Header Active Link In JavaScript

ActiveLink

// Active Link
	let currentPageURL = window.location.href;
	// Get all menu items
	let menuItems = document.querySelectorAll('#mainNavigation ul li a');
	// Loop through each menu item to find the active page
	for (var i = 0; i < menuItems.length; i++) {
		if (menuItems[i].href === currentPageURL) {
			menuItems[i].classList.add('active');
		}
	}