Serum10ml

document.addEventListener('DOMContentLoaded', function() { // Get all the buttons into a NodeList const buttons = document.querySelectorAll('.nav-button'); // Loop through the NodeList and add an event listener to each button buttons.forEach(btn => { btn.addEventListener('click', function(event) { // Prevent default anchor click behavior event.preventDefault(); // Remove the 'active' class from all buttons buttons.forEach(b => b.classList.remove('active')); // Add the 'active' class to the clicked button this.classList.add('active'); // Scroll to the corresponding section smoothly const sectionId = this.getAttribute('href'); const section = document.querySelector(sectionId); // Ensure the section exists before scrolling if (section) { section.scrollIntoView({ behavior: 'smooth' }); } else { // Fallback if the section doesn't exist (invalid ID) window.location.href = sectionId; } }); }); });