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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Web Inspector: Show upcoming values of non-native iterators"
href="https://bugs.webkit.org/show_bug.cgi?id=152682">152682</a>
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<th>Summary</th>
<td>Web Inspector: Show upcoming values of non-native iterators
</td>
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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>WebKit Nightly Build
</td>
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<th>Hardware</th>
<td>All
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<th>OS</th>
<td>All
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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
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<th>Component</th>
<td>Web Inspector
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>nvasilyev@apple.com
</td>
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<th>CC</th>
<td>bburg@apple.com, graouts@webkit.org, joepeck@webkit.org, mattbaker@apple.com, nvasilyev@apple.com, timothy@apple.com, webkit-bug-importer@group.apple.com
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<pre>Created <span class=""><a href="attachment.cgi?id=268178" name="attach_268178" title="[Animated GIF] Actual/expected">attachment 268178</a> <a href="attachment.cgi?id=268178&action=edit" title="[Animated GIF] Actual/expected">[details]</a></span>
[Animated GIF] Actual/expected
Web Inspector neatly shows upcoming values for native iterators.
<a href="https://webkit.org/blog/3516/web-inspector-console-improvements/">https://webkit.org/blog/3516/web-inspector-console-improvements/</a>
Unfortunately, it doesn't do it for developer defined iterators.
Custom data structures such as linked lists, ordered sets, ordered maps,
sorted arrays and many others that you can find in Immutable.js[1]
and Collections.js[2] would benefit from better console logging.
Web Inspector could show upcoming values for all objects that have
Symbol.iterator property.
Reduction: <a href="http://nv.github.io/webkit-inspector-bugs/iterators-custom/">http://nv.github.io/webkit-inspector-bugs/iterators-custom/</a>
[1]: <a href="http://facebook.github.io/immutable-js/docs/">http://facebook.github.io/immutable-js/docs/</a>
[2]: <a href="http://www.collectionsjs.com/all">http://www.collectionsjs.com/all</a></pre>
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