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- <!DOCTYPE html>
- <!-- fieldset with no elements and invalid element is added dynamically -->
- <html>
- <head>
- <style>
- fieldset:invalid { display:none }
- </style>
- <script>
- function onLoadHandler()
- {
- document.getElementById("fieldset").appendChild(document.getElementById('i'));
- document.documentElement.className='';
- }
- </script>
- </head>
- <body onload='onLoadHandler();'>
- <input id='i' required>
- <fieldset id="fieldset">
- </fieldset>
- </body>
- </html>
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