Disable scrolling when tapping on space button

Disable scrolling with space when not in input fields

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

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

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.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

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         Disable scrolling when tapping on space button
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Disable scrolling with space when not in input fields
// @author       MasterMe
// @match        *://*/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // Check if the target is an input field or a content-editable element
    function isInputField(element) {
        return element.tagName === 'INPUT' || element.tagName === 'TEXTAREA' || element.isContentEditable;
    }

    // Event listener for keydown
    document.addEventListener('keydown', function(e) {
        // If the space key is pressed
        if (e.code === 'Space') {
            const activeElement = document.activeElement;

            if (isInputField(activeElement)) {
                // If in input field, allow the space key to function normally
                return;
            } else {
                // Prevent spacebar from scrolling the page if not in an input field
                e.preventDefault();
            }
        }
    }, false);

    // Additional event listener for keypress to ensure no scrolling
    document.addEventListener('keypress', function(e) {
        if (e.code === 'Space') {
            const activeElement = document.activeElement;

            if (!isInputField(activeElement)) {
                e.preventDefault();
            }
        }
    }, false);
})();