tabs.Tab

This type contains information about a tab.

Type

Values of this type are objects. They contain the following properties:

idOptional

integer. The ID of the tab. Tab IDs are unique within a browser session. Under some circumstances a Tab may not be assigned an ID, for example when querying foreign tabs using the sessions API, in which case a session ID may be present. Tab ID can also be set to tabs.TAB_ID_NONE for apps and devtools windows.

index

integer. The zero-based index of the tab within its window.

windowId

integer. The ID of the window the tab is contained within.

openerTabIdOptional

integer. The ID of the tab that opened this tab, if any. This property is only present if the opener tab still exists.

selected

boolean. Whether the tab is selected.

highlighted

boolean. Whether the tab is highlighted.

active

boolean. Whether the tab is active in its window. (Does not necessarily mean the window is focused.)

pinned

boolean. Whether the tab is pinned.

audibleOptional

boolean. If the tab is not muted: whether the tab is producing sound. If the tab is muted: whether the tab would be producing sound, if it were not muted.

mutedInfoOptional

tabs.MutedInfo. Current tab muted state and the reason for the last state change.

urlOptional

string. The URL the tab is displaying. This property is only present if the extension's manifest includes the "tabs" permission.

titleOptional

string. The title of the tab. This property is only present if the extension's manifest includes the "tabs" permission.

favIconUrlOptional

string. The URL of the tab's favicon. This property is only present if the extension's manifest includes the "tabs" permission. It may also be an empty string if the tab is loading.

statusOptional

string. Either loading or complete.

incognito

boolean. Whether the tab is in an incognito window.

widthOptional

integer. The width of the tab in pixels.

heightOptional

integer. The height of the tab in pixels.

sessionIdOptional

string. The session ID used to uniquely identify a Tab obtained from the sessions API.

Browser compatibility

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