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| author | Rick Waldron <waldron.rick@gmail.com> | 2011-08-17 17:49:09 -0400 |
|---|---|---|
| committer | Rick Waldron <waldron.rick@gmail.com> | 2011-08-17 17:49:09 -0400 |
| commit | f44d5e1e815ce63b58264b2f9a764c0b03101cfc (patch) | |
| tree | 4b381a9e4eb29e7c80716cd07729b24db66608a0 | |
| parent | 1a738cb72fa9f8b7280f15586a68ef9377b18976 (diff) | |
| download | jquery-f44d5e1e815ce63b58264b2f9a764c0b03101cfc.tar.gz jquery-f44d5e1e815ce63b58264b2f9a764c0b03101cfc.zip | |
Ensure cache[id] exists before attempting to delete it. Fixes #10080
| -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; |