Ticket #32300: 32300.1.diff

src/wp-includes/js/twemoji.js

@@ -323 +323 @@
    * @return  Element same generic node with emoji in place, if any.
    */
   function parseNode(node, options) {
+    if ( !node || !node.childNodes ) {
+      return node;
+    }
     var
       allText = grabAllTextNodes(node, []),
       length = allText.length,