5 window.onload = function() {
6 var lesson_episodes = [
7 {% for episode in site.episodes %}
8 "{{ episode.url }}"{% unless forloop.last %},{% endunless %}
12 var xmlHttp = []; /* Required since we are going to query every episode. */
13 for (i=0; i < lesson_episodes.length; i++) {
15 xmlHttp[i] = new XMLHttpRequest();
16 xmlHttp[i].episode = lesson_episodes[i]; /* To enable use this later. */
17 xmlHttp[i].onreadystatechange = function() {
19 if (this.readyState == 4 && this.status == 200) {
20 var parser = new DOMParser();
21 var htmlDoc = parser.parseFromString(this.responseText,"text/html");
22 var htmlDocArticle = htmlDoc.getElementsByTagName("article")[0];
24 var article_here = document.getElementById(this.episode);
25 var images = htmlDocArticle.getElementsByTagName("img");
27 if (images.length > 0) {
28 var h1text = htmlDocArticle.getElementsByTagName("h1")[0].innerHTML;
30 var htitle = document.createElement('h2');
31 htitle.innerHTML = h1text;
32 article_here.appendChild(htitle);
35 for (let image of images) {
38 var title = document.createElement('p');
39 title.innerHTML = "<strong>Figure " + image_num + ".</strong> " + image.alt;
40 article_here.appendChild(title);
42 var img = document.createElement('img');
44 article_here.appendChild(img);
46 if (image_num < images.length) {
47 var hr = document.createElement('hr');
48 article_here.appendChild(hr);
54 episode_url = "{{ base }}" + lesson_episodes[i];
55 xmlHttp[i].open("GET", episode_url);
56 xmlHttp[i].send(null);
61 Create anchor for each one of the episodes.
63 {% for episode in site.episodes %}
64 <article id="{{ episode.url }}" class="figures"></article>
67 {% include links.md %}