Show Total and Remain Unlocked on Leetcode, also Hide the locked Questions
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// ==UserScript==
// @name leetcode show total and remain unlocked questions
// @description:en Show Total and Remain Unlocked Problems on Leetcode
// @namespace https://greasyfork.org/en/users/22079-hntee
// @version 0.1
// @author hntee
// @match https://leetcode.com/*
// @description Show Total and Remain Unlocked on Leetcode, also Hide the locked Questions
// ==/UserScript==
(function() {
'use strict';
observeDomChange();
})();
function observeDomChange() {
var MutationObserver = window.MutationObserver;
var myObserver = new MutationObserver (mutationHandler);
var obsConfig = {
childList: true, attributes: true,
subtree: true, attributeFilter: ['list-group']
};
myObserver.observe(document, obsConfig);
function mutationHandler (mutationRecords) {
var locked = "div > i.fa-lock";
var num_locked = $(locked).length;
$(locked).parent().parent().parent().hide();
if ($('#welcome strong').length == 1) {
info = $('#welcome strong').text();
num_finished = Number(info.split('/')[0]);
num_questions = Number(info.split('/')[1]);
num_unlocked = num_questions - num_locked;
$('#welcome').append(' (Locked: ' + num_locked + ')<br />You have solved: <strong>' + num_finished + "/" + num_unlocked + ' (' + (num_unlocked - num_finished) + ')</strong> remain');
}
}
}