aureooms/js-object

var isdeepcopy = function ( a , b ) {

    var key ;

    if ( a === null || typeof( a ) !== "object" ) {

        if ( b === null || typeof( b ) !== "object" ) {
            return a === b ;
        }

        else {
            return false ;
        }

    }

    if ( a === b ) {
        return false ;
    }

    for ( key in a ) {

        if ( a.hasOwnProperty( key ) ) {

            if ( b.hasOwnProperty( key ) ) {

                if ( !isdeepcopy( a[key] , b[key] ) ) {
                    return false ;
                }

            }

            else {
                return false ;
            }

        }

    }

    for ( key in b ) {

        if ( b.hasOwnProperty( key ) && !a.hasOwnProperty( key ) ) {

            return false ;

        }

    }

    return true ;

} ;

exports.isdeepcopy = isdeepcopy ;