Website AutoScroll

Automatically scroll through any webpage!

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Website AutoScroll
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Automatically scroll through any webpage!
// @author       Calvin H
// @match        *://*/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    var minClamp = 1;
    var maxClamp = 10000; // Change this to modify max possible pixels per second

    var popupVariable;
    var pixelsPerFrame = 1;

    var scrollState = true;

    window.addEventListener('keydown', function(event) {
        if (event.keyCode === 72 && (event.ctrlKey || event.metaKey)) {
            popupVariable = prompt("How many pixels per second would you like to AutoScroll? (" + minClamp + "-" + maxClamp + "). Just manually scroll in order to stop the AutoScroll.");
            scrollState = false;
            popupVariable = clamp(popupVariable);
            scrollInterval = 1000/popupVariable;
            pixelsPerFrame = 1;
            if (popupVariable > 100) {
                scrollInterval = 10;
                pixelsPerFrame = popupVariable/100
            }
            clearInterval(scrollIntervalId);
            scrollIntervalId = window.setInterval(scrollDown, scrollInterval);
        }
    }, false);

    var scrollIntervalId;
    var scrollInterval;

    function scrollDown() {
        if (!scrollState) {
        window.scrollBy(0, pixelsPerFrame);
            console.log(pixelsPerFrame);
        }
    }

    function clamp(num) {
        return Math.max(minClamp, Math.min(num, maxClamp));
    }

    window.addEventListener('wheel', function(e) {
        if (!scrollState) {
            scrollState = true;
        }
    }, false);
})();