Browser support for JavaScript APIs

alarms

	Chrome	Edge	Firefox	Firefox for Android	Opera
Alarm	Yes	No	45.0	48.0	33
clear	Yes	No	45.0	48.0	33
clearAll	Yes	No	45.0	48.0	33
create	Yes	No	45.0	48.0	33
get	Yes	No	45.0	48.0	33
getAll	Yes	No	45.0	48.0	33
onAlarm	Yes	No	45.0	48.0	33

bookmarks

	Chrome	Edge	Firefox	Firefox for Android	Opera
BookmarkTreeNode	Yes	No	45.0	No	33
BookmarkTreeNodeUnmodifiable	Yes	No	45.0	No	33
CreateDetails	Yes	No	45.0	No	33
create	Yes	No	45.0	No	33
export	Yes	No	No	No	33
get	Yes	No	45.0	No	33
getChildren	Yes	No	45.0	No	33
getRecent	Yes	No	47.0	No	33
getSubTree	Yes	No	45.0	No	33
getTree	Yes	No	45.0	No	33
import	Yes	No	No	No	33
move	Yes	No	45.0	No	33
onChanged	Yes	No	No	No	33
onChildrenReordered	Yes	No	No	No	33
onCreated	Yes	No	No	No	33
onImportBegan	Yes	No	No	No	33
onImportEnded	Yes	No	No	No	33
onMoved	Yes	No	No	No	33
onRemoved	Yes	No	No	No	33
remove	Yes	No	45.0	No	33
removeTree	Yes	No	47.0	No	33
search	Yes	No	47.0	No	33
update	Yes	No	45.0	No	33

browserAction

	Chrome	Edge	Firefox	Firefox for Android	Opera
ColorArray	Yes	Yes	45.0	No	33
ImageDataType	Yes	Yes	45.0	No	33
disable	Yes	Yes	45.0	No	33
enable	Yes	Yes	45.0	No	33
getBadgeBackgroundColor	Yes	Yes	45.0	No	33
getBadgeText	Yes	Yes	45.0	No	33
getPopup	Yes	No	45.0	No	33
getTitle	Yes	No	45.0	No	33
onClicked	Yes	Yes	45.0	No	33
setBadgeBackgroundColor	Yes	Yes	45.0	No	33
setBadgeText	Yes	Yes	45.0	No	33
setIcon	Yes	Yes	45.0	No	33
setPopup	Yes	No	45.0	No	33
setTitle	Yes	No	45.0	No	33

commands

	Chrome	Edge	Firefox	Firefox for Android	Opera
Command	Yes	No	48.0	No	33
getAll	Yes	No	48.0	No	33
onCommand	Yes	No	48.0	No	33

contextMenus

	Chrome	Edge	Firefox	Firefox for Android	Opera
ACTION_MENU_TOP_LEVEL_LIMIT	Yes	Yes	48.0	No	33
ContextType	Yes	Yes *	48.0 *	No	33
ItemType	Yes	Yes	48.0	No	33
OnClickData	Yes	Yes	48.0	No	33
create	Yes	Yes	48.0 *	No	33
onClicked	Yes	Yes	48.0	No	33
remove	Yes	Yes	48.0	No	33
removeAll	Yes	Yes	48.0	No	33
update	Yes	Yes	48.0 *	No	33

cookies

	Chrome	Edge	Firefox	Firefox for Android	Opera
Cookie	Yes	Yes	45.0	48.0	33
CookieStore	Yes	Yes	45.0	48.0	33
OnChangedCause	Yes	No	45.0	48.0	33
get	Yes	Yes	45.0	48.0	33
getAll	Yes	Yes *	45.0	48.0	33
getAllCookieStores	Yes	Yes *	45.0	48.0	33
onChanged	Yes	No	45.0	48.0	33
remove	Yes	Yes	45.0	48.0	33
set	Yes	Yes	45.0	48.0	33

downloads

	Chrome	Edge	Firefox	Firefox for Android	Opera
BooleanDelta	Yes	No	47.0	48.0	33
DangerType	Yes	No	47.0	48.0	33
DoubleDelta	Yes	No	47.0	48.0	33
DownloadItem	Yes	No	47.0	48.0	33
DownloadQuery	Yes	No	47.0	48.0	33
DownloadTime	Yes	No	47.0	48.0	33
FilenameConflictAction	Yes	No	47.0 *	48.0 *	33
InterruptReason	Yes	No	47.0	48.0	33
State	Yes	No	47.0	48.0	33
StringDelta	Yes	No	47.0	48.0	33
acceptDanger	Yes	No	No	No	33
cancel	Yes	No	48.0	48.0	33
download	Yes	No	47.0 *	48.0	33
drag	Yes	No	No	No	33
erase	Yes	No	48.0	48.0	33
getFileIcon	Yes	No	No	No	33
onChanged	Yes	No	47.0	48.0	33
onCreated	Yes	No	48.0	48.0	33
onErased	Yes	No	48.0	48.0	33
open	Yes	No	48.0	48.0	33
pause	Yes	No	48.0	48.0	33
removeFile	Yes	No	48.0	48.0	33
resume	Yes	No	48.0	48.0	33
search	Yes	No	47.0	48.0	33
setShelfEnabled	Yes	No	No	No	33
show	Yes	No	48.0	48.0	33
showDefaultFolder	Yes	No	48.0	48.0	33

