progress bar

to show the progress bar intuitively!

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         progress bar
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  to show the progress bar intuitively!
// @author       SAMYJ1
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var myProgressObj = {
        progress: function progress() {
            var pro = document.createElement('div');
            document.body.appendChild(pro);
            window.addEventListener('scroll', function () {
                var a = document.body.scrollTop;
                var b = document.body.scrollHeight;
                var c = window.innerHeight;
                var progressLength = a / (b - c) * 100;
                pro.setAttribute('style', 'position:fixed;top:0;left:0;height:3px;background-color:#0A74DA;width:' + progressLength + '%;z-index:1000000000;');
            });
        }
    };
    myProgressObj.progress();
})();