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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Touchstart event on dom will delay requestAnimationFrame execution and causes drop frame"
href="https://bugs.webkit.org/show_bug.cgi?id=149578">149578</a>
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<th>Summary</th>
<td>Touchstart event on dom will delay requestAnimationFrame execution and causes drop frame
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>Safari 9
</td>
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<th>Hardware</th>
<td>iOS
</td>
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<th>OS</th>
<td>iOS 9.0
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>Event Handling
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>yjhatfdu@gmail.com
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<pre>When I touch on a dom, the next requestAnimationFrame will not fired as it was in iOS8,it will delay for about 5ms after the touchStart event done. This makes the html5 games drop frame.</pre>
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