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- <!DOCTYPE html>
- <html class="reftest-wait">
- <!-- Test: if button has a disabled fieldset ancestor, it is barred from
- constraint validation and should not be affected by :invalid
- pseudo-class. -->
- <link rel='stylesheet' type='text/css' href='style.css'>
- <script>
- function onloadHandler()
- {
- var e = document.getElementById('b');
- e.setCustomValidity('foo');
- var fieldsets = document.getElementsByTagName("fieldset");
- fieldsets[1].disabled = true;
- fieldsets[0].disabled = false;
- document.documentElement.className='';
- }
- </script>
- <body onload="onloadHandler();">
- <fieldset disabled>
- <fieldset>
- <button class='notinvalid' id='b'></button>
- </fieldset>
- </fieldset>
- </body>
- </html>
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