library-mirrors/jquery
1
0
Fork 0
mirror of https://github.com/jquery/jquery.git synced 2024-11-23 02:54:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

2.0: Reduce isPlainObject

Browse Source 
Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
This commit is contained in:
Rick Waldron 2012-12-17 17:30:38 -05:00
parent 716963937d
commit 338eaf6181
1 changed files with 5 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/core.js
View File

@ -417,32 +417,22 @@ jQuery.extend({
},
isPlainObject: function( obj ) {
// Must be an Object.
// Because of IE, we also have to check the presence of the constructor property.
// Make sure that DOM nodes and window objects don't pass through, as well
if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
// Not plain objects: params that are not [[Class]] "[object Object]", DOM nodes, window
if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
return false;
}
// Firefox 17+ will throw on host objects. ie window.location
try {
// Not own constructor property must be Object
if ( obj.constructor &&
!core_hasOwn.call(obj, "constructor") &&
!core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
!core_hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
return false;
}
} catch ( e ) {
// IE8,9 Will throw exceptions on certain host objects #9897
return false;
}
// Own properties are enumerated firstly, so to speed up,
// if last one is own, then all properties are own.
var key;
for ( key in obj ) {}
return key === undefined || core_hasOwn.call( obj, key );
return obj === Object( obj );
},
isEmptyObject: function( obj ) {