From b41463d43726521d9d6678b68bbbb0893645a09c Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Fri, 25 Jun 2021 07:24:00 -0400
Subject: [PATCH] Skip handling non-media elements

---
 src/js/scriptlets/load-large-media-interactive.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/js/scriptlets/load-large-media-interactive.js b/src/js/scriptlets/load-large-media-interactive.js
index d5ed30847..12fa3432b 100644
--- a/src/js/scriptlets/load-large-media-interactive.js
+++ b/src/js/scriptlets/load-large-media-interactive.js
@@ -43,6 +43,12 @@ const largeMediaElementSelector =
 
 /******************************************************************************/
 
+const isMediaElement = function(elem) {
+    return /^(?:audio|img|picture|video)$/.test(elem.localName);
+};
+
+/******************************************************************************/
+
 const mediaNotLoaded = function(elem) {
     switch ( elem.localName ) {
     case 'audio':
@@ -231,7 +237,9 @@ document.addEventListener('loadeddata', onLoadedData);
 /******************************************************************************/
 
 const onLoad = function(ev) {
-    ev.target.removeAttribute(largeMediaElementAttribute);
+    const elem = ev.target;
+    if ( isMediaElement(elem) === false ) { return; }
+    elem.removeAttribute(largeMediaElementAttribute);
 };
 
 document.addEventListener('load', onLoad, true);
@@ -240,6 +248,7 @@ document.addEventListener('load', onLoad, true);
 
 const onLoadError = function(ev) {
     const elem = ev.target;
+    if ( isMediaElement(elem) === false ) { return; }
     if ( mediaNotLoaded(elem) ) {
         elem.setAttribute(largeMediaElementAttribute, '');
     }