Modified files
templates/app/article_update.html
--- 
+++ 
@@ -12,4 +12,16 @@
   <a href="{% url 'home' %}">Back to list</a>
   <a href="{% url 'delete_article' article.id %}">Delete article</a>
-{% endblock content %}+{% endblock content %}
+
+{% block page_js %}
+<script>
+const contentMarkdown = new EasyMDE({
+  element: document.getElementById("id_content"),
+  spellChecker: false,
+  status: false,
+  toolbar: false,
+  forceSync: true
+});
+</script>
+{% endblock page_js %}
templates/app/base.html
--- 
+++ 
@@ -4,6 +4,8 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Djangocourse</title>
+  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/easymde/dist/easymde.min.css">
+  <script src="https://cdn.jsdelivr.net/npm/easymde/dist/easymde.min.js"></script>
 </head>
 <body>
   <nav>
@@ -25,5 +27,8 @@
   {% endblock content %}
   <footer>Common footer for all templates</footer>
+  {% block page_js %}
+
+  {% endblock page_js %}
 </body>
 </html>
templates/app/article_create.html
                    --- 
+++ 
@@ -9,4 +9,16 @@
   </form>
   <a href="{% url 'home' %}">Back to list</a>
-{% endblock content %}+{% endblock content %}
+
+{% block page_js %}
+<script>
+const contentMarkdown = new EasyMDE({
+  element: document.getElementById("id_content"),
+  spellChecker: false,
+  status: false,
+  toolbar: false,
+  forceSync: true
+});
+</script>
+{% endblock page_js %}