Da fehlt eine ja auch eine Zeile:
tabContextMenu.insertBefore(document.getElementById('context_closeTabsToTheStart'), refItem);
z.B.: Zwischen Zeile 7 und 8...Die Reihenfolge bestimmt die Position...
Bei mir ist das Zeile 11:
JavaScript
(function() {
if (!window.gBrowser)
return;
let menuitem = document.createXULElement('menuitem');
menuitem.id = 'context_closeLeftTabs';
menuitem.setAttribute('label', 'Linke Tabs schließen');
let tabContextMenu = document.getElementById('tabContextMenu');
let refItem = document.getElementById('context_closeTab');
tabContextMenu.insertBefore(document.getElementById('context_closeTabsToTheStart'), refItem);
tabContextMenu.insertBefore(document.getElementById('context_closeTabsToTheEnd'), refItem);
tabContextMenu.insertBefore(document.getElementById('context_closeOtherTabs'), refItem);
//tabContextMenu.removeChild(document.getElementById('context_closeTabOptions'));
//click
menuitem.addEventListener('click', () => {
if (event.button == 0) {
for (let i = TabContextMenu.contextTab._tPos - 1; i >= 0; i--)gBrowser.removeTab(gBrowser.tabs[i], {animate: true});
}
});
/**/
var css =`
#context_closeTabsToTheStart {
order: -1 !important;
}
#context_closeTabsToTheEnd {
order: -1 !important;
}
#context_closeOtherTabs {
order: -1 !important;
}
`;
var sss = Cc['@mozilla.org/content/style-sheet-service;1'].getService(Ci.nsIStyleSheetService);
var uri = makeURI('data:text/css;charset=UTF=8,' + encodeURIComponent(css));
sss.loadAndRegisterSheet(uri, sss.AUTHOR_SHEET);
})();
