Fix

PostHog · Apr 24, 2024 · c5d1b03 · c5d1b03
1 parent 0b58c99
commit c5d1b03
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/heatmaps.ts b/src/heatmaps.ts
@@ -33,7 +33,8 @@ function elementOrParentPositionMatches(el: Element, matches: string[], breakOnE
 const TOOLBAR_ID = '__POSTHOG_TOOLBAR__'
 
 function elementInToolbar(el: Element): boolean {
-    return el.id === TOOLBAR_ID || !!el.closest('#__POSTHOG_TOOLBAR__')
+    // NOTE: .closest is not supported in IE11 hence the operator check
+    return el.id === TOOLBAR_ID || !!el.closest?.('#__POSTHOG_TOOLBAR__')
 }
 
 export class Heatmaps {