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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Streams API] getReader behaviour with empty mode"
   href="https://bugs.webkit.org/show_bug.cgi?id=161687">161687</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[Streams API] getReader behaviour with empty mode
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Local Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>WebKit Misc.
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>romain.wkt&#64;gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>calvaris&#64;igalia.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>According to latest spec and tests, getReader({ mode: '' }) throws a RangeError. As mentioned with regard to <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [Streams API] Align getReader() with spec"
   href="show_bug.cgi?id=160508">bug 160508</a> [1], it should be checked whether this is actually the intended behaviour or a spec error.

[1] <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [Streams API] Align getReader() with spec"
   href="show_bug.cgi?id=160508#c14">https://bugs.webkit.org/show_bug.cgi?id=160508#c14</a></pre>
        </div>
      </p>
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