Tweak the logic for fixing event.which. Fixes #2338.

e3c4e578 · John Resig · 9190d4fd · e3c4e578
Commit e3c4e578 authored Sep 28, 2010 by John Resig
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event.js src/event.js +2 -2

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--- a/src/event.js
+++ b/src/event.js
@@ -470,8 +470,8 @@ jQuery.event = {
 		}

 		// Add which for key events
-		if ( !event.which && ((event.charCode || event.charCode === 0) ? event.charCode : event.keyCode) ) {
-			event.which = event.charCode || event.keyCode;
+		if ( event.which == null && (event.charCode != null || event.charCode != null) ) {
+			event.which = event.charCode != null ? event.charCode : event.keyCode;
 		}

 		// Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)