Revision 657971 of <output>

<div>
 {{HTMLVersionHeader(5)}}</div>
<h2 id="Summary" name="Summary">Summary</h2>
<p>The <strong>HTML <code>&lt;output&gt;</code> element</strong> represents the result of a calculation or user action.</p>
<ul class="htmlelt">
 <li><dfn><a href="/en-US/docs/HTML/Content_categories" title="HTML/Content_categories">Content categories</a></dfn> <a href="/en-US/docs/HTML/Content_categories#Flow_content" title="HTML/Content categories#Flow content">Flow content</a>, <a href="/en-US/docs/HTML/Content_categories#Phrasing_content" title="HTML/Content categories#Phrasing content">phrasing content</a>, <a href="/en-US/docs/HTML/Content_categories#Form_listed" title="HTML/Content categories#Form listed">listed</a>, <a href="/en-US/docs/HTML/Content_categories#Form_labelable" title="HTML/Content categories#Form labelable">labelable</a>, <a href="/en-US/docs/HTML/Content_categories#Form_resettable" title="HTML/Content categories#Form resettable">resettable</a>&nbsp; <a href="/en-US/docs/HTML/Content_categories#Form-associated_content" title="HTML/Content categories#Form-associated content">form-associated element</a>, palpable content.</li>
 <li><dfn>Permitted content</dfn> <a href="/en-US/docs/HTML/Content_categories#Phrasing_content" title="HTML/Content categories#Phrasing content">Phrasing content</a>.</li>
 <li><dfn>Tag omission</dfn> {{no_tag_omission}}</li>
 <li><dfn>Permitted parent elements</dfn> Any element that accepts <a href="/en-US/docs/HTML/Content_categories#Phrasing_content" title="HTML/Content categories#Phrasing content">phrasing content</a>.</li>
 <li><dfn>DOM interface</dfn> {{domxref("HTMLOutputElement")}}</li>
</ul>
<h2 id="Attributes" name="Attributes">Attributes</h2>
<p><span style="line-height: 21px;">This element includes the&nbsp;</span><a href="https://developer.mozilla.org/en-US/docs/HTML/Global_attributes" style="line-height: 21px;" title="HTML/Global attributes">global attributes</a><span style="line-height: 21px;">.</span></p>
<dl>
 <dt>
  {{htmlattrdef("for")}}</dt>
 <dd>
  A list of IDs of other elements, indicating that those elements contributed input values to (or otherwise affected) the calculation.</dd>
 <dt>
  {{htmlattrdef("form")}}</dt>
 <dd>
  The form element that this element is associated with (its "form owner"). The value of the attribute must be an ID of a form element in the same document. If this attribute is not specified, the output element must be a descendant of a form element. This attribute enables you to place output elements anywhere within a document, not just as descendants of their form elements.</dd>
 <dt>
  {{htmlattrdef("name")}}</dt>
 <dd>
  The name of the element.</dd>
</dl>
<h2 id="Example" name="Example">Example</h2>
<pre class="brush:html">
&lt;form oninput="result.value=parseInt(a.value)+parseInt(b.value)"&gt;
    &lt;input type="range" name="b" value="50" /&gt; +
    &lt;input type="number" name="a" value="10" /&gt; =
    &lt;output name="result"&gt;&lt;/output&gt;
&lt;/form&gt;
</pre>
<h2 id="Specifications" name="Specifications">Specifications</h2>
<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName('HTML WHATWG', 'the-button-element.html#the-output-element', '&lt;output&gt;')}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td>&nbsp;</td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5 W3C', 'forms.html#the-output-element', '&lt;output&gt;')}}</td>
   <td>{{Spec2('HTML5 W3C')}}</td>
   <td>&nbsp;</td>
  </tr>
 </tbody>
</table>
<h2 id="Browser_compatibility" name="Browser_compatibility">Browser compatibility</h2>
<p>{{CompatibilityTable}}</p>
<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</th>
   </tr>
   <tr>
    <td>Basic support</td>
    <td>10</td>
    <td>{{CompatGeckoDesktop("2.0")}}</td>
    <td>{{ CompatNo() }}</td>
    <td>11</td>
    <td>7</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>IE Mobile</th>
    <th>Opera Mobile</th>
    <th>Safari Mobile</th>
   </tr>
   <tr>
    <td>Basic support</td>
    <td>{{CompatUnknown}}</td>
    <td>{{CompatGeckoDesktop("2.0")}}</td>
    <td>{{CompatUnknown}}</td>
    <td>{{CompatUnknown}}</td>
    <td>7</td>
   </tr>
  </tbody>
 </table>
</div>
<h2 id="See_also" name="See_also">See also</h2>
<ul>
 <li>Other form-related elements: {{HTMLElement("form")}}, {{HTMLElement("input")}}, {{HTMLElement("button")}}, {{HTMLElement("datalist")}}, {{HTMLElement("legend")}}, {{HTMLElement("label")}}, {{HTMLElement("select")}}, {{HTMLElement("optgroup")}}, {{HTMLElement("option")}}, {{HTMLElement("textarea")}}, {{HTMLElement("keygen")}}, {{HTMLElement("fieldset")}}, {{HTMLElement("progress")}} and {{HTMLElement("meter")}}.</li>
</ul>
<div>
 {{HTMLRef}}</div>
<p>&nbsp;</p>