Tag: Ajax

Auto populating multiple form fields on Ajax is relatively easy in Drupal. Let's say that you have an autocomplete field and after the user selects an item from it you want to populate some other fields.

In order to avoid frustrations, having a code snippet ready to be copy & pasted comes in handy in many situations when you are working with AJAX and Drupal 8 or 9. This is such an article, so don't expect too much theory -- just some code snippets.