javascript - Attaching multiple draggable/droppable to one element -

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the following shows attempt add 2 draggable stop event handlers paragraph. second fire... how can both fire?

<html>     <head>         <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js" type="text/javascript"></script>         <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.8/jquery-ui.min.js" type="text/javascript"></script>         <script type="text/javascript">             $(document).ready(function(){                 var dragg1 = {                     stop: function(event, ui){alert('stop dragg1')}                 };                 var dragg2 = {                     stop: function(event, ui){alert('stop dragg2')}                 };                 $(".makedraggable").draggable(dragg1);                 $(".makedraggable").draggable(dragg2);             });         </script>     </head>     <body>         <h1>multi handler test</h1>         <div class="makedraggable">hello</div>     </body> </html>

i trying create 2 libraries , stack them, both add drag , drop functionality underlying elements.

you add sort of internal factory-like function, this:

$('.makedraggable')     .data('draggablestop', (function(){         var fns = [];         return {             add: function(fn){                 fns.push(fn);             },             stop: function(event, ui){                 for(var i=0; i<fns.length; i++) {                     fns[i](event, ui);                 }             }         };     })())         .draggable({ stop: $('.makedraggable').data('draggablestop').stop });  $('.makedraggable').data('draggablestop').add(function(){ alert('1'); }); $('.makedraggable').data('draggablestop').add(function(){ alert('2'); });

working version: http://jsfiddle.net/zezua/


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