IE11: ensure target.nodeName exists (#197)

WICG · Jun 4, 2019 · 7ca7f9c · 7ca7f9c
1 parent cde50e5
commit 7ca7f9c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/focus-visible.js b/src/focus-visible.js
@@ -222,7 +222,7 @@ function init() {
   function onInitialPointerMove(e) {
     // Work around a Safari quirk that fires a mousemove on <html> whenever the
     // window blurs, even if you're tabbing out of the page. ¯\_(ツ)_/¯
-    if (e.target.nodeName.toLowerCase() === 'html') {
+    if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {
       return;
     }