Project Euler score offsets

Shows the difference between your score and your friends' on Project Euler.

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       Project Euler score offsets
// @namespace  http://mathemaniac.org/
// @version    1.0.1
// @description  Shows the difference between your score and your friends' on Project Euler.
// @match      http://projecteuler.net/friends
// @copyright  2013-2017, Sebastian Paaske Tørholm
// @require    https://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js
// @grant none
// ==/UserScript==

(function () {
    var myScore;
    $('table.grid > tbody > tr').each(function () {
        if ($(this).children('td').last().html().match(/ /)) {
            myScore = 1 * $(this).children('td:nth-child(4)').text();
        }
    }).each(function () {
        if ($(this).children('th').length > 0) {
            $(this).children('th:nth-child(4)').after('<th>Offset</th>');
        } else {
            var scoreCell = $(this).children('td:nth-child(4)');
            var score = 1 * scoreCell.text();
            var diff = score - myScore;
            scoreCell.after(diff > 0 ? '<td style="color: green; text-align: center">+' + diff + '</td>' :
                            diff < 0 ? '<td style="color: red; text-align: center">' + diff + '</td>' : '<td style="text-align: center">0</td>');
        }
    });
})();