diff options
| -rw-r--r-- | src/data/Data.js | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/src/data/Data.js b/src/data/Data.js index 85afd64f5..7b9ec5b54 100644 --- a/src/data/Data.js +++ b/src/data/Data.js @@ -29,24 +29,20 @@ Data.prototype = { return 0; } - var descriptor = {}, - // Check if the owner object already has a cache key - unlock = owner[ this.expando ]; + // Check if the owner object already has a cache key + var unlock = owner[ this.expando ]; // If not, create one if ( !unlock ) { unlock = Data.uid++; - // Secure it in a non-enumerable, non-writable property - try { - descriptor[ this.expando ] = { value: unlock }; - Object.defineProperties( owner, descriptor ); - - // Support: Android<4 - // Fallback to a less secure definition - } catch ( e ) { - descriptor[ this.expando ] = unlock; - jQuery.extend( owner, descriptor ); + // If it is a node unlikely to be stringify-ed or looped over + // use plain assignment + if ( owner.nodeType ) { + owner[ this.expando ] = unlock; + // Otherwise secure it in a non-enumerable, non-writable property + } else { + Object.defineProperty( owner, this.expando, { value: unlock } ); } } |