Fixes #13551. Guard against illegal data access by undefined elem-owner

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/test/unit/data.js b/test/unit/data.js
index d6f979984..72e55e15e 100644
--- a/test/unit/data.js
+++ b/test/unit/data.js
@@ -670,3 +670,14 @@ test( "JSON data- attributes can have newlines", function() {
 	equal( x.data("some").foo, "bar", "got a JSON data- attribute with spaces" );
 	x.remove();
 });
+
+test(".data doesn't throw when calling selection is empty. #13551", function() {
+	expect(1);
+
+	try {
+		jQuery( null ).data( "prop" );
+		ok( true, "jQuery(null).data('prop') does not throw" );
+	} catch ( e ) {
+		ok( false, e.message );
+	}
+});