Landing pull request 459. Do not allow assumed cache[id] in jQuery.data. Fixes #8235.

More Details:
 - https://github.com/jquery/jquery/pull/459
 - http://bugs.jquery.com/ticket/8235

diff --git a/src/data.js b/src/data.js
index 279471075ac1278004142215e331b7128ad770f0..4f87a355042fe0ead6195dfbfd5ab3fcab62c07f 100644 (file)
--- a/src/data.js
+++ b/src/data.js
@@ -51,7 +51,7 @@ jQuery.extend({
 
                // Avoid doing any more work than we need to when trying to get data on an
                // object that has no data at all
-               if ( (!id || (pvt && id && !cache[ id ][ internalKey ])) && getByName && data === undefined ) {
+               if ( (!id || (pvt && id && (cache[ id ] && !cache[ id ][ internalKey ]))) && getByName && data === undefined ) {
                        return;
                }