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Let's say I have a select box with values : 1, 2, 3, 4, 5, 6. Every value has it's own image, which I want to display as a description below the select field. Any Drupal / AJAX way to show this?

By the way this is NOT a custom form. This is a node creation and edit form.

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As far as I know there are no ready made solutions for this, and you will need to write a custom module. The way to do this would be to implement hook_form_alter to modify the select element and add a #ajax property.

If you've never written a module with hook_form_alter then this article might be of help: very-introduction-drupals-hookformalter

And here are some relevant questions on Drupal answers:

  • This is a good idea, but the select box is also a part of a conditional field. This will override the conditional field applied to the current field. – Akmal Fikri Mar 15 '13 at 14:23
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    After fiddling with hook_form_alter and #ajax property, apparently I had to use : 1. $form['field_for_ajax']['und']['#ajax'] - to trigger the ajax. 2. $form_state['values']['field_for_ajax']['und'][0]['value'] - to get the value of the select dropdown. Thanks Alice for the heads up! – Akmal Fikri Mar 18 '13 at 11:26
  • @AkmalFikri Can u post the solution plz? – Umair Apr 12 '17 at 11:29

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