Disable Page UpDown Animation

Disable animation and add up and down button, based on Eink-UpDown by Sonny Zhao

Version au 15/07/2023. Voir la dernière version.

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// ==UserScript==
// @name         Disable Page UpDown Animation
// @namespace    https://greasyfork.org/zh-CN/users/1111205-geekfox
// @version      1
// @description  Disable animation and add up and down button, based on Eink-UpDown by Sonny Zhao
// @author       GeekFox
// @match        *://*/*
// @grant        none
// @run-at       document-body
// @license      MIT
// ==/UserScript==
(function () {
    'use strict';
    const scrollRatio = 0.9;

    // 添加全局键盘事件监听器
    document.addEventListener('keydown', function (e) {
        // 检查是否在输入元素中
        const inInput = (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA' || e.target.isContentEditable);

        if (!inInput) {
            if (e.code === 'Space') {
                // 如果按住Shift键，向上滚动
                // 否则，向下滚动
                window.scrollBy(0, (e.shiftKey ? -1 : 1) * scrollRatio * window.innerHeight);
                e.preventDefault();
            } else if (e.code === 'PageDown') {
                window.scrollBy(0, scrollRatio * window.innerHeight);
                e.preventDefault();
            } else if (e.code === 'PageUp') {
                window.scrollBy(0, -scrollRatio * window.innerHeight);
                e.preventDefault();
            }
        }
    }, false);
})();