GET/SET for Stick Ranger 2

sr2getset.user.js

// ==UserScript==
// @name     SR2 GET/SET script
// @version  1
// @grant    none
// @include http://dan-ball.jp/en/javagame/ranger2/
// @include https://dan-ball.jp/en/javagame/ranger2/
// ==/UserScript==

var h = document.getElementById("facebook");
h.innerHTML+="<textarea id='bun' rows='1' cols='34' onclick='this.select();'></textarea>";
h.innerHTML+="<button onclick='savesr2();'>GET</button>";
h.innerHTML+="<button onclick='loadsr2();'>SET</button>";


window.eval('var savesr2=function(){if(window.localStorage.getItem("ranger2")){document.getElementById("bun").value = window.localStorage.getItem("ranger2")}}');
window.eval('var loadsr2=function(){window.localStorage.setItem("ranger2", document.getElementById("bun").value); location.reload();}');