Delay ajax keyup event while user is typing similar to autocomplete

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Last seen: 7 years 39 weeks ago
Joined: 2014-03-29

I am looking to produce the same delay functionality that is present when using an autocomplete field, in that there is a delay to allow the user to finish typing (e.g. 300ms) before the ajax call is fired.

I have the ajax within the form working the way I want it to but the 'event' => 'change' causes other issues, so I would like to use the keyup event.

The following code only partially works as there is more than one group of inputs with this ajax attached. It will work for the first group but even when triggered in the second group, the re-invoking of the handler, triggers the first group again.

(function($, Drupal) {
  Drupal.behaviors.bform = {
    attach: function(context, settings) {  
       var events = $('.andtimer').clone(true).data('events');
           var typingTimer;
           var doneTypingInterval = 300;              
       typingTimer = setTimeout(doneTyping, doneTypingInterval);
            function doneTyping() {            
                   $.each(events.keyup, function() {
              return false;              
})(jQuery, Drupal);

Does anyone have any solutions to this problem or suggestions for an alternative method?

I have gone throught he misc/autocomplete/js file but it is over my head. I think the key would be in here though,

Any help much appreciated.

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