feat: add an option to suppress out of dom warning

src/js/video.js

@@ -150,18 +150,18 @@ function videojs(id, options, ready) {
     throw new TypeError('The element or ID supplied is not valid. (videojs)');
   }
 
+  options = options || {};
+
   // document.body.contains(el) will only check if el is contained within that one document.
   // This causes problems for elements in iframes.
   // Instead, use the element's ownerDocument instead of the global document.
   // This will make sure that the element is indeed in the dom of that document.
   // Additionally, check that the document in question has a default view.
   // If the document is no longer attached to the dom, the defaultView of the document will be null.
-  if (!el.ownerDocument.defaultView || !el.ownerDocument.body.contains(el)) {
+  if ((!el.ownerDocument.defaultView || !el.ownerDocument.body.contains(el)) && !options.noWarnOutOfDom) {
     log.warn('The element supplied is not included in the DOM');
   }
 
-  options = options || {};
-
   // Store a copy of the el before modification, if it is to be restored in destroy()
   // If div ingest, store the parent div
   if (options.restoreEl === true) {

test/unit/video.test.js

@@ -80,6 +80,13 @@ QUnit.test(
     videojs('test_vid_id2');
     assert.equal(warnLogs.length, 1, 'did not log another warning');
 
+    const vid3 = document.createElement('video');
+
+    videojs(vid3, {
+      noWarnOutOfDom: true
+    });
+    assert.equal(warnLogs.length, 1, 'did not log another warning');
+
     log.warn = origWarnLog;
   }
 );