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Shows the difference between your score and your friends' on Project Euler.
// ==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>');
}
});
})();