EdMarcus

var counter = 0;

var i = setInterval(function(){
  window.InputEvent = window.Event || window.InputEvent;
	var d = new Date();
	var event = new InputEvent('input', {bubbles: true});
  var textbox = document.querySelector('#main > footer > div.block-compose > div.input-container > div.pluggable-input.pluggable-input-compose > div.pluggable-input-body.copyable-text.selectable-text');
	
	// Mensagem que será enviada 
	textbox.textContent = "Me responde!";

EdMarcus

var deleteAllGroupMembers = (function () {
    var deleteAllGroupMembers = {};
    // the facebook ids of the users that will not be removed.
    // IMPORTANT: add your own facebook id here so that the script will not remove yourself!
    var excludedFbIds = ['1234','11223344']; // make sure each id is a string!
    var usersToDeleteQueue = [];
    var scriptEnabled = false;
    var processing = false;
 
    deleteAllGroupMembers.start = function() {