events

	Chrome	Edge	Firefox	Firefox for Android	Opera
Event	Yes	Yes	No	No	33
Rule	Yes	Yes	No	No	33
UrlFilter	Yes	Yes	50.0	50.0	33

extension

	Chrome	Edge	Firefox	Firefox for Android	Opera
ViewType	Yes	No	45.0	48.0	33
getBackgroundPage	Yes	Yes	45.0	48.0	33
getExtensionTabs	Yes	No	No	No	No
getURL	Yes	Yes	45.0	48.0	33
getViews	Yes	No	45.0	48.0	33
inIncognitoContext	Yes	No	45.0	48.0	33
isAllowedFileSchemeAccess	Yes	No	48.0	48.0	33
isAllowedIncognitoAccess	Yes	No	48.0	48.0	33
lastError	Yes	No	47.0	48.0	33
onRequest	Yes	No	No	No	33
onRequestExternal	Yes	No	No	No	33
sendRequest	Yes	No	No	No	No
setUpdateUrlData	Yes	No	No	No	33

extensionTypes

	Chrome	Edge	Firefox	Firefox for Android	Opera
ImageDetails	Yes	Yes	45.0	48.0	33
ImageFormat	Yes	Yes	45.0	48.0	33
InjectDetails	Yes	Yes	45.0 *	48.0	No
RunAt	Yes	Yes	45.0	48.0	33

history

	Chrome	Edge	Firefox	Firefox for Android	Opera
HistoryItem	Yes	No	49.0 *	No	33
TransitionType	Yes	No	50.0	No	33
VisitItem	Yes	No	50.0	No	33
addUrl	Yes *	No	49.0	No	33 *
deleteAll	Yes	No	49.0	No	33
deleteRange	Yes	No	49.0	No	33
deleteUrl	Yes	No	49.0	No	33
getVisits	Yes	No	50.0	No	33
onVisitRemoved	Yes	No	50.0	No	33
onVisited	Yes	No	50.0	No	33
search	Yes	No	49.0	No	33

i18n

	Chrome	Edge	Firefox	Firefox for Android	Opera
LanguageCode	Yes	Yes	45.0	48.0	33
detectLanguage	Yes	No	47.0	48.0	33
getAcceptLanguages	Yes	Yes	47.0	48.0	33
getMessage	Yes	Yes	45.0	48.0	33
getUILanguage	Yes	Yes	47.0	48.0	No

idle

	Chrome	Edge	Firefox	Firefox for Android	Opera
IdleState	Yes	No	45.0	48.0	33
onStateChanged	Yes	No	No	No	33
queryState	Yes	No	45.0 *	48.0 *	33
setDetectionInterval	Yes	No	No	No	33

management

	Chrome	Edge	Firefox	Firefox for Android	Opera
ExtensionInfo	Yes	No	51.0 *	51.0 *	Yes
get	Yes	No	No	No	Yes
getAll	Yes	No	No	No	Yes
getPermissionWarningsById	Yes	No	No	No	Yes
getPermissionWarningsByManifest	Yes	No	No	No	Yes
getSelf	Yes	No	51.0	51.0	No
onDisabled	Yes	No	No	No	Yes
onEnabled	Yes	No	No	No	Yes
onInstalled	Yes	No	No	No	Yes
onUninstalled	Yes	No	No	No	Yes
setEnabled	Yes	No	No	No	Yes
uninstall	Yes	No	No	No	Yes
uninstallSelf	Yes	No	51.0	51.0	Yes

notifications

	Chrome	Edge	Firefox	Firefox for Android	Opera
NotificationOptions	Yes	No	45.0 *	48.0 *	33
TemplateType	Yes	No	45.0 *	48.0 *	33 *
clear	Yes	No	45.0	48.0	33
create	Yes	No	45.0	48.0	33
getAll	Yes	No	45.0	48.0	33
onButtonClicked	Yes	No	No	No	33
onClicked	Yes	No	47.0	48.0	33
onClosed	Yes	No	45.0 *	48.0 *	33
update	Yes	No	No	No	33 *

