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    <body><span class="vcard"><a class="email" href="mailto:gsnedders@apple.com" title="Sam Sneddon [:gsnedders] <gsnedders@apple.com>"> <span class="fn">Sam Sneddon [:gsnedders]</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - XMLHttpRequest Progress Even Not Firing for Requests Finished under 100Ms"
   href="https://bugs.webkit.org/show_bug.cgi?id=230294">bug 230294</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">CC</td>
           <td>
                
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           <td>cdumez@apple.com, webkit-bug-importer@group.apple.com, youennf@gmail.com
           </td>
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         <tr>
           <td style="text-align:right;">Component</td>
           <td>WebCore JavaScript
           </td>
           <td>WebKit Misc.
           </td>
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - XMLHttpRequest Progress Even Not Firing for Requests Finished under 100Ms"
   href="https://bugs.webkit.org/show_bug.cgi?id=230294#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - XMLHttpRequest Progress Even Not Firing for Requests Finished under 100Ms"
   href="https://bugs.webkit.org/show_bug.cgi?id=230294">bug 230294</a>
              from <span class="vcard"><a class="email" href="mailto:gsnedders@apple.com" title="Sam Sneddon [:gsnedders] <gsnedders@apple.com>"> <span class="fn">Sam Sneddon [:gsnedders]</span></a>
</span></b>
        <pre>Are we talking about progress events for the request upload or the response download?

How often, and when, do you expect the progress event to fire?

The spec says:

<span class="quote">> If not roughly 50ms have passed since these steps were last invoked, then return.</span >

So on the face of it, it should fire roughly every 50ms.

That said, going back to your root issue, I think the problem here is WebKit doesn't fire it _at all_ if it the request happens too quickly? That does sound like a bug.</pre>
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