yt_date_extention

YouTubeの動画再生画面に書かれた投稿日時を，チャンネル登録者数の部分に追記するChrome拡張機能です．
Chrome Extention which displays a published date of a YouTube movie on another place.

名前は適当に決めました．
I named this extention in 3 seconds.

How to use: 使い方

拡張機能のインストールにはこの記事などが参考になると思います．
This article is useful for installing this extention.

https://note.affi-sapo-sv.com/chrome-extent-test.php

Reference: 参考資料

作成時は次の資料を参考にしました．
To make this chrome extention, I referred these websites:

• Chrome Extention
  • https://www.tohoho-web.com/ex/chrome_extension.html
  • https://qiita.com/mdstoy/items/9866544e37987337dc79
    • http://www2.kobe-u.ac.jp/~tnishida/programming/ChromeExtension-02.html
• string.search() method
  • https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/String/search
• How to wait construction of DOM elements
  • http://once-and-only.com/programing/javascript/js%E3%81%A7%E5%AF%BE%E8%B1%A1%E3%81%AEdom%E3%81%8C%E5%87%BA%E7%8F%BE%E3%81%99%E3%82%8B%E3%81%BE%E3%81%A7%E5%BE%85%E3%81%A4%EF%BC%88javascript%EF%BC%89/
  • https://qiita.com/Rasukarusan/items/754de5d8943eea8cc4ce
  • https://www.web-dev-qa-db-ja.com/ja/javascript/%E8%A6%81%E7%B4%A0%E3%81%8C%E5%AD%98%E5%9C%A8%E3%81%99%E3%82%8B%E3%81%BE%E3%81%A7%E5%BE%85%E3%81%A4%E6%96%B9%E6%B3%95%E3%81%AF%EF%BC%9F/971163359/