Core libraries
A quick overview with some of the Drupal core libraries.
To get a complete overview of all the core libraries, take a look inside
core/core.libraries.yml
.
core/drupal
We need core/drupal
in order to take advantage of the Drupal.behaviors
.
core/jquery
To include the Drupal core version of jQuery, we add core/jquery
.
core/jquery.once
A jQuery plugin allowing to only apply a function once to an element.
There are plenty more libraries in core.