Created
February 27, 2012 04:21
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Safari 5 3D overflow bug
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>backface visibility bug</title> | |
| <style> | |
| body { | |
| font-family: sans-serif; | |
| } | |
| #card { | |
| width: 200px; | |
| height: 200px; | |
| -webkit-transform: perspective(500px) rotateY(135deg); | |
| -webkit-transform-style: preserve-3d; | |
| position: relative; | |
| float: left; | |
| margin: 20px; | |
| } | |
| #card.is-overflow-hidden { | |
| overflow: hidden; | |
| } | |
| .face { | |
| width: 100%; | |
| height: 100%; | |
| position: absolute; | |
| left: 0; | |
| top: 0; | |
| text-align: center; | |
| line-height: 100px; | |
| color: white; | |
| font-size: 30px; | |
| font-weight: bold; | |
| -webkit-backface-visibility: hidden; | |
| } | |
| .front { background: red; } | |
| .back { background: blue; -webkit-transform: rotateY(180deg); } | |
| #copy { | |
| width: 400px; | |
| margin: 20px; | |
| float: left; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="card"> | |
| <div class="face front">Front</div> | |
| <div class="face back">Back</div> | |
| </div> | |
| <div id="copy"> | |
| <h1>backface visibility bug</h1> | |
| <p><a href="https://bugs.webkit.org/show_bug.cgi?id=79661">WebKit bug #79661</a></p> | |
| <h2>Test instructions</h2> | |
| <ol> | |
| <li><button id="overflow-toggler">Toggle overflow: hidden</button></li> | |
| </ol> | |
| <h2>Expected result</h2> | |
| <ul> | |
| <li>Blue "Back" face should still be visible</li> | |
| </ul> | |
| <h2>Observed result</h2> | |
| <ul> | |
| <li>Reversed red "Front" face is revealed.</li> | |
| </ul> | |
| </div> | |
| <script> | |
| window.onload = function() { | |
| var overflowToggler = document.getElementById('overflow-toggler'); | |
| var card = document.getElementById('card'); | |
| var isOverflowHidden = false; | |
| function onOverflowTogglerClick() { | |
| isOverflowHidden = !isOverflowHidden; | |
| card.className = isOverflowHidden ? 'is-overflow-hidden' : ''; | |
| } | |
| overflowToggler.addEventListener( 'click', onOverflowTogglerClick, false ); | |
| }; | |
| </script> | |
| </body> | |
| </html> |
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