Bug 4366; fixing $.each(document.styleSheets) from throwing errors in IE

src/core.js

@@ -610,8 +610,11 @@ jQuery.extend({
 					}
 				}
 			} else {
-				for ( var value = object[0];
-					i < length && callback.call( value, i, value ) !== false; value = object[++i] ) {}
+				for ( ; i < length; ) {
+					if ( callback.call( object[ i ], i,  object[ i++ ] ) === false ) {
+						break;
+					}
+				}
 			}
 		}