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Fixes #13571. jQuery.isPlainObject 1.9.x compatibility

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Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
This commit is contained in:
Rick Waldron
2013-03-06 14:42:24 -05:00
parent 49abe3dc92
commit 8d1c42296f
2 changed files with 49 additions and 5 deletions
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11
src/core.js
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@@ -422,8 +422,11 @@ jQuery.extend({
},
isPlainObject: function( obj ) {
var key;
// Not plain objects:
// - Any object or value whose internal [[Class]] property is not "[object Object]"
// ...Unless it was a constructor, whose prototype property was paved over by
// by a plain object at its declaration. #13571
// - DOM nodes
// - window
if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
@@ -442,9 +445,11 @@ 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 || core_hasOwn.call( obj, key );
},
isEmptyObject: function( obj ) {