select2/docs/_includes/options-new/data/ajax.html

<section>
  <h2 id="ajax">
    Can Select2 be connected to a remote data source?
  </h2>

  <h3>
    How can I set the initially selected options when using AJAX?
  </h3>

  <h3>
    What should the results returned to Select2 look like?
  </h3>

  <h3>
    Is there a way to modify the response before passing it back to Select2?
  </h3>

  <h3>
    A request is being triggered on every key stroke, can I delay this?
  </h3>

  <h3>
    I want to add more query parameters to the request, where can this be done?
  </h3>

  <h3>
    Can an AJAX plugin other than <code>jQuery.ajax</code> be used?
  </h3>
</section>