link the profile page to the ranking of country/region, birth year, and affiliation
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// ==UserScript==
// @name AtCoder Profile2Ranking Link
// @namespace http://tampermonkey.net/
// @version 1.0
// @description link the profile page to the ranking of country/region, birth year, and affiliation
// @author sotanishy
// @match https://atcoder.jp/users/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
// Your code here...
let table = document.getElementsByClassName('dl-table')[0];
let tbody = table.getElementsByTagName('tbody')[0];
let tr = tbody.getElementsByTagName('tr');
const baseUrl = 'https://atcoder.jp/ranking';
for (let i = 0; i < tr.length; i++) {
let head = tr[i].getElementsByTagName('th')[0].textContent;
let td = tr[i].getElementsByTagName('td')[0];
if (head == '国と地域' || head == 'Country/Region') {
let img = td.getElementsByTagName('img')[0];
let country = img.src.split('/')[5].split('.')[0];
let a = document.createElement('a');
a.textContent = td.textContent;
td.textContent = '';
a.href = `${baseUrl}?f.Country=${country}`;
td.appendChild(img);
td.appendChild(a);
}
if (head == '誕生年' || head == 'Birth Year') {
let birthyear = td.textContent;
let a = document.createElement('a');
a.textContent = birthyear;
td.textContent = '';
a.href = `${baseUrl}?f.BirthYearLowerBound=${birthyear}&f.BirthYearUpperBound=${birthyear}`;
td.appendChild(a);
}
if (head == '所属' || head == 'Affiliation') {
let affiliation = td.textContent;
let a = document.createElement('a');
a.textContent = affiliation;
td.textContent = '';
a.href = `${baseUrl}?f.Affiliation=${affiliation.replace(' ', '+')}`;
td.appendChild(a);
}
}
})();