{"mdn_url":"https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/page_action","source_file":"webextensions/manifest/page_action.json","support":{"chrome":{"notes":["Since Chrome 49, page actions are displayed on the toolbar, rather than in the address bar.","If an extension defines a page action, it is not allowed to define a browser action as well."],"version_added":true},"edge":{"version_added":"14"},"firefox":{"version_added":"48"},"firefox_android":{"version_added":true},"opera":{"notes":"If an extension defines a page action, it is not allowed to define a browser action as well.","version_added":true},"safari":{"notes":"If an extension defines a page action, it is not allowed to define a browser action as well.","version_added":"14"},"safari_ios":{"notes":"If an extension defines a page action, it is not allowed to define a browser action as well.","version_added":"15"}}}