pageAction

	Chrome	Edge	Firefox	Firefox for Android	Opera
ImageDataType	Yes	No	45.0	No	33
getPopup	Yes	Yes	45.0	50.0 *	33
getTitle	Yes	Yes	45.0	No	33
hide	Yes	Yes	45.0	50.0 *	33
onClicked	Yes	Yes	45.0	50.0	33
setIcon	Yes	Yes *	45.0	No	33
setPopup	Yes	Yes	45.0	50.0 *	33
setTitle	Yes	Yes	45.0	No	33
show	Yes	Yes	45.0	50.0 *	33

runtime

	Chrome	Edge	Firefox	Firefox for Android	Opera
MessageSender	Yes	Yes	45.0	48.0	33
OnInstalledReason	Yes	Yes	45.0	48.0	33
OnRestartRequiredReason	Yes	No	45.0	48.0	33
PlatformArch	Yes	No	45.0	48.0	33
PlatformInfo	Yes	No	45.0 *	48.0 *	33
PlatformNaclArch	Yes	No	45.0	48.0	33
PlatformOs	Yes	No	45.0	48.0	33
Port	Yes	No	45.0	48.0	33
RequestUpdateCheckStatus	Yes	No	No	No	33
connect	Yes	No	45.0	48.0	33
connectNative	Yes	No	50.0	No	33
getBackgroundPage	Yes	Yes	45.0	48.0	33
getBrowserInfo	No	No	51.0	51.0	No
getManifest	Yes	Yes	45.0	48.0	33
getPackageDirectoryEntry	Yes	No	No	No	33
getPlatformInfo	Yes	No	45.0	48.0	33
getURL	Yes	Yes	45.0	48.0	33
id	Yes	Yes	45.0	48.0	33
lastError	Yes *	Yes	47.0	48.0	33 *
onBrowserUpdateAvailable	Yes	No	No	No	33
onConnect	Yes	No	45.0	48.0	33
onConnectExternal	Yes	No	No	No	33
onInstalled	Yes	Yes	No	No	33
onMessage	Yes	Yes *	45.0	48.0	33
onMessageExternal	Yes	No	No	No	33
onRestartRequired	Yes	No	No	No	33
onStartup	Yes	No	No	48.0	33
onSuspend	Yes	No	No	No	33
onSuspendCanceled	Yes	No	No	No	33
onUpdateAvailable	Yes	No	51.0	51.0	33
openOptionsPage	Yes	No	48.0	No	33
reload	Yes	No	51.0	51.0	33
requestUpdateCheck	Yes	No	No	No	33
sendMessage	Yes	Yes *	45.0	48.0	33
sendNativeMessage	Yes	No	50.0	No	33
setUninstallURL	Yes	No	47.0	48.0	33

storage

	Chrome	Edge	Firefox	Firefox for Android	Opera
StorageArea	Yes	Yes	45.0	48.0	33
StorageArea.clear	Yes	Yes	45.0	48.0	33
StorageArea.get	Yes	Yes	45.0	48.0	33
StorageArea.getBytesInUse	Yes	Yes	No	No	33
StorageArea.remove	Yes	Yes	45.0	48.0	33
StorageArea.set	Yes	Yes *	45.0	48.0	33
StorageChange	Yes	Yes	45.0	48.0	33
local	Yes	Yes	45.0 *	48.0	33
managed	Yes	No	No	No	No
onChanged	Yes	Yes	45.0	48.0	33
sync	Yes	No	No	No	No

