Revision 465623 of PerformanceNavigation

<p>The <strong><code>PerformanceNavigation</code></strong> interface represents information about how the navigtion to the current document was done.</p>
<p>An object of this type can be obtained by calling the {{domxref("Performance.navigation")}} read-only attribute.</p>
<h2 id="Properties">Properties</h2>
<p><em>The <code>PerformanceNavigation</code> interface doesn't inherit any property.</em></p>
<dl>
  <dt>
    {{domxref("PerformanceNavigation.type")}} {{readonlyInline}}</dt>
  <dd>
    Is an <code>unsigned short</code> containing a constant describing how the navigation to this page was done. Possible values are:
    <table class="standard-table">
      <thead>
        <tr>
          <th scope="col">Value</th>
          <th scope="col">Constant name</th>
          <th scope="col">Meaning</th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td><code>0</code></td>
          <td><code>TYPE_NAVIGATE</code></td>
          <td>The page was accessed by following a link, a bookmark, a form submission, a script, or typing the URL in the address bar.</td>
        </tr>
        <tr>
          <td><code>1</code></td>
          <td><code>TYPE_RELOAD</code></td>
          <td>The page was accessed by clicking the Reload button or via the {{domxref("Location.reload()"}} method.</td>
        </tr>
        <tr>
          <td><code>2</code></td>
          <td><code>TYPE_BACK_FORWARD</code></td>
          <td>The page was accessed by navigating into the history.</td>
        </tr>
        <tr>
          <td><code>255</code></td>
          <td><code>TYPE_RESERVED</code></td>
          <td>Any other way.</td>
        </tr>
      </tbody>
    </table>
  </dd>
  <dt>
    {{domxref("PerformanceNavitgation.redirectCount")}} {{readonlyInline}}</dt>
  <dd>
    Is an <code>unsigned short</code> representing the number of REDIRECTs done before reaching the page.</dd>
</dl>
<h2 id="Methods">Methods</h2>
<p><em><em>The <code>Performance</code> interface doesn't inherits any </em>method</em>.</p>
<dl>
  <dt>
    {{domxref("PerformanceNavigation.toJSON()")}} {{non-standard_inline}}</dt>
  <dd>
    Is a jsonizer returning a json object representing the <code>PerformanceNavigation</code> object.</dd>
</dl>
<h2 id="Specifications">Specifications</h2>
<table class="standard-table">
  <tbody>
    <tr>
      <th scope="col">Specification</th>
      <th scope="col">Status</th>
      <th scope="col">Comment</th>
    </tr>
    <tr>
      <td>{{SpecName('Navigation Timing', '#sec-navigation-info-interface', 'PerformanceNavigation')}}</td>
      <td>{{Spec2('Navigation Timing')}}</td>
      <td>Initial definition.</td>
    </tr>
  </tbody>
</table>
<h2 id="Browser_compatibility">Browser compatibility</h2>
<div>
  {{CompatibilityTable}}</div>
<div id="compat-desktop">
  <table class="compat-table">
    <tbody>
      <tr>
        <th>Feature</th>
        <th>Chrome</th>
        <th>Firefox (Gecko)</th>
        <th>Internet Explorer</th>
        <th>Opera</th>
        <th>Safari (WebKit)</th>
      </tr>
      <tr>
        <td>Basic support</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
        <td>9.0</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
      </tr>
      <tr>
        <td><code>toJSON()</code> {{non-standard_inline}}</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
        <td>9.0</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
      </tr>
    </tbody>
  </table>
</div>
<div id="compat-mobile">
  <table class="compat-table">
    <tbody>
      <tr>
        <th>Feature</th>
        <th>Android</th>
        <th>Firefox Mobile (Gecko)</th>
        <th><strong>Firefox OS</strong></th>
        <th>IE Phone</th>
        <th>Opera Mobile</th>
        <th>Safari Mobile</th>
      </tr>
      <tr>
        <td>Basic support</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
        <td>9.0</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
      </tr>
      <tr>
        <td><code>toJSON()</code> {{non-standard_inline}}</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
        <td>9.0</td>
        <td>{{CompatNo}}</td>
        <td>{{CompatNo}}</td>
      </tr>
    </tbody>
  </table>
</div>
<h2 id="See_also">See also</h2>
<ul>
  <li>The {{domxref("Performance")}} that allows access to an object of this type.</li>
</ul>