_mobile": { "version_added": true }, "firefox": { "version_added": "8" }, "firefox_android": { "version_added": "8" }, "ie": { "version_added": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "readAsBinaryString": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReaderSync#readAsBinaryString()", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": true }, "edge_mobile": { "version_added": true }, "firefox": { "version_added": "8" }, "firefox_android": { "version_added": "8" }, "ie": { "version_added": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "readAsDataURL": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReaderSync#readAsDataURL()", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": true }, "edge_mobile": { "version_added": true }, "firefox": { "version_added": "8" }, "firefox_android": { "version_added": "8" }, "ie": { "version_added": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "readAsText": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/FileReaderSync#readAsBinaryText()", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": true }, "edge_mobile": { "version_added": true }, "firefox": { "version_added": "8" }, "firefox_android": { "version_added": "8" }, "ie": { "version_added": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "service_workers_support": { "__compat": { "description": "Service workers support", "support": { "chrome": { "version_added": true, "version_removed": "59" }, "chrome_android": { "version_added": true, "version_removed": "59" }, "edge": { "version_added": null }, "edge_mobile": { "version_added": null }, "firefox": { "version_added": true, "version_removed": "61" }, "firefox_android": { "version_added": true, "version_removed": "61" }, "ie": { "version_added": false }, "opera": { "version_added": true, "version_removed": "46" }, "opera_android": { "version_added": true, "version_removed": "46" }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "webview_android": { "version_added": true, "version_removed": "59" } }, "status": { "experimental": false, "standard_track": false, "deprecated": true } } } } } }