Go back to the previous page, if one is available. Go forward to the next page, if one is available. Gets the current zoom settings for the specified tab. Gets the current zoom factor of the specified tab.
Gets the tab that is selected in the specified window. Gets information about the tab that this script is running in, as a tabs.Tab object. Gets details about all tabs in the specified window. Retrieves details about the specified tab. tabs.create()ĭetects the primary language of the content in a tab. Sets up a messaging connection between the extension's background scripts (or other privileged scripts, such as popup scripts or options page scripts) and any content scripts running in the specified tab. tabs.captureVisibleTab()Ĭreates a data URI encoding an image of the visible area of the currently active tab in the specified window. TypesĬreates a data URI encoding an image of the visible area of the given tab. To associate information with a tab across browser restarts, use tTabValue(). If the browser is restarted, then it can and will reuse tab ids. Tab ids are guaranteed to be unique to a single tab only within a browser session. To use tabs.executeScript() or tabs.insertCSS(), you must have the host permission for the tabĪlternatively, you can get these permissions temporarily, only for the currently active tab and only in response to an explicit user action, by asking for the "activeTab" permission.In Firefox 85 and earlier, the "tabs" permission was required instead. Access to these properties by host permissions is supported since Firefox 86 and Chrome 50.To access Tab.url, Tab.title, and Tab.favIconUrl (or to filter by these properties via tabs.query()), you need to have the "tabs" permission, or have host permissions that match Tab.url.You can use most of this API without any special permission. You can't directly access the content hosted by tabs using this API, but you can insert JavaScript and CSS into tabs using the tabs.executeScript() or tabs.insertCSS() APIs. You can use this API to get a list of opened tabs, filtered by various criteria, and to open, update, move, reload, and remove tabs.
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