fixed error

6 years ago · c6c4f17cfa
parent 6114452245
commit c6c4f17cfa
1 changed files with 5 additions and 3 deletions
--- a/src/app/ui/card.js
+++ b/src/app/ui/card.js
@ -34,9 +34,11 @@ module.exports = class Card {
    function trigger (el) {
      var body = self._view.cardBody
      var status = self._view.statusBar
-      el.classList.toggle('fa-angle-up')
-      var arrow = el.classList.toggle('fa-angle-down') ? 'up' : 'down'
-      self.event.trigger('expandCollapseCard', [arrow, body, status])
+      if (el.classList) {
+        el.classList.toggle('fa-angle-up')
+        var arrow = el.classList.toggle('fa-angle-down') ? 'up' : 'down'
+        self.event.trigger('expandCollapseCard', [arrow, body, status])
+      }
    }

    // HTML