[support] AJAX

[Chris Miller]

Hi Folks, 

I have discovered why I am getting multiple events -- increasingly multiple events. In the following code, the "attach" method is called for each click and notice that this has the effect of attaching a new event handler for each event handler already attached. 

And here's the mystery: My code differs by ONLY identifiers from the example I followed ( http://interactivejunky.com/tutorial-demos/ij-ajax-commands/trigger-page ) and the example works correctly which leaves unexplained why I have to add an unbind() call to avoid the multiple attach problem. I considered that it might be the version of jQuery, but I see the same problem with both 1.7 and 1.8, so at least as far as jQuery_update is concerned, it is not a jQuery issue. I don't know if it is a "behaviors" issue, because I still don't fully understand how "behaviors" works. Anybody have any insight into this question? (Attached is the complete (trivial) module for experimentation, should that be interesting.) 



(function ($) { 
Drupal.behaviors.modc = { 
attach: function(context, settings) { 
var $AJAXEnabled = $('#ajax-enabled'); 
$AJAXEnabled.unbind(); 
new Drupal.ajax('#ajax-enabled', $AJAXEnabled, { 
url: $AJAXEnabled.attr('href'), 
settings: {}, 
event: 'click tap' 
}); 
} 
} 
})(jQuery); 




Chris. 
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