Rough size of object

// http://stackoverflow.com/questions/1248302/javascript-object-size

function roughSizeOfObject ( object ) {

    var objectList = [];

    var recurse = function ( value ) {
        var bytes = 0;

        if ( typeof value === 'boolean' ) bytes = 4;
        else if ( typeof value === 'string' ) bytes = value.length * 2;
        else if ( typeof value === 'number' ) bytes = 8;
        else if ( typeof value === 'object' && objectList.indexOf( value ) === -1 ) {
            objectList[ objectList.length ] = value;
            for ( i in value ) {
                bytes += 8; // an assumed existence overhead
                bytes += recurse( value[i] );
            }
        }

        return bytes;
    };

    return recurse( object );
};