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Short-circuit jQuery.event.fix if it has already fixed the current event object.

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Brandon Aaron 2007-12-19 18:35:58 +00:00
parent b32ec31d89
commit a7dfbb55d9
1 changed files with 7 additions and 0 deletions
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7
src/event.js
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@ -263,11 +263,18 @@ jQuery.event = {
},
fix: function(event) {
// Short-circuit if the event has already been fixed by jQuery.event.fix
if ( event[ expando ] )
return event;
// store a copy of the original event object
// and clone to set read-only properties
var originalEvent = event;
event = jQuery.extend({}, originalEvent);
// Mark the event as fixed by jQuery.event.fix
event[ expando ] = true;
// add preventDefault and stopPropagation since
// they will not work on the clone
event.preventDefault = function() {