- Download the Examples project and experiment with it. There are many more examples there that show graceful degradation and more complex situations, like dependent dropdowns. View it live at http://drupalexamples.info/examples/ajax_example. See the code without downloading on api.drupal.org.
- The Drupal.org handbook page on D7 AJAX forms
- Form API Documentation, AJAX section
Where to find me
Email me, randy at randyfay.com, Find me on ddev.com, Drupal.org and Slack: rfay, Facebook: randyfay, Hobobiker.com: The story of our 2 1/2 year bike trip.
Updated 2025-12-03