Remove Lettcode Notes.
// ==UserScript==
// @name Leetcode Notes remove
// @namespace http://www.cocong.cn/
// @version 0.1
// @description Remove Lettcode Notes.
// @author huzhenhua
// @match https://leetcode-cn.com/problems/*
// @grant none
// ==/UserScript==
(function() {
//'use strict';
var wait_duration = 1000;
var try_times = 5;
setTimeout(function(){
var note = document.querySelector('.note-btn-cn__uUt0')
if(note != null) {
note.remove();
console.log("Note was removed.");
} else if(--try_times >= 0) {
setTimeout(arguments.callee, wait_duration);
console.log("Try to remove note again.");
} else {
console.log("Note was failed to remove.");
};
}, wait_duration);
})();