test_document.all_iteration.html

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<!DOCTYPE html>

<meta charset=utf-8>

<title>Test for document.all iteration behavior</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id="log"></div>

<script>

test(function() {

  assert_array_equals([...document.all], document.getElementsByTagName("*"));

}, "document.all should be iterable");

</script>