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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Date.parse should not accept second values of "60""
href="https://bugs.webkit.org/show_bug.cgi?id=147098">147098</a>
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<th>Summary</th>
<td>Date.parse should not accept second values of "60"
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<th>Classification</th>
<td>Unclassified
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<th>Product</th>
<td>WebKit
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<th>Version</th>
<td>528+ (Nightly build)
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<th>Hardware</th>
<td>Unspecified
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<th>URL</th>
<td>http://ecma-international.org/ecma-262/6.0/#sec-date-time-string-format
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
</td>
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<th>Keywords</th>
<td>ES5
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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>JavaScriptCore
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>ljharb@gmail.com
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<th>CC</th>
<td>darin@apple.com, fpizlo@apple.com, utatane.tea@gmail.com
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<p>
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<pre>`Date.parse('2012-12-31T23:59:60.000Z')` should return NaN, and instead returns `Date.parse('2013-01-01T00:00:00.000Z')`
`Date.parse('2015-06-30T23:59:60.000Z')` should return NaN, and instead returns `Date.parse('2015-07-01T00:00:00.000Z')`
Note that the second example is an actual leap second, and it doesn't even work properly.
The spec requires that only seconds from 0 to 59 are supported.</pre>
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