Lute: Random Book Button

Add random book button to Lute

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 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.

(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         Lute: Random Book Button
// @version      20240223
// @description  Add random book button to Lute
// @author       jamesdeluk
// @match        http://localhost:500*
// @grant        none
// @namespace https://greasyfork.org/users/242246
// ==/UserScript==

(function() {
    'use strict';

    // Create the button
    var button = document.createElement('button');
    button.innerHTML = 'Random book';
    button.style.marginLeft = '10px';
    button.style.padding = '0.1em 0.3em';

    // Add an event listener to the button
    button.addEventListener('click', function() {
        var e = document.getElementsByClassName("book-title");
        var t = [];
        for (var n = 0; n < e.length; n++) {
            t.push(e[n].getAttribute("href"));
        }
        var r = Math.floor(Math.random() * t.length);
        var o = t[r];
        var currentUrl = window.location.origin;
        var newUrl = currentUrl + o;
        window.location.href = newUrl;
    });

    // Insert the button before the "booktable" element
    var booktable = document.getElementById('booktable');
    if (booktable) {
        booktable.parentNode.insertBefore(button, booktable);
    }
})();