WP Gravity Forms Scroll to Error

gistfile1.php

/**
 * Jump to the first error after submission
 *
 * @param $form
 * @return mixed
 */
function gf_scroll_to_first_error_focus( $form ) {
    ?>
    <script type="text/javascript">
        if( window['jQuery'] ) {
            ( function( $ ) {
                $( document ).bind( 'gform_post_render', function() {
                    var $firstError = $( 'li.gfield.gfield_error:first' );
                    if( $firstError.length > 0 ) {
                        $firstError.find( 'input, select, textarea' ).eq( 0 ).focus();
                        document.body.scrollTop = $firstError.offset().top;
                    }
                } );
            } )( jQuery );
        }
    </script>
    <?php
    return $form;
}
add_action( 'gform_pre_render', 'gf_scroll_to_first_error_focus', 10, 1 );