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title="">form</var>.elements</a></code> and <code
title=dom-fieldset-elements><a href="#elements4"><var
title="">fieldset</var>.elements</a></code> APIs.

<dt><dfn id=labelable title=category-label>Labelable</dfn>

<dd>Denotes elements that can be associated with <code><a
href="#label">label</a></code> elements.
</dl>

<p>In addition, some <a href="#submittable"

<dt>Content model:

<dd><a href="#phrasing0">Phrasing content</a>.
<dd>If the element has a <code title=attr-label-for><a
href="#for">for</a></code> attribute: <a href="#phrasing0">Phrasing
content</a>, but with no descendant <a href="#labelable"
title=category-label>labelable form-associated elements</a> or <code><a
href="#label">label</a></code> elements.

<dd>Otherwise: <a href="#phrasing0">Phrasing content</a>, but with at most
one descendant <a href="#labelable" title=category-label>labelable
form-associated element</a>, and with no descendant <code><a
href="#label">label</a></code> elements.

<dt>Element-specific attributes:

<dd><code title=attr-fae-form><a href="#form0">form</a></code>

<dd><code title=attr-label-for>for</code>
<dd><code title=attr-label-for><a href="#for">for</a></code>

<dt>DOM interface:

<dd>
<pre
class=idl>interface <dfn id=htmllabelelement>HTMLLabelElement</dfn> : <a href="#htmlelement">HTMLElement</a> {
readonly attribute <a href="#htmlformelement">HTMLFormElement</a> <a href="#form1" title=dom-fae-form>form</a>;
attribute DOMString <span title=dom-label-htmlFor>htmlFor</span>;
readonly attribute <a href="#htmlelement">HTMLElement</a> <span title=dom-label-control>control</span>;
attribute DOMString <a href="#htmlfor" title=dom-label-htmlFor>htmlFor</a>;
readonly attribute <a href="#htmlelement">HTMLElement</a> <a href="#control" title=dom-label-control>control</a>;
};</pre>
</dl>

<p class=big-issue>...</p>
<!--XXX
what does <label> _mean_? how about an empty one, one which contains
more than one control, no controls?
-->
<p>The <code><a href="#label">label</a></code> represents a caption in a
user interface. The caption can be associated with a specific form
control, known as the <code><a href="#label">label</a></code> element's
<dfn id=labeled>labeled control</dfn>.

<p>Unless otherwise specified by the following rules, a <code><a
href="#label">label</a></code> element has no <a href="#labeled">labeled
control</a>.

<p>The <dfn id=for title=attr-label-for><code>for</code></dfn> attribute
may be specified to indicate a form control with which the caption is to
be associated. If the attribute is specified, the attribute's value must
be the ID of a <a href="#labelable" title=category-label>labelable
form-associated element</a> in the same <code>Document</code> as the
<code><a href="#label">label</a></code> element. If the attribute is
specified and there is an element in the <code>Document</code> whose ID is
equal to the value of the <code title=attr-label-for><a
href="#for">for</a></code> attribute, and the first such element is a <a
href="#labelable" title=category-label>labelable form-associated
element</a>, then that element is the <code><a
href="#label">label</a></code> element's <a href="#labeled">labeled
control</a>.

<p>If the <code title=attr-label-for><a href="#for">for</a></code>
attribute is not specified, but the <code><a
href="#label">label</a></code> element has a <span>labelable
form-associated element</span> descendant, then the first such descendant
in <a href="#tree-order">tree order</a> is the <code><a
href="#label">label</a></code> element's <a href="#labeled">labeled
control</a>.

<p>The <code title=attr-fae-form><a href="#form0">form</a></code> attribute
is used to explicitly associate the <code><a
href="#label">label</a></code> element with its <a href="#form-owner">form
owner</a>. The <code title=attr-fe-name><a href="#name11">name</a></code>
attribute represents the element's name.

<p>The <dfn id=htmlfor title=dom-label-htmlFor><code>htmlFor</code></dfn>
DOM attribute must <a href="#reflect">reflect</a> the <code
title=attr-label-for><a href="#for">for</a></code> content attribute.

<p>The <dfn id=control title=dom-label-control><code>control</code></dfn>
DOM attribute must return the <code><a href="#label">label</a></code>
element's <a href="#labeled">labeled control</a>, if any, or null if there
isn't one.

