Clearing event handlers on unload is no longer necessary in any version of IE. This issue causing memory leaks between pages was fixed in MS07-033.

This commit is contained in:
Colin Snover 2010-12-26 14:28:49 -06:00
parent a939ade9c6
commit 37d297c67f

View file

@ -1177,21 +1177,4 @@ jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblcl
}
});
// Prevent memory leaks in IE
// Window isn't included so as not to unbind existing unload events
// More info:
// - http://isaacschlueter.com/2006/10/msie-memory-leaks/
if ( window.attachEvent && !window.addEventListener ) {
jQuery(window).bind("unload", function() {
for ( var id in jQuery.cache ) {
if ( jQuery.cache[ id ].handle ) {
// Try/Catch is to handle iframes being unloaded, see #4280
try {
jQuery.event.remove( jQuery.cache[ id ].handle.elem );
} catch(e) {}
}
}
});
}
})( jQuery );