Traversing: Let .not(arraylike) pass non-element nodes

Fixes gh-3226
Closes gh-3261

1 files changed, 12 insertions, 7 deletions

diff --git a/src/traversing/findFilter.js b/src/traversing/findFilter.js
index 92d6753b4..3bd036a18 100644
--- a/src/traversing/findFilter.js
+++ b/src/traversing/findFilter.js
@@ -15,24 +15,29 @@ function winnow( elements, qualifier, not ) {
 		return jQuery.grep( elements, function( elem, i ) {
 			return !!qualifier.call( elem, i, elem ) !== not;
 		} );
-
 	}
 
+	// Single element
 	if ( qualifier.nodeType ) {
 		return jQuery.grep( elements, function( elem ) {
 			return ( elem === qualifier ) !== not;
 		} );
-
 	}
 
-	if ( typeof qualifier === "string" ) {
-		if ( risSimple.test( qualifier ) ) {
-			return jQuery.filter( qualifier, elements, not );
-		}
+	// Arraylike of elements (jQuery, arguments, Array)
+	if ( typeof qualifier !== "string" ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
+		} );
+	}
 
-		qualifier = jQuery.filter( qualifier, elements );
+	// Simple selector that can be filtered directly, removing non-Elements
+	if ( risSimple.test( qualifier ) ) {
+		return jQuery.filter( qualifier, elements, not );
 	}
 
+	// Complex selector, compare the two sets, removing non-Elements
+	qualifier = jQuery.filter( qualifier, elements );
 	return jQuery.grep( elements, function( elem ) {
 		return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
 	} );