Resources

Enable twig debugging in your site's services.yml or development.services.yml. parameters: twig.config: debug: true

Scalable and Modular Architecture for CSS.

A collection of interview questions for front end developers.

MDN Front end developer guide.

* Drupal 10 will use Twig 3.x

Overview of extensions (modules, themes, profiles). Alteration methods (hooks, plugins, entities, services, routing...

Drupal API hooks documentation.

Drupal API documentation.

Drupal APIs documentation.