Flipbook Codepen Upd ❲4K❳

It can transform a plain PDF into a high-conversion interactive publication. Inspiration: Must-See CodePens

pages.forEach(page => page.addEventListener('click', () => // Toggle the flip class page.classList.toggle('flipped'); flipbook codepen

// update canvas and page indicator text function renderCurrentPage() drawPage(currentPage); const pageSpan = document.getElementById('pageNum'); if(pageSpan) pageSpan.innerText = currentPage; It can transform a plain PDF into a

.page width: 100%; height: 100%; position: absolute; top: 0; left: 0; cursor: pointer; let deltaX = currentX - dragStartX

: Focuses on high-quality imagery and typography that shifts slightly as the page bends. Photo Album

function onDragMove(e) if(!isDragging) return; e.preventDefault(); let currentX = e.type.includes('mouse') ? e.clientX : (e.touches ? e.touches[0].clientX : e.clientX); let deltaX = currentX - dragStartX; // threshold flip detection if(!dragProcessed && Math.abs(deltaX) > dragThreshold) if(deltaX > 0) // drag right -> previous page if(currentPage > 1) prevPage(); dragProcessed = true; else dragProcessed = true; else if(deltaX < 0) // drag left -> next page if(currentPage < TOTAL_PAGES) nextPage(); dragProcessed = true; else dragProcessed = true;