From 66bfb31d8ea9b0a189cd92731934cbac6b76adeb Mon Sep 17 00:00:00 2001
From: Ashley Harrison <ashley.harrison@grafana.com>
Date: Thu, 1 Aug 2024 14:34:23 +0200
Subject: [PATCH] Tooltip: Handle case where `document.body` is the scrolling
 element (#91385)

* handle case where body is the scrolling element

* use instanceof Node instead
---
 .../grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx b/packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx
index 2478a716ec5..d2d362162a4 100644
--- a/packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx
+++ b/packages/grafana-ui/src/components/uPlot/plugins/TooltipPlugin2.tsx
@@ -580,7 +580,7 @@ export const TooltipPlugin2 = ({
 
     const onscroll = (e: Event) => {
       updatePlotVisible();
-      _isHovering && e.target instanceof HTMLElement && e.target.contains(_plot!.root) && dismiss();
+      _isHovering && e.target instanceof Node && e.target.contains(_plot!.root) && dismiss();
     };
 
     window.addEventListener('resize', updateWinSize);