Facebook Block Infinitescroll

fyfacebook.js

// ==UserScript==
// @name         Facebook Block Infinitescroll
// @namespace    https://mackaber.me/
// @version      0.1
// @description  Blocks Facebook to infinite scroll
// @author       Mackaber
// @match        https://m.facebook.com/
// @grant        none
// ==/UserScript==

(function() {
	'use strict';
	window.counter = 0;
	document.getElementById("MNewsFeed").addEventListener("DOMNodeInserted", function(){ 
		window.counter++;
		if(window.counter > 15){
			var warning = document.createElement("div");
			warning.innerHTML = "TIME TO DO SOMETHING USEFUL!";
			warning.style.fontSize = "50px";
			warning.style.position = "relative";
			warning.style.textAlign = "center";
			warning.style.top = "20px";
			warning.style.height = "50px";
			warning.style.color = "red";
			document.getElementById("MNewsFeed").lastElementChild.remove();
			document.getElementById("m_newsfeed_stream").appendChild(warning);
		}
	});
})();