From be8e5144649b65fb5254995fa525e70e7e594324 Mon Sep 17 00:00:00 2001
From: Nik Rolls <nik@rolls.cc>
Date: Mon, 31 Oct 2016 09:04:53 +1300
Subject: [PATCH] Prevent possible error when a node has no children (#2108)

Compat with Edge; SVG nodes don't have a `children` property and therefore this throws an error whenever an SVG is added, removed or moved in the DOM.
---
 src/js/contentscript.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/js/contentscript.js b/src/js/contentscript.js
index 4e158cb0c..3ee6dc1a3 100644
--- a/src/js/contentscript.js
+++ b/src/js/contentscript.js
@@ -1086,7 +1086,7 @@ vAPI.domCollapser = (function() {
             if ( node.localName === 'iframe' ) {
                 addIFrame(node);
             }
-            if ( node.children.length !== 0 ) {
+            if ( node.children && node.children.length !== 0 ) {
                 var iframes = node.getElementsByTagName('iframe');
                 if ( iframes.length !== 0 ) {
                     addIFrames(iframes);