experimental
// ==UserScript==
// @name base embeder
// @description experimental
// @description:ja 試験的
// @match https://*
// @version 1.0
// @namespace fujima3.github
// ==/UserScript==
const AddScript = (clazz) => {
const script_element = document.createElement('script')
script_element.textContent = clazz
const html_header = document.querySelector('head')
html_header.appendChild(script_element)
}