{"mdn_url":"https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/webNavigation/onTabReplaced","source_file":"webextensions/api/webNavigation.json","support":{"chrome":{"version_added":true},"edge":{"version_added":true},"firefox":{"notes":"Although you can add listeners for this event, it will never fire because the underlying functionality is not supported.","version_added":"45"},"firefox_android":{"notes":"Although you can add listeners for this event, it will never fire because the underlying functionality is not supported.","version_added":"48"},"opera":{"version_added":true},"safari":{"version_added":false},"safari_ios":{"version_added":false}}}