Update index3
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24
index3
24
index3
@@ -1,4 +1,3 @@
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function hideHeaderOnScroll() {
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const header = document.querySelector('.header__mobile');
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if (!header) return;
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@@ -7,14 +6,12 @@ function hideHeaderOnScroll() {
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let isHeaderFullyVisible = true;
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let isHeaderVisibleMoreThanHalf = true;
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let scrollTimeout = null;
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const observer = new IntersectionObserver((entries) => {
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const observer = new IntersectionObserver((entries) => {
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entries.forEach(entry => {
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isHeaderVisible = entry.isIntersecting;
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isHeaderFullyVisible = entry.intersectionRatio >= 0.999;
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isHeaderVisibleMoreThanHalf = entry.intersectionRatio > 0.5;
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console.log('Header choć trochę widoczny?', isHeaderVisible);
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console.log('Header jest cały widoczny?', isHeaderFullyVisible, entry.intersectionRatio);
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});
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}, { threshold: [0, 0.25, 0.49, 0.5, 0.51, 0.75, 1] });
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@@ -29,7 +26,7 @@ const observer = new IntersectionObserver((entries) => {
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const currentScroll = window.scrollY;
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const isScrollingDown = currentScroll > lastScrollY;
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const isHeaderFixed = header.classList.contains('header__mobile--fixed');
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header.style.transition = '';
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if(!isHeaderVisible && isScrollingDown){
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@@ -50,15 +47,17 @@ const observer = new IntersectionObserver((entries) => {
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scrollTimeout = setTimeout(() => {
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if(isHeaderFullyVisible){
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return;
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}
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console.log('Scrollowanie się zakończyło!');
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header.style.transition = `0.2s cubic-bezier(0.78, 0, 0.22, 1)`;
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if(isHeaderVisibleMoreThanHalf && !isHeaderFullyVisible){
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console.log("header jest widoczny wiecej niz polowa");
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header.style.transition = `top 0.2s cubic-bezier(0.78, 0, 0.22, 1)`;
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if(isHeaderVisibleMoreThanHalf){
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header.style.top=`${currentScroll}px`;
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}
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if(!isHeaderVisibleMoreThanHalf && !isHeaderFullyVisible){
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console.log("header jest widoczny mniej niz polowa");
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if(!isHeaderVisibleMoreThanHalf){
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header.style.top=`${currentScroll - headerHeight}px`;
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}
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@@ -66,7 +65,7 @@ const observer = new IntersectionObserver((entries) => {
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header.style.transition = '';
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}, { once: true });
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}, 300);
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}, 500);
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@@ -75,3 +74,6 @@ const observer = new IntersectionObserver((entries) => {
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window.addEventListener('scroll', onScroll, { passive: true });
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}
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document.addEventListener('DOMContentLoaded', hideHeaderOnScroll);
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