quick-open-tabs-in-alabout.user.js

// ==UserScript==
// @name        Quick Open Tabs in Alabout
// @namespace   https://blog.gslin.org/quick-open-tabs-alabout
// @include     http://alabout.com/*
// @version     1
// @grant       GM_openInTab
// ==/UserScript==

(function(){
    window._quick_open_tabs = function (el) {
        var t = el.parentElement.parentElement.parentElement.getElementsByTagName('tr')[1];
        Array.from(t.getElementsByTagName('a')).forEach(function (link) {
            GM_openInTab(link.href, true);
        });
    };

    Array.prototype.filter.call(document.getElementsByClassName('mn'), function (el) {
        var tr = document.createElement('tr');
        tr.innerHTML = '<td></td><td><input type="button" style="font-size: 2em;" value="Quick Open Tabs" /></td>';
        tr.getElementsByTagName('input')[0].addEventListener('click', function () {
            var t = this.parentElement.parentElement.parentElement.getElementsByTagName('tr')[0];
            Array.from(t.getElementsByTagName('a')).forEach(function (link) {
                GM_openInTab(link.href, true);
            });
        }, false);

        var t = el.parentElement.parentElement.parentElement;
        t.appendChild(tr);
    });
})();