diff options
Diffstat (limited to 'src/data.js')
-rw-r--r-- | src/data.js | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/data.js b/src/data.js index 4f87a3550..936cd76b8 100644 --- a/src/data.js +++ b/src/data.js @@ -191,7 +191,8 @@ jQuery.extend({ // Browsers that fail expando deletion also refuse to delete expandos on // the window, but it will allow it on all other JS objects; other browsers // don't care - if ( jQuery.support.deleteExpando || cache != window ) { + // Ensure that this id actually exists in `cache` #10080 + if ( cache[ id ] && ( jQuery.support.deleteExpando || cache != window ) ) { delete cache[ id ]; } else { cache[ id ] = null; |