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Fixed memory leak in IE with non-native event types

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Brandon Aaron 2007-12-21 04:53:33 +00:00
parent fde3d616ac
commit c73eadf599
1 changed files with 10 additions and 1 deletions
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11
src/event.js
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@ -49,10 +49,14 @@ jQuery.event = {
if ( typeof jQuery == "undefined" || jQuery.event.triggered ) if ( typeof jQuery == "undefined" || jQuery.event.triggered )
return val; return val;
val = jQuery.event.handle.apply(elem, arguments); val = jQuery.event.handle.apply(arguments.callee.elem, arguments);
return val; return val;
}); });
// Add elem as a property of the handle function
// This is to prevent a memory leak with non-native
// event in IE.
handle.elem = elem;
// Handle multiple events seperated by a space // Handle multiple events seperated by a space
// jQuery(...).bind("mouseover mouseout", fn); // jQuery(...).bind("mouseover mouseout", fn);
@ -87,6 +91,9 @@ jQuery.event = {
// Keep track of which events have been used, for global triggering // Keep track of which events have been used, for global triggering
jQuery.event.global[type] = true; jQuery.event.global[type] = true;
}); });
// Nullify elem to prevent memory leaks in IE
elem = null;
}, },
guid: 1, guid: 1,
@ -150,6 +157,8 @@ jQuery.event = {
// Remove the expando if it's no longer used // Remove the expando if it's no longer used
for ( ret in events ) break; for ( ret in events ) break;
if ( !ret ) { if ( !ret ) {
var handle = jQuery.data( elem, "handle" );
if ( handle ) handle.elem = null;
jQuery.removeData( elem, "events" ); jQuery.removeData( elem, "events" );
jQuery.removeData( elem, "handle" ); jQuery.removeData( elem, "handle" );
} }