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- window.onscroll = function() {
- var cl = document.body.classList;
- window.scrollY > 10
- ? !cl.contains('is-scrolled') && cl.add('is-scrolled')
- : cl.contains('is-scrolled') && cl.remove('is-scrolled')
- }
- /*определяем высоту шапки*/
- function getHeaderHeight() {
- var header = document.querySelector('.header');
- var topnav = document.querySelector('.topnav');
- header && document.documentElement.style.setProperty('--header-height', header.scrollHeight + 'px');
- topnav && document.documentElement.style.setProperty('--topnav-height', topnav.scrollHeight + 'px');
- header && topnav && document.documentElement.style.setProperty('--hw-height', header.scrollHeight + topnav.scrollHeight + 'px');
- }
- window.onresize = getHeaderHeight;
- getHeaderHeight();
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