Fx4标签栏置底脚本

(function() {
  var addonBar = document.getElementById("addon-bar");
  var tabsToolbar = document.getElementById("TabsToolbar");
  if (addonBar && tabsToolbar) {
    addonBar.currentSet = tabsToolbar.currentSet + "," + addonBar.currentSet;
    addonBar.setAttribute("currentset", addonBar.currentSet);
    addonBar.collapsed = false;
  }
})();

(function() {
  var addonBar = document.getElementById("addon-bar");
  var tabsToolbar = document.getElementById("TabsToolbar");
  if (addonBar && tabsToolbar) {
    let ids = addonBar.currentSet.split(",");
    let start = ids.indexOf("tabbrowser-tabs");
    let end = ids.indexOf("tabs-closebutton");
    if (start > -1) {
      let currentSet = ids.splice(start, Math.max(end - start + 1, 1)).join(",");
      addonBar.currentSet = ids.join(",");
      addonBar.setAttribute("currentset", addonBar.currentSet);

      tabsToolbar.currentSet = currentSet + "," + tabsToolbar.currentSet;
      tabsToolbar.setAttribute("currentset", tabsToolbar.currentSet);
      tabsToolbar.collapsed = false;
    }
  }
})();