Extra delay appearance of the menu

<script>
( function( $ ) {
    $( document ).ready( function() {
        setTimeout( function() {
            var header = $( "#main-header" ),
                firstSectionHeight = $( "#w4pl-list-32159" ).height();
            header.addClass( 'wpc-custom-header' );
            console.log( firstSectionHeight );
            if ( $.fn.waypoint ) {
                var $waypoint_selector;
                $waypoint_selector = $( '#page-container' );
                $waypoint_selector.waypoint( {
                    handler: function( direction ) {
                        if ( direction === 'down' ) {
                            $( '#main-header' ).removeClass( 'wpc-custom-header' );
                        } else {
                            $( '#main-header' ).addClass( 'wpc-custom-header' );
                        }
                    },
                    offset: -firstSectionHeight
                } );
            }
        }, 100 )
    } );
} )( jQuery );
</script>