colore barra facebook ramdom figuccio

cambia colori random

// ==UserScript==
// @name          colore barra facebook ramdom figuccio
// @namespace     https://greasyfork.org/users/237458
// @version       1.1
// @author        figuccio
// @description   cambia  colori random
// @match         https://*.facebook.com/*
// @match         https://*.facebook.com/me/*
// @grant         GM_addStyle
// @grant         GM_setValue
// @grant         GM_getValue
// @grant         GM_registerMenuCommand
// @run-at        document start
// @icon          https://www.google.com/s2/favicons?domain=facebook.com
// @require       https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
// @license        MIT
// @noframes
// ==/UserScript==
(function() {
    'use strict';
     ////////////////////////////////////
    var Button = document.createElement('button');
    document.getElementsByTagName('body')[0].appendChild(Button);
    Button.setAttribute ('id', 'prova');
    Button.setAttribute ('title', 'cambio colore');
    Button.setAttribute('class', 'test');
    Button.style = "position:absolute;top:370px;right:0px;z-index:9999999999999999999999;background-color:yellow;color:black;padding:5px;border-radius: 5px;border-color:green;";
    Button.innerHTML = "cambia colore fb random";
 ////////////////////////////////////////////////////body,
const colors = document.getElementById('prova');
let index = 0;

 $(document).ready(function() {
 $('button').click(function() {
 const colors = ["blue","salmon", "green", "violet", "red","orange","purple","pink","Yellow","Cyan","#0099cc","#587b2e","#990000","#000000","#1C8200","#987baa","#981890","#AA8971","#1987FC","#99081E"];
              GM_setValue('lista', colors[index]);
     ///////////////////////////////////barra facebook
$('body,#blueBarDOMInspector>div, #blueBarDOMInspector div[role="banner"], #fb2k_pagelet_bluebar>#blueBarDOMInspector>div>div, div[aria-label="Facebook"][role="navigation"]').css("background",GM_getValue("lista"));
     //////////////////////////////////////////
     var body = Math.floor(Math.random() * colors.length);
     var selectedcolor = colors[index];
     $('body,#blueBarDOMInspector>div, #blueBarDOMInspector div[role="banner"], #fb2k_pagelet_bluebar>#blueBarDOMInspector>div>div, div[aria-label="Facebook"][role="navigation"]').css("background",selectedcolor);
     Button.innerHTML = "&nbsp;cambio colore <br/>&nbsp;" + selectedcolor;
                     //button dello stesso colore pagina
                    Button.style.backgroundColor = selectedcolor;
                     //colore testo button
                    Button.style.color = 'white';
     index = index >= colors.length - 1 ? 0 : index + 1;
            });
});

////////////////////////////////
    })();

 function myFunctionnasc() {
 if(prova.style.display = (prova.style.display!='none') ? 'none' : 'block');}

GM_registerMenuCommand("mostra pulsante/nascondi",myFunctionnasc);
/////////////////////////////////////////////////
                 if(GM_getValue('lista')){
                 $('#Button').val(GM_getValue('lista'));
                 document.getElementById('prova').value =GM_getValue('lista');
                 document.body.style.backgroundColor=GM_getValue('lista');
                     //barra facebook
 $('body,#blueBarDOMInspector>div, #blueBarDOMInspector div[role="banner"], #fb2k_pagelet_bluebar>#blueBarDOMInspector>div>div, div[aria-label="Facebook"][role="navigation"]').css("background",GM_getValue("lista"));

    }