https://www.lullabot.com/articles/drupal-javascript-initiative-the-road-to-a-modern-administration-ui

Drupal JavaScript Initiative: The Road to a Modern Administration UI It's now been over 10 years since Drupal started shipping jQuery as part of core, and although a lot of Drupal's JavaScript has evolved since then it's still based on the premise of progressive enhancement of server-side generat...