中文区的讨论很少，点击查看英文区的讨论
// ==UserScript==
// @name leetcode英文版讨论区
// @version 0.0.5
// @description 中文区的讨论很少，点击查看英文区的讨论
// @author 1xin
// @require http://code.jquery.com/jquery-latest.js
// @noframes
// @match *://leetcode-cn.com/problems/*
// @grant GM_addStyle
// @grant GM.getValue
// @grant GM_openInTab
// @grant GM_notification
// @namespace https://greasyfork.org/users/183871
// ==/UserScript==
(function() {
'use strict';
var addNextButton={
addButton:function(next_video_url){
var next_btn_html = '';
next_btn_html +='<button id="englishbutton" class="btn__r7r7 tools-btn__YErs">';
next_btn_html +="<h3>";
next_btn_html +='<font color="red">';
next_btn_html +='查看英文区（leetcode.com）的讨论'
next_btn_html +='</font>'
next_btn_html +="</h3>";
next_btn_html +='</button>';
//增加下一个视频按钮
var ul_tag = $("#app");
if (ul_tag) {
ul_tag.append(next_btn_html);
}
$("#englishbutton").click(function(){
GM_openInTab(next_video_url);
});
}
};
var leetSite = window.location.href;
var patt1=new RegExp("(?<=https://leetcode-cn.com/problems/)[^/]+");
var text=patt1.exec(leetSite)
var url_en="https://leetcode.com/problems/";
url_en+=text;
url_en+="/discuss/";
//alert(url_en);
addNextButton.addButton(url_en);
// Your code here...
})();