tabs

	Chrome	Edge	Firefox	Firefox for Android	Opera
MutedInfo	Yes	No	47.0	No	33
MutedInfoReason	Yes	No	47.0	No	33
TAB_ID_NONE	Yes	Yes	45.0	No	33
Tab	Yes	Yes *	45.0	No	33
TabStatus	Yes	Yes	45.0	No	33
WindowType	Yes	Yes	45.0	No	33
ZoomSettings	Yes	No	45.0	No	33
ZoomSettingsMode	Yes	No	45.0	No	33
ZoomSettingsScope	Yes	No	45.0	No	33
captureVisibleTab	Yes	No	47.0	No	33
connect	Yes	No	45.0	No	33
create	Yes	Yes *	45.0 *	No	33
detectLanguage	Yes	Yes	45.0	No	33
duplicate	Yes	No	47.0	No	33
executeScript	Yes	Yes	43.0 *	No	33
get	Yes	Yes	45.0	No	33
getAllInWindow	Yes	No	45.0	No	No
getCurrent	Yes	Yes	45.0	No	33
getSelected	Yes	No	No	No	No
getZoom	Yes	No	45.0	No	33
getZoomSettings	Yes	No	45.0	No	33
highlight	Yes	No	No	No	No
insertCSS	Yes	Yes	47.0 *	No	33
move	Yes	No	46.0	No	33
onActivated	Yes	Yes	45.0	No	33
onActiveChanged	Yes	No	No	No	No
onAttached	Yes	No	45.0	No	33
onCreated	Yes	Yes	45.0	No	33
onDetached	Yes	No	45.0	No	33
onHighlightChanged	Yes	No	No	No	No
onHighlighted	Yes	No	45.0	No	No
onMoved	Yes	No	45.0	No	33
onRemoved	Yes	Yes	45.0	No	33
onReplaced	Yes	No	45.0	No	33
onSelectionChanged	Yes	No	No	No	No
onUpdated	Yes	Yes	45.0	No	33
onZoomChange	Yes	No	45.0	No	33
query	Yes	Yes *	45.0 *	No	33
reload	Yes	No	45.0	No	33
remove	Yes	Yes	45.0	No	33
removeCSS	No	No	49.0 *	No	No
sendMessage	Yes	Yes	45.0	No	33
sendRequest	Yes	No	No	No	No
setZoom	Yes	No	45.0	No	33
setZoomSettings	Yes	No	45.0	No	33
update	Yes	Yes *	45.0 *	No	33

webNavigation

	Chrome	Edge	Firefox	Firefox for Android	Opera
TransitionQualifier	Yes	No	48.0 *	48.0 *	33
TransitionType	Yes	No	48.0 *	48.0 *	33
getAllFrames	Yes	Yes	47.0	48.0	33
getFrame	Yes	Yes	47.0	48.0	33
onBeforeNavigate	Yes *	Yes *	45.0 *	48.0 *	33 *
onCommitted	Yes *	Yes *	45.0 *	48.0 *	33 *
onCompleted	Yes *	Yes *	45.0 *	48.0 *	33 *
onCreatedNavigationTarget	Yes	Yes	No	No	33
onDOMContentLoaded	Yes *	Yes *	45.0 *	48.0 *	33 *
onErrorOccurred	Yes *	Yes *	45.0 *	48.0 *	33 *
onHistoryStateUpdated	Yes	Yes *	47.0 *	48.0	33
onReferenceFragmentUpdated	Yes *	Yes *	45.0 *	48.0 *	33 *
onTabReplaced	Yes	Yes	No	No	33

webRequest

	Chrome	Edge	Firefox	Firefox for Android	Opera
BlockingResponse	Yes	Yes	45.0	48.0	33
HttpHeaders	Yes	Yes	45.0	48.0	33
MAX_HANDLER_BEHAVIOR_CHANGED_CALLS_PER_10_MINUTES	Yes	No	45.0	48.0	33
RequestFilter	Yes	Yes	45.0 *	48.0 *	33
ResourceType	Yes	Yes	45.0	48.0	33
UploadData	Yes	Yes	45.0	48.0	33
handlerBehaviorChanged	Yes	Yes	45.0	48.0	33
onAuthRequired	Yes	Yes	No	No	33
onBeforeRedirect	Yes *	Yes	46.0 *	48.0	33 *
onBeforeRequest	Yes *	Yes	46.0 *	48.0 *	33 *
onBeforeSendHeaders	Yes *	Yes	45.0 *	48.0	33 *
onCompleted	Yes *	Yes	45.0 *	48.0	33 *
onErrorOccurred	Yes *	Yes	45.0 *	48.0	33 *
onHeadersReceived	Yes *	Yes	45.0 *	48.0	33 *
onResponseStarted	Yes *	Yes	45.0 *	48.0	33 *
onSendHeaders	Yes *	Yes	45.0 *	48.0	33 *

windows

	Chrome	Edge	Firefox	Firefox for Android	Opera
CreateType	Yes	Yes	45.0	No	33
WINDOW_ID_CURRENT	Yes	Yes	45.0	No	33
WINDOW_ID_NONE	Yes	Yes	45.0	No	33
Window	Yes	Yes *	45.0	No	33
WindowState	Yes	Yes	45.0	No	33
WindowType	Yes	Yes	45.0	No	33
create	Yes	Yes	45.0 *	No	33
get	Yes	Yes	45.0	No	33
getAll	Yes	Yes	45.0	No	33
getCurrent	Yes	Yes	45.0	No	33
getLastFocused	Yes	Yes	45.0	No	33
onCreated	Yes	Yes	45.0	No	33
onFocusChanged	Yes	Yes	45.0	No	33
onRemoved	Yes	No	45.0	No	33
remove	Yes	No	45.0	No	33
update	Yes	Yes	45.0	No	33

Acknowledgements

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.