<hr>

<p><span title="labelable form-associated element">Labelable
form-associated elements</span> have a <code>NodeList</code> object
associated with them that represents the list of <code><a
href="#label">label</a></code> elements, in <a href="#tree-order">tree
order</a>, whose <a href="#labeled">labeled control</a> is the element in
question. The <dfn id=labels
title=dom-lfe-labels><code>labels</code></dfn> DOM attribute of <span
title="labelable form-associated element">labelable form-associated
elements</span>, on getting, must return that <code>NodeList</code>
object.

<h4 id=the-input><span class=secno>4.9.4 </span>The <dfn
id=input0><code>input</code></dfn> element</h4>

<dd><a href="#interactive1">Interactive content</a>.

<dd><a href="#listed" title=category-listed>Listed</a>, <a
href="#labelable" title=category-label>labelable</a>, <a
href="#submittable" title=category-submit>submittable</a>, and <a
href="#resettable" title=category-reset>resettable</a> <a
href="#form-associated">form-associated element</a>.
attribute float <span title=dom-input-valueAsNumber>valueAsNumber</span>;
readonly attribute <a href="#htmloptionelement">HTMLOptionElement</a> <span title=dom-input-selectedOption>selectedOption</span>;

readonly attribute <a href="#htmlcollection0">HTMLCollection</a> <span title=dom-input-labels>labels</span>;
readonly attribute <a href="#htmlcollection0">HTMLCollection</a> <a href="#labels" title=dom-lfe-labels>labels</a>;

void <span title=dom-input-stepUp>stepUp</span>(in int n);
void <span title=dom-input-stepDown>stepDown</span>(in int n);

<dd><a href="#interactive1">Interactive content</a>.

<dd><a href="#listed" title=category-listed>Listed</a> and <a
<dd><a href="#listed" title=category-listed>Listed</a>, <a
href="#labelable" title=category-label>labelable</a>, and <a
href="#submittable" title=category-submit>submittable</a> <a
href="#form-associated">form-associated element</a>.

attribute DOMString <span title=dom-button-type>type</span>;
attribute DOMString <span title=dom-button-value>value</span>;

readonly attribute <a href="#htmlcollection0">HTMLCollection</a> <span title=dom-button-labels>labels</span>;
readonly attribute <a href="#htmlcollection0">HTMLCollection</a> <a href="#labels" title=dom-lfe-labels>labels</a>;

readonly attribute boolean <a href="#willvalidate" title=dom-cva-willValidate>willValidate</a>;
readonly attribute <span>ValidityState</span> <a href="#validity" title=dom-cva-validity>validity</a>;
<dd><a href="#interactive1">Interactive content</a>.

<dd><a href="#listed" title=category-listed>Listed</a>, <a
href="#labelable" title=category-label>labelable</a>, <a
href="#submittable" title=category-submit>submittable</a>, and <a
href="#resettable" title=category-reset>resettable</a> <a
href="#form-associated">form-associated element</a>.
attribute long <span title=dom-select-selectedIndex>selectedIndex</span>;
attribute DOMString <span title=dom-select-value>value</span>;

readonly attribute <a href="#htmlcollection0">HTMLCollection</a> <span title=dom-select-labels>labels</span>;
readonly attribute <a href="#htmlcollection0">HTMLCollection</a> <a href="#labels" title=dom-lfe-labels>labels</a>;

void <span title=dom-select-add>add</span>(in <a href="#htmlelement">HTMLElement</a> element, in <a href="#htmlelement">HTMLElement</a> before);
void <span title=dom-select-remove>remove</span>(in long index);
<dd><a href="#interactive1">Interactive content</a>.

