MDL-35978 comments: fix for comments block which has no toggler

2017-01-31 11:33:02 +08:00
parent e33b7b342a
commit 46e26a1b69
1 changed files with 6 additions and 2 deletions
@@ -358,7 +358,9 @@ M.core_comment = {
                    if (img) {
                        img.set('src', M.util.image_url('t/expanded', 'core'));
                    }
-                    commenttoggler.setAttribute('aria-expanded', 'true');
+                    if (commenttoggler) {
+                        commenttoggler.setAttribute('aria-expanded', 'true');
+                    }
                } else {
                    // hide
                    container.setStyle('display', 'none');
@@ -372,7 +374,9 @@ M.core_comment = {
                    if (ta) {
                        ta.set('value','');
                    }
-                    commenttoggler.setAttribute('aria-expanded', 'false');
+                    if (commenttoggler) {
+                        commenttoggler.setAttribute('aria-expanded', 'false');
+                    }
                }
                if (ta) {
                    //toggle_textarea.apply(ta, [false]);