It has already been proposed, look here:
http://wiki.ecmascript.org/doku.php?id=strawman:extended_object_api
On Nov 11, 2011, at 20:30 , Xavier MONTILLET wrote:
> Hi,
>
> I think adding Object.getOwnPropertyDescriptors would be great.
>
> It could be implemented like this:
>
> Object.getOwnPropertyDescriptors = function ( object ) {
> var propertiesDescriptor = { };
> Object.getOwnPropertyNames( object ).forEach( function ( key ) {
> propertiesDescriptor[ key ] = Object.getOwnPropertyDescriptor(
> object, key );
> } );
> return propertiesDescriptor;
> }
>
> And here are some usecases that would be much longer to write without it:
>
> Function.prototype.inherits = function ( Parent ) {
> this.prototype = Object.create( Parent.prototype,
> Object.getOwnPropertyDescriptors( this.prototype ) );
> return this;
> };
>
> Object.prototype.clone = function ( ) {
> return Object.create( Object.getPrototypeOf( this ),
> Object.getOwnPropertyDescriptors( this ) );
> };
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> https://mail.mozilla.org/listinfo/es-discuss
>
--
Dr. Axel Rauschmayer
a...@rauschma.de
home: rauschma.de
twitter: twitter.com/rauschma
blog: 2ality.com
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