<dd><a href="#listed" title=category-listed>Listed</a>, <a
href="#labelable" title=category-label>labelable</a>, <a
href="#submittable" title=category-submit>submittable</a>, and <a
href="#resettable" title=category-reset>resettable</a> <a
href="#form-associated">form-associated element</a>.
attribute DOMString <span title=dom-textarea-defaultValue>defaultValue</span>;
attribute DOMString <span title=dom-textarea-value>value</span>;

readonly attribute <a href="#htmlcollection0">HTMLCollection</a> <span title=dom-textarea-labels>labels</span>;
readonly attribute <a href="#htmlcollection0">HTMLCollection</a> <a href="#labels" title=dom-lfe-labels>labels</a>;

readonly attribute boolean <a href="#willvalidate" title=dom-cva-willValidate>willValidate</a>;
readonly attribute <span>ValidityState</span> <a href="#validity" title=dom-cva-validity>validity</a>;
75 source
and <code title="dom-fieldset-elements"><var
title="">fieldset</var>.elements</code> APIs.</dd>

<dt><dfn title="category-label">Labelable</dfn></dt>

<dd>Denotes elements that can be associated with <code>label</code>
elements.</dd>

</dl>

<p>In addition, some <span
<dt>Contexts in which this element may be used:</dt>
<dd>Where <span>phrasing content</span> is expected.</dd>
<dt>Content model:</dt>
<dd><span>Phrasing content</span>.</dd>
<dd>If the element has a <code title="attr-label-for">for</code> attribute: <span>Phrasing content</span>, but with no descendant <span title="category-label">labelable form-associated elements</span> or <code>label</code> elements.</dd>
<dd>Otherwise: <span>Phrasing content</span>, but with at most one descendant <span title="category-label">labelable form-associated element</span>, and with no descendant <code>label</code> elements.</dd>
<dt>Element-specific attributes:</dt>
<dd><code title="attr-fae-form">form</code></dd>
<dd><code title="attr-label-for">for</code></dd>
</dd>
</dl>

<p class="big-issue">...</p>
<!--XXX
what does <label> _mean_? how about an empty one, one which contains
more than one control, no controls?
-->
<p>The <code>label</code> represents a caption in a user
interface. The caption can be associated with a specific form
control, known as the <code>label</code> element's <dfn>labeled
control</dfn>.</p>

<p>Unless otherwise specified by the following rules, a
<code>label</code> element has no <span>labeled control</span>.</p>

<p>The <dfn title="attr-label-for"><code>for</code></dfn> attribute
may be specified to indicate a form control with which the caption
is to be associated. If the attribute is specified, the attribute's
value must be the ID of a <span title="category-label">labelable
form-associated element</span> in the same <code>Document</code> as
the <code>label</code> element. If the attribute is specified and
there is an element in the <code>Document</code> whose ID is equal
to the value of the <code title="attr-label-for">for</code>
attribute, and the first such element is a <span
title="category-label">labelable form-associated element</span>,
then that element is the <code>label</code> element's <span>labeled
control</span>.</p>

<p>If the <code title="attr-label-for">for</code> attribute is not
specified, but the <code>label</code> element has a <span>labelable
form-associated element</span> descendant, then the first such
descendant in <span>tree order</span> is the <code>label</code>
element's <span>labeled control</span>.</p>

<p>The <code title="attr-fae-form">form</code> attribute is used to
explicitly associate the <code>label</code> element with its
<span>form owner</span>. The <code title="attr-fe-name">name</code>
attribute represents the element's name.</p>

<p>The <dfn title="dom-label-htmlFor"><code>htmlFor</code></dfn> DOM
attribute must <span>reflect</span> the <code
title="attr-label-for">for</code> content attribute.</p>

<p>The <dfn title="dom-label-control"><code>control</code></dfn> DOM
attribute must return the <code>label</code> element's <span>labeled
control</span>, if any, or null if there isn't one.</p>

<hr>

<p><span title="labelable form-associated element">Labelable
form-associated elements</span> have a <code>NodeList</code> object
associated with them that represents the list of <code>label</code>
elements, in <span>tree order</span>, whose <span>labeled
control</span> is the element in question. The <dfn
title="dom-lfe-labels"><code>labels</code></dfn> DOM attribute of
<span title="labelable form-associated element">labelable
form-associated elements</span>, on getting, must return that
<code>NodeList</code> object.</p>



