Merge pull request video-dev#3687 from rgov/patch-1

Fix uninitialized variable in basic usage example

demo/basic-usage.html

@@ -12,8 +12,8 @@ <h1>Hls.js demo - basic usage</h1>
     </center>
 
     <script>
+      var video = document.getElementById('video');
       if (Hls.isSupported()) {
-        var video = document.getElementById('video');
         var hls = new Hls({
           debug: true,
         });