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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 - iOS doesn't support indeterminate checkboxes"
   href="https://bugs.webkit.org/show_bug.cgi?id=160484">160484</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>iOS doesn't support indeterminate checkboxes
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>Safari 9
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>iOS
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>iOS 9.3
          </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>Forms
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>webkit&#64;chrisrebert.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Specification:
<a href="https://html.spec.whatwg.org/#dom-input-indeterminate">https://html.spec.whatwg.org/#dom-input-indeterminate</a>

Does this work in other (mobile) browsers?:
Yes; see <a href="http://caniuse.com/#feat=indeterminate-checkbox">http://caniuse.com/#feat=indeterminate-checkbox</a>

Steps to reproduce:
1. Open <a href="http://output.jsbin.com/hopasu/quiet">http://output.jsbin.com/hopasu/quiet</a> in iOS Safari

Expected result:
The middle checkbox should be displayed as being indeterminate.
(For comparison, on macOS Safari, the indeterminate status is displayed by
having the checkbox contain a horizontal bar (instead of a check mark) on a blue background.)

Actual result:
The middle checkbox is displayed the same as the unchecked top checkbox.</pre>
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