https://www.lycee-vionnet.fr/default/CMS/js/cache/55d8806514494bd0e65421b24afe7519.min.js

1"use strict";
2
3var domReady = function domReady(callback) {
4    document.readyState === "interactive" || document.readyState === "complete" ? callback() : document.addEventListener("DOMContentLoaded", callback);
5};
6
7domReady(function () {
8  /**
9   * for all links with an anchor as href,
10   * if there is no class 'js-no-centered-scroll' or data attribute 'data-no-centered-scroll',
11   * scroll to vertically center the top of the target block in viewport on click event
12   *  */ 
13  document.addEventListener('click', function(e) {
14    var link = e.target;
15    if (link && typeof link.tagName === 'string' && link.tagName.toLowerCase() === 'a') {
16      var href = link.getAttribute('href');
17      if (typeof href === 'string' && href.match(/^#\w+/g) && !(link.classList.contains('js-no-centered-scroll') || link.dataset.noCenteredScroll)) {
18        var anchorTarget = document.querySelector(href);
19        if (anchorTarget) {
20          var viewHeight = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);
21          var offset = Math.ceil(anchorTarget.getBoundingClientRect().top - viewHeight/ 2 + window.scrollY);
22          e.preventDefault();
23          window.scroll({
24            behavior: 'smooth',
25            top: offset,
26          });
27        }
28      }
29    }
30  })
31});
32;