INSERT-TAB.bookmarklet.js

// ==Bookmarklet==
// @name         Tab ↦
// @description  Insert tabulation character
// @version      2024.12.4
// @author       jesus2099
// @created      long time ago
// ==/Bookmarklet==

document.activeElement.setRangeText("\t", document.activeElement.selectionStart, document.activeElement.selectionEnd, "end");

// Temporary Vivaldi VB-45352 VB-66045 VB-78168 VB-82445 VB-105297
// workaround from https://forum.vivaldi.net/post/744329
if (history.replaceState) history.replaceState({}, null, location.href);