"use strict"; let $in = $(`#${findChat()}`).find('> div'); let message = 'yes'; let num = 50; for (let i = 0; i < num; i++) { $in.html(message); $('#send-message-button').click(); } function findChat() { let name = []; // Array because it can return more than one element document .querySelectorAll('div[id^="cke_"]') .forEach(e => { if (e.id.includes('contents')) { name.push(e.id); }; }); return name[0]; // First element always should be the right one } // Script by Roki written at 26.10.2020