および gBrowser.reloadAllTabs(); を var l = gBrowser.mPanelContainer.childNodes.length; for (var i = 0; i < l; i++) { try { gBrowser.getBrowserAtIndex(i).reloadWithFlags(nsIWebNavigation.LOAD_FLAGS_BYPASS_PROXY | nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE); } catch (e) { // ignore failure to reload so others will be reloaded } }