Make AutoRangeArray check the container type

Differential Revision: https://phabricator.services.mozilla.com/D228624 bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1930050 gecko-commit: 46fe71fb62ef569e078011b19eeff18a4a326476 gecko-reviewers: m_kato
web-platform-tests · Nov 13, 2024 · 7402d36 · 7402d36
1 parent 7b7e245
commit 7402d36
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/editing/crashtests/formatblock-when-root-is-editing-host.html b/editing/crashtests/formatblock-when-root-is-editing-host.html
@@ -0,0 +1,16 @@
+<!doctype html>
+<html>
+<head>
+<meta charset="utf-8">
+<script>
+"use strict";
+
+document.addEventListener("DOMContentLoaded", () => {
+  document.documentElement.contentEditable = "true";
+  document.execCommand("formatBlock", false, "h3");
+}, {once: true});
+</script>
+</head>
+<body>
+text
+<!-- no-final-newline -->