2 files changed, 4 insertions, 4 deletions
diff --git a/files/ru/web/javascript/reference/errors/stmt_after_return/index.html b/files/ru/web/javascript/reference/errors/stmt_after_return/index.html
index fa7d1fe660..c1d429253b 100644
--- a/files/ru/web/javascript/reference/errors/stmt_after_return/index.html
+++ b/files/ru/web/javascript/reference/errors/stmt_after_return/index.html
@@ -81,4 +81,4 @@ function f() {
  <li>{{jsxref("Statements/return", "Automatic Semicolon Insertion", "#Automatic_Semicolon_Insertion", 1)}}</li>
 </ul>
 
-<div id="dc_vk_code" style="display: none;"> </div>
+<div id="dc_vk_code" class="hidden"> </div>
diff --git a/files/ru/web/javascript/reference/global_objects/promise/index.html b/files/ru/web/javascript/reference/global_objects/promise/index.html
index c4577ab151..0c730018b3 100644
--- a/files/ru/web/javascript/reference/global_objects/promise/index.html
+++ b/files/ru/web/javascript/reference/global_objects/promise/index.html
@@ -131,7 +131,7 @@ new Promise(function(resolve, reject) { ... });</pre>
 
 <h3 id="Простой_пример">Простой пример</h3>
 
-<pre class="brush: html" style="display: none;">Создать промис!
+<pre class="brush: html" class="hidden">Создать промис!
 </pre>
 
 <pre class="brush: js">let myFirstPromise = new Promise((resolve, reject) =&gt; {
@@ -151,7 +151,7 @@ myFirstPromise.then((successMessage) =&gt; {
 
 <h3 id="Продвинутый_пример">Продвинутый пример</h3>
 
-<pre class="brush: html" style="display: none;">Создать промис!
+<pre class="brush: html" class="hidden">Создать промис!
 </pre>
 
 <div id="log">
@@ -203,7 +203,7 @@ function testPromise() {
 }
 </pre>
 
-<pre class="brush:js" style="display: none;">if ("Promise" in window) {
+<pre class="brush:js" class="hidden">if ("Promise" in window) {
   btn = document.getElementById("btn");
    btn.addEventListener("click",testPromise);
 }