Merge pull request summernote#1817 from Megabyteceer/patch-1

Firefox 'node is null' error fixing.
aliencube · Apr 10, 2016 · 93d6cbb · 93d6cbb
2 parents 358c847 + 10821a4
commit 93d6cbb
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/js/base/core/dom.js b/src/js/base/core/dom.js
@@ -198,8 +198,13 @@ define([
       if (isText(node)) {
         return node.nodeValue.length;
       }
-
-      return node.childNodes.length;
+
+      if (node) {
+        return node.childNodes.length;
+      }
+
+      return 0;
+
     };
 
     /**