text: (function() {
    "use strict"; // Start of use strict
  
    var mainNav = document.querySelector('#mainNav');
  
    if (mainNav) {
  
      var navbarCollapse = mainNav.querySelector('.navbar-collapse');
      
      if (navbarCollapse) {
  
        var collapse = new bootstrap.Collapse(navbarCollapse, {
          toggle: false
        });
        
        var navbarItems = navbarCollapse.querySelectorAll('a');
        
        // Closes responsive menu when a scroll trigger link is clicked
        for (var item of navbarItems) {
          item.addEventListener('click', function (event) {
            collapse.hide();
          });
        }
      }
  
      // Collapse Navbar
      var collapseNavbar = function() {
  
        var scrollTop = (window.pageYOffset !== undefined) ? window.pageYOffset : (document.documentElement || document.body.parentNode || document.body).scrollTop;
  
        if (scrollTop > 100) {
          mainNav.classList.add("navbar-shrink");
        } else {
          mainNav.classList.remove("navbar-shrink");
        }
      };
      // Collapse now if page is not at top
      collapseNavbar();
      // Collapse the navbar when page is scrolled
      document.addEventListener("scroll", collapseNavbar);
    }
  
  })(); // End of use strict
  