diff options
Diffstat (limited to 'src/core.js')
| -rw-r--r-- | src/core.js | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/core.js b/src/core.js index f27306587..967fa8e26 100644 --- a/src/core.js +++ b/src/core.js @@ -223,6 +223,7 @@ jQuery.extend( { }, isPlainObject: function( obj ) { + var key; // Not plain objects: // - Any object or value whose internal [[Class]] property is not "[object Object]" @@ -237,9 +238,11 @@ jQuery.extend( { return false; } - // If the function hasn't returned already, we're confident that - // |obj| is a plain object, created by {} or constructed with new Object - return true; + // Own properties are enumerated firstly, so to speed up, + // if last one is own, then all properties are own + for ( key in obj ) {} + + return key === undefined || hasOwn.call( obj, key ); }, isEmptyObject: function( obj ) { |