docs(utils): add code comment in scroll-state for why childNodes is n…

…eeded for SVGs in IE (#1827)
dequelabs · Sep 30, 2019 · b319ea2 · b319ea2
1 parent 64c59ab
commit b319ea2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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);