From b319ea20dde639104ca1d33c55014960dfe8faac Mon Sep 17 00:00:00 2001
From: Ben Cai <bcai@cerner.com>
Date: Mon, 30 Sep 2019 10:37:58 -0500
Subject: [PATCH] docs(utils): add code comment in scroll-state for why
 childNodes is needed for SVGs in IE (#1827)

---
 lib/core/utils/scroll-state.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/core/utils/scroll-state.js b/lib/core/utils/scroll-state.js
index 3fe7261006..5e11cab6c7 100644
--- a/lib/core/utils/scroll-state.js
+++ b/lib/core/utils/scroll-state.js
@@ -14,6 +14,7 @@ function setScroll(elm, top, left) {
  * Create an array scroll positions from descending elements
  */
 function getElmScrollRecursive(root) {
+	// Need to also get .childNodes since SVGs in IE don't have .children.
 	return Array.from(root.children || root.childNodes || []).reduce(
 		(scrolls, elm) => {
 			const scroll = axe.utils.getScroll(elm);