noop: safer code

philc · Jan 5, 2020 · a8e3a25 · a8e3a25
1 parent e99f58f
commit a8e3a25
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/content_scripts/hud.coffee b/content_scripts/hud.coffee
@@ -114,7 +114,9 @@ HUD =
     document.activeElement.blur() if document.activeElement == @hudUI?.iframeElement
 
   giveUpFocus: ->
-    if @hudUI.showing
+    # On Firefox, if an <iframe> disappears when it's focused, then it will keep "focused",
+    # which means keyboard events will always be dispatched to the HUD iframe
+    if @hudUI?.showing
       @hudUI.iframeElement.blur()
       window.focus()