348809-1f.html - mozsearch

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<!DOCTYPE html>

<html>

<head>

<style>

span { color: green }

:default:checked + span { color: red }

input { display: none }

</style>

</head>

<body>

<input type="checkbox" checked="checked" id="foo"><span>There should be no red</span>

 <script>

  var foo = document.body.offsetWidth;

  document.getElementById("foo").removeAttribute("checked");

</script>

</body>

</html>