IA21

// ==UserScript==
// @name         MAL random
// @version      4
// @description  picks random anime/manga from your MAL animelist/mangalist pages
// @author       IA21
// @match        https://myanimelist.net/mangalist/*
// @match        https://myanimelist.net/animelist/*
// @grant        none
// ==/UserScript==

IA21

javascript:(function(){

function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
}

 var e = document.createElement("span");
    e.innerHTML = "random&nbsp&nbsp&nbsp";
    e.style.color = "white";
    e.style.cursor = "pointer";