Bosch Halter -

$(document).ready(function() { setTimeout(function () { if ( window.innerWidth < 1200 && $('#m1').length && $('#mM').length && $('#m1').is(':empty') ) { $('#mM').appendTo('#m1'); } }, 1000); $( window ).resize(function() { if ($(window).outerWidth() < 1200 ) { $('#mM').appendTo('#m1'); } else { $('#mM').appendTo('#m2'); } }); }); $(function () { const $links = $('.anchors a'); const nav = document.querySelector('.anchors'); function updateActiveLink() { const scrollTop = $(document).scrollTop(); $links.each(function (i, link) { const targetId = $(link).attr('href'); const $target = $(targetId); if (!$target.length) return; const top = $target.offset().top; let bottom; if (i < $links.length - 1) { const nextLinkHref = $($links[i + 1]).attr('href'); const $nextTarget = $(nextLinkHref); bottom = $nextTarget.length ? $nextTarget.offset().top : $(document).height(); } else { bottom = $(document).height(); } if (scrollTop >= top - 120 && scrollTop < bottom - 120) { $links.removeClass('active'); $(link).addClass('active'); scrollNavToLink(link); return false; // break .each() } }); } function scrollNavToLink(link) { if (!nav) return; const linkLeft = link.offsetLeft; const linkWidth = link.offsetWidth; const navWidth = nav.offsetWidth; const scrollTo = linkLeft - (navWidth / 2) + (linkWidth / 2); nav.scrollTo({ left: scrollTo, behavior: 'smooth' }); } let scrollTimer; $(document).on('scroll', function () { updateActiveLink(); // run immediately clearTimeout(scrollTimer); scrollTimer = setTimeout(updateActiveLink, 100); // trailing update }); updateActiveLink(); // on load });