From 471efd90a4b73646b4a448b13f4caab1a14c7926 Mon Sep 17 00:00:00 2001
From: 43081j <43081j@users.noreply.github.com>
Date: Tue, 24 Apr 2018 21:58:21 +0100
Subject: [PATCH] fix jsdoc

---
 javascript/atoms/dom.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/javascript/atoms/dom.js b/javascript/atoms/dom.js
index 0c1c8b2020f18..0f1f1fe304308 100644
--- a/javascript/atoms/dom.js
+++ b/javascript/atoms/dom.js
@@ -567,12 +567,15 @@ bot.dom.isShown_ = function(elem, ignoreOpacity, parentsDisplayedFn) {
 bot.dom.isShown = function(elem, opt_ignoreOpacity) {
   /**
    * Determines whether an element or its parents have `display: none` set
-   * @param {?Node}
+   * @param {!Node} e the element
    * @return {boolean}
    */
   function displayed(e) {
-    if (bot.dom.isElement(e) && bot.dom.getEffectiveStyle(e, 'display') == 'none') {
-      return false;
+    if (bot.dom.isElement(e)) {
+      var elem = /** @type {!Element} */ (e);
+      if (bot.dom.getEffectiveStyle(elem, 'display') == 'none') {
+        return false;
+      }
     }
 
     var parent = bot.dom.getParentNodeInComposedDom(e);