Hide Premium Problems on Leetcode
// ==UserScript==
// @name leetcode-cn hide premium problems
// @namespace https://greasyfork.org/en/users/304696-ruanima
// @description:en Hide Premium Problems on Leetcode
// @version 0.4
// @author ruanimal
// @thanks hntee
// @match https://leetcode-cn.com/problemset/*
// @description Hide Premium Problems on Leetcode
// ==/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) {
$('tr i.fa-lock').parent().parent().parent().parent().parent().hide();
}
}