"utf-8" : "gbk"); } }, { label: "关闭所有标签页", oncommand: "gBrowser.removeAllTabsBut(gBrowser.addTab('about:newtab'));", insertAfter:"context_closeOtherTabs", accesskey: "Q" }, { label: "复制所有标签标题+地址", class: "copy", oncommand: function(){ var text = ...