Mozilla Firefox質問スレッド(初心者歓迎)の60

>>96
やってみた

// ==UserScript==
// @include https://addons.mozilla.org/*
// ==/UserScript==
var txt = document.evaluate('//script[contains(text(), "addCompatibilityHints")]', document, null, 9, null).singleNodeValue;
if(txt){
txt = txt.innerHTML.match(/addCompatibilityHints\('\d+',\s'\d+',\s'([^']+)',\s'([^']+)'\)/);
var before = document.evaluate('//p[@class="desc"]', document, null, 9, null).singleNodeValue;
before.parentNode.insertBefore(document.createElement('p'), before).textContent = txt[1] + ' - ' + txt[2];
}