Remove email address from title bar on Gmail, Outlook.com, Office365, and Yahoo Mail
// ==UserScript== // @name Hide Email Address From Title Bar // @author Jefferson "jscher2000" Scher // @namespace JeffersonScher // @version 0.5 // @copyright Copyright 2018 Jefferson Scher // @license BSD-3-Clause // @description Remove email address from title bar on Gmail, Outlook.com, Office365, and Yahoo Mail // @include https://mail.google.com/* // @include https://outlook.live.com/* // @include https://outlook.office.com/* // @include https://outlook.office365.com/* // @include https://mail.yahoo.com/* // @grant none // ==/UserScript== function cleanTitle(){ //console.log('Called cleanTitle'); if (document.title.indexOf('@') > -1) { var titleparts = document.title.split(' '), titlenew = ''; for (var i=0; i<titleparts.length; i++){ if (titleparts[i].indexOf('@') < 0){ titlenew += titleparts[i] + ' '; } else { if (location.hostname.indexOf('outlook.live') > -1) titlenew += 'Outlook '; if (location.hostname.indexOf('outlook.office') > -1) titlenew += 'Office365 '; } } titlenew = titlenew.replace('- - ', '- ').trim(); document.title = titlenew; } } function setMutationWatch(){ MutOb = (window.MutationObserver) ? window.MutationObserver : window.WebKitMutationObserver; if (MutOb){ chgMon = new MutOb(function(mutationSet){ mutationSet.forEach(function(mutation){ for (var i=0; i<mutation.addedNodes.length; i++){ if (mutation.addedNodes[i].nodeType == 1){ // Ignore some common nodes if ('LINK|META|SCRIPT|STYLE'.indexOf(mutation.addedNodes[i].nodeName) < -1) cleanTitle(); } else { // There are rare but critical cleanTitle(); } } }); }); // attach chgMon to <head> opts = {childList: true, subtree: true, attributes: false, characterData: false}; chgMon.observe(document.getElementsByTagName('head')[0], opts); } } cleanTitle(); setMutationWatch();