tabs scroll to tab content

<script>
( function( $ ) {
    $( document ).ready( function() {
        if ( $( window ).width() < 768 ) {
            var tabs = $( '.et_pb_tabs_0 .et_pb_tabs_controls li' ),
                contents = $( '.et_pb_tabs_0 .et_pb_all_tabs > div' ),
                tabLinks = $( '.et_pb_tabs_0 .et_pb_tabs_controls li a' );

            tabs.each( function() {
                var index = $( this ).index(),
                    link = $( this ).find( 'a' );
                link.attr( 'href', '#wpc-tab' + index )
            } );

            contents.each( function() {
                var index_content = $( this ).index();
                $( this ).attr( 'id', 'wpc-tab' + index_content );
            } )

            tabLinks.each( function() {
                $( this ).click( function() {
                    var elementToScroll = $( '.et_pb_tabs_0 .et_pb_all_tabs div' + $( this ).attr( "href" ) );
                    setTimeout( function() {
                        $( "html, body" ).animate( {
                            scrollTop: elementToScroll.offset().top
                        }, 500 );
                    }, 800 )
                } )
            } )
        }
    } );
} )( jQuery );
</script>