https://mapping-the-enlightenment.org/theme/mte-ion/js/scripts.js

1/* Smooth Scrolling */
2$(document).ready(function(){
3  // Add smooth scrolling to all links
4  $("a").on('click', function(event) {
5
6    // Make sure this.hash has a value before overriding default behavior
7    if (this.hash !== "") {
8      // Prevent default anchor click behavior
9      event.preventDefault();
10
11      // Store hash
12      var hash = this.hash;
13
14      // Using jQuery's animate() method to add smooth page scroll
15      // The optional number (800) specifies the number of milliseconds it takes to scroll to the specified area
16      $('html, body').animate({
17        scrollTop: $(hash).offset().top
18      }, 800, function(){
19   
20        // Add hash (#) to URL when done scrolling (default click behavior)
21        window.location.hash = hash;
22      });
23    } // End if
24  });
25});