2 files changed, 41 insertions, 43 deletions
diff --git a/files/fr/web/javascript/reference/errors/no_properties/index.html b/files/fr/web/javascript/reference/errors/no_properties/index.html
deleted file mode 100644
index d45bd65c93..0000000000
--- a/files/fr/web/javascript/reference/errors/no_properties/index.html
+++ /dev/null
@@ -1,43 +0,0 @@
----
-title: 'TypeError: "x" has no properties'
-slug: Web/JavaScript/Reference/Errors/No_properties
-tags:
-  - Erreurs
-  - JavaScript
-  - Reference
-  - TypeError
-translation_of: Web/JavaScript/Reference/Errors/No_properties
-original_slug: Web/JavaScript/Reference/Erreurs/No_properties
----
-<div>{{jsSidebar("Errors")}}</div>
-
-<h2 id="Message">Message</h2>
-
-<pre class="syntaxbox">TypeError: Unable to get property {x} of undefined or null reference (Edge)
-TypeError: null has no properties (Firefox)
-TypeError: undefined has no properties (Firefox)
-</pre>
-
-<h2 id="Type_d'erreur">Type d'erreur</h2>
-
-<p>{{jsxref("TypeError")}}.</p>
-
-<h2 id="Quel_est_le_problème">Quel est le problème ?</h2>
-
-<p>Les valeurs {{jsxref("null")}} et {{jsxref("undefined")}} n'ont aucunes propriétés auxquelles accéder.</p>
-
-<h2 id="Exemples">Exemples</h2>
-
-<pre class="brush: js example-bad">null.toto;
-// TypeError: null has no properties
-
-undefined.truc;
-// TypeError: undefined has no properties
-</pre>
-
-<h2 id="Voir_aussi">Voir aussi</h2>
-
-<ul>
- <li>{{jsxref("null")}}</li>
- <li>{{jsxref("undefined")}}</li>
-</ul>
diff --git a/files/fr/web/javascript/reference/errors/no_properties/index.md b/files/fr/web/javascript/reference/errors/no_properties/index.md
new file mode 100644
index 0000000000..8309c98d5e
--- /dev/null
+++ b/files/fr/web/javascript/reference/errors/no_properties/index.md
@@ -0,0 +1,41 @@
+---
+title: 'TypeError: "x" has no properties'
+slug: Web/JavaScript/Reference/Errors/No_properties
+tags:
+  - Erreurs
+  - JavaScript
+  - Reference
+  - TypeError
+translation_of: Web/JavaScript/Reference/Errors/No_properties
+original_slug: Web/JavaScript/Reference/Erreurs/No_properties
+---
+{{jsSidebar("Errors")}}
+
+## Message
+
+    TypeError: Unable to get property {x} of undefined or null reference (Edge)
+    TypeError: null has no properties (Firefox)
+    TypeError: undefined has no properties (Firefox)
+
+## Type d'erreur
+
+{{jsxref("TypeError")}}.
+
+## Quel est le problème ?
+
+Les valeurs {{jsxref("null")}} et {{jsxref("undefined")}} n'ont aucunes propriétés auxquelles accéder.
+
+## Exemples
+
+```js example-bad
+null.toto;
+// TypeError: null has no properties
+
+undefined.truc;
+// TypeError: undefined has no properties
+```
+
+## Voir aussi
+
+- {{jsxref("null")}}
+- {{jsxref("undefined")}}