<h4>The <dfn><code>input</code></dfn> element</h4>
<dt>Categories</dt>
<dd><span>Phrasing content</span>.</dd>
<dd><span>Interactive content</span>.</dd>
<dd><span title="category-listed">Listed</span>, <span title="category-submit">submittable</span>, and <span title="category-reset">resettable</span> <span>form-associated element</span>.</dd>
<dd><span title="category-listed">Listed</span>, <span title="category-label">labelable</span>, <span title="category-submit">submittable</span>, and <span title="category-reset">resettable</span> <span>form-associated element</span>.</dd>
<dt>Contexts in which this element may be used:</dt>
<dd>Where <span>phrasing content</span> is expected.</dd>
<dt>Content model:</dt>
attribute float <span title="dom-input-valueAsNumber">valueAsNumber</span>;
readonly attribute <span>HTMLOptionElement</span> <span title="dom-input-selectedOption">selectedOption</span>;

readonly attribute <span>HTMLCollection</span> <span title="dom-input-labels">labels</span>;
readonly attribute <span>HTMLCollection</span> <span title="dom-lfe-labels">labels</span>;

void <span title="dom-input-stepUp">stepUp</span>(in int n);
void <span title="dom-input-stepDown">stepDown</span>(in int n);
<dt>Categories</dt>
<dd><span>Phrasing content</span>.</dd>
<dd><span>Interactive content</span>.</dd>
<dd><span title="category-listed">Listed</span> and <span title="category-submit">submittable</span> <span>form-associated element</span>.</dd>
<dd><span title="category-listed">Listed</span>, <span title="category-label">labelable</span>, and <span title="category-submit">submittable</span> <span>form-associated element</span>.</dd>
<dt>Contexts in which this element may be used:</dt>
<dd>Where <span>phrasing content</span> is expected.</dd>
<dt>Content model:</dt>
attribute DOMString <span title="dom-button-type">type</span>;
attribute DOMString <span title="dom-button-value">value</span>;

readonly attribute <span>HTMLCollection</span> <span title="dom-button-labels">labels</span>;
readonly attribute <span>HTMLCollection</span> <span title="dom-lfe-labels">labels</span>;

readonly attribute boolean <span title="dom-cva-willValidate">willValidate</span>;
readonly attribute <span>ValidityState</span> <span title="dom-cva-validity">validity</span>;
<dt>Categories</dt>
<dd><span>Phrasing content</span>.</dd>
<dd><span>Interactive content</span>.</dd>
<dd><span title="category-listed">Listed</span>, <span title="category-submit">submittable</span>, and <span title="category-reset">resettable</span> <span>form-associated element</span>.</dd>
<dd><span title="category-listed">Listed</span>, <span title="category-label">labelable</span>, <span title="category-submit">submittable</span>, and <span title="category-reset">resettable</span> <span>form-associated element</span>.</dd>
<dt>Contexts in which this element may be used:</dt>
<dd>Where <span>phrasing content</span> is expected.</dd>
<dt>Content model:</dt>
attribute long <span title="dom-select-selectedIndex">selectedIndex</span>;
attribute DOMString <span title="dom-select-value">value</span>;

readonly attribute <span>HTMLCollection</span> <span title="dom-select-labels">labels</span>;
readonly attribute <span>HTMLCollection</span> <span title="dom-lfe-labels">labels</span>;

void <span title="dom-select-add">add</span>(in <span>HTMLElement</span> element, in <span>HTMLElement</span> before);
void <span title="dom-select-remove">remove</span>(in long index);
<dt>Categories</dt>
<dd><span>Phrasing content</span>.</dd>
<dd><span>Interactive content</span>.</dd>
<dd><span title="category-listed">Listed</span>, <span title="category-submit">submittable</span>, and <span title="category-reset">resettable</span> <span>form-associated element</span>.</dd>
<dd><span title="category-listed">Listed</span>, <span title="category-label">labelable</span>, <span title="category-submit">submittable</span>, and <span title="category-reset">resettable</span> <span>form-associated element</span>.</dd>
<dt>Contexts in which this element may be used:</dt>
<dd>Where <span>phrasing content</span> is expected.</dd>
<dt>Content model:</dt>
attribute DOMString <span title="dom-textarea-defaultValue">defaultValue</span>;
attribute DOMString <span title="dom-textarea-value">value</span>;

readonly attribute <span>HTMLCollection</span> <span title="dom-textarea-labels">labels</span>;
readonly attribute <span>HTMLCollection</span> <span title="dom-lfe-labels">labels</span>;

readonly attribute boolean <span title="dom-cva-willValidate">willValidate</span>;
readonly attribute <span>ValidityState</span> <span title="dom-cva-validity">validity</span>;

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