feat: add warning if the element given to Video.js is not in the DOM (#…

…4698) Addresses #4697.
videojs · Nov 1, 2017 · 6f713ca · 6f713ca
1 parent ad1b47b
commit 6f713ca
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/js/video.js b/src/js/video.js
@@ -99,6 +99,11 @@ function videojs(id, options, ready) {
     throw new TypeError('The element or ID supplied is not valid. (videojs)');
   }
 
+  // Check if element is included in the DOM
+  if (Dom.isEl(tag) && !document.body.contains(tag)) {
+    log.warn('The element supplied is not included in the DOM');
+  }
+
   // Element may have a player attr referring to an already created player instance.
   // If so return that otherwise set up a new player below
   if (tag.player || Player.players[tag.playerId]) {