From 19b020dbc72b9aeb5d6e3faca95bb55ce5418bb5 Mon Sep 17 00:00:00 2001
From: Matthew Petroff <matthew@mpetroff.net>
Date: Mon, 31 Dec 2018 14:36:39 -0500
Subject: [PATCH] Check to make sure hot spot div exists before deleting it
 (#702).

---
 src/js/pannellum.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/js/pannellum.js b/src/js/pannellum.js
index 3d1fb33..fb5bebb 100644
--- a/src/js/pannellum.js
+++ b/src/js/pannellum.js
@@ -1784,10 +1784,12 @@ function destroyHotSpots() {
     if (hs) {
         for (var i = 0; i < hs.length; i++) {
             var current = hs[i].div;
-            while(current.parentNode != renderContainer) {
-                current = current.parentNode;
+            if (current) {
+                while(current.parentNode != renderContainer) {
+                    current = current.parentNode;
+                }
+                renderContainer.removeChild(current);
             }
-            renderContainer.removeChild(current);
             delete hs[i].div;
         }
     }