![]() 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 URL encoding an image of the visible area of the currently active tab in the specified window. TypesĬreates a data URL 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.
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