JavaScript in Drupal for Drupal 8, Drupal 9

Last updated February 5, 2020
Theming8.9.x/9.0.x

JavaScript is used and loaded in special ways within a Drupal site. JavaScript is loaded via asset libraries and Drupal core provides a bunch of different JavaScript libraries that you can load and use in your module or theme. This tutorial provides a brief orientation to some of the JavaScript included in core.

In this tutorial we'll:

  • Preview the JavaScript ecosystem in Drupal
  • Find pointers to tutorials where you can learn more about adding JavaScript to a theme or module
  • Learn about examples of JavaScript in Drupal core that are useful to review for learning purposes

By the end of this tutorial you should have a good overview of how JavaScript is used throughout Drupal core.