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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Update DataTransfer.prototype.types to a frozen array that updates on changes"
href="https://bugs.webkit.org/show_bug.cgi?id=162932">162932</a>
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<th>Summary</th>
<td>Update DataTransfer.prototype.types to a frozen array that updates on changes
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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 Technology Preview
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
</td>
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>HTML Editing
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>d@domenic.me
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<pre>In <a href="https://github.com/whatwg/html/issues/11#issuecomment-249155408">https://github.com/whatwg/html/issues/11#issuecomment-249155408</a> we discussed aligning all browsers on a new model for DataTransfer.prototype.types. It has the following changes from WebKit's model:
- Return a FrozenArray, instead of an array
- Keep returning the same object until changes are made, instead of returning a new object each time. (This helps make dataTransfer.types === dataTransfer.types, which is false in Chrome currently.)
The spec pull request is up at <a href="https://github.com/whatwg/html/pull/1860">https://github.com/whatwg/html/pull/1860</a>, with web platform tests (unfortunately manual) available at <a href="https://github.com/w3c/web-platform-tests/pull/3871">https://github.com/w3c/web-platform-tests/pull/3871</a></pre>
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