<!DOCTYPE html><html lang="en-US-x-Hixie"><meta charset="utf-8"><title>4.10.10 The datalist element — HTML5</title><style type="text/css">
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<h1>HTML5</h1>
<h2 class="no-num no-toc" id="a-vocabulary-and-associated-apis-for-html-and-xhtml">A vocabulary and associated APIs for HTML and XHTML</h2>
<h2 class="no-num no-toc" id="editor's-draft-date-1-january-1970">Editor's Draft 21 November 2012</h2>
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<h4 id="the-datalist-element"><span class="secno">4.10.10 </span>The <dfn><code>datalist</code></dfn> element</h4>
<dl class="element"><dt><a href="element-definitions.html#element-dfn-categories" title="element-dfn-categories">Categories</a>:</dt>
<dd><a href="content-models.html#flow-content-1">Flow content</a>.</dd>
<dd><a href="content-models.html#phrasing-content-1">Phrasing content</a>.</dd>
<dt><a href="element-definitions.html#element-dfn-contexts" title="element-dfn-contexts">Contexts in which this element can be used</a>:</dt>
<dd>Where <a href="content-models.html#phrasing-content-1">phrasing content</a> is expected.</dd>
<dt><a href="element-definitions.html#element-dfn-content-model" title="element-dfn-content-model">Content model</a>:</dt>
<dd>Either: <a href="content-models.html#phrasing-content-1">phrasing content</a>.</dd>
<dd>Or: Zero or more <code><a href="the-option-element.html#the-option-element">option</a></code> elements.</dd>
<dt><a href="element-definitions.html#element-dfn-attributes" title="element-dfn-attributes">Content attributes</a>:</dt>
<dd><a href="global-attributes.html#global-attributes">Global attributes</a></dd>
<dt><a href="element-definitions.html#element-dfn-dom" title="element-dfn-dom">DOM interface</a>:</dt><!--TOPIC:DOM APIs-->
<dd>
<pre class="idl">interface <dfn id="htmldatalistelement">HTMLDataListElement</dfn> : <a href="elements.html#htmlelement">HTMLElement</a> {
readonly attribute <a href="infrastructure.html#htmlcollection">HTMLCollection</a> <a href="#dom-datalist-options" title="dom-datalist-options">options</a>;
};</pre>
</dd>
</dl><!--TOPIC:HTML--><p>The <code><a href="#the-datalist-element">datalist</a></code> element represents a set of
<code><a href="the-option-element.html#the-option-element">option</a></code> elements that represent predefined options for
other controls. The contents of the element represents fallback
content for legacy user agents, intermixed with <code><a href="the-option-element.html#the-option-element">option</a></code>
elements that represent the predefined options. In the rendering,
the <code><a href="#the-datalist-element">datalist</a></code> element <a href="rendering.html#represents">represents</a>
nothing<span class="impl"> and it, along with its children, should
be hidden</span>.</p>
<p>The <code><a href="#the-datalist-element">datalist</a></code> element is hooked up to an
<code><a href="the-input-element.html#the-input-element">input</a></code> element using the <code title="attr-input-list"><a href="common-input-element-attributes.html#attr-input-list">list</a></code> attribute on the
<code><a href="the-input-element.html#the-input-element">input</a></code> element.</p>
<p>Each <code><a href="the-option-element.html#the-option-element">option</a></code> element that is a descendant of the
<code><a href="#the-datalist-element">datalist</a></code> element, that is not <a href="the-option-element.html#concept-option-disabled" title="concept-option-disabled">disabled</a>, and whose <a href="the-option-element.html#concept-option-value" title="concept-option-value">value</a> is a string that isn't the
empty string, represents a suggestion. Each suggestion has a <a href="the-option-element.html#concept-option-value" title="concept-option-value">value</a> and a <a href="the-option-element.html#concept-option-label" title="concept-option-label">label</a>.
<!--TOPIC:DOM APIs-->
<dl class="domintro"><dt><var title="">datalist</var> . <code title="dom-datalist-options"><a href="#dom-datalist-options">options</a></code></dt>
<dd>
<p>Returns an <code><a href="infrastructure.html#htmlcollection">HTMLCollection</a></code> of the <code>options</code> elements of the table.</p>
</dd>
</dl><div class="impl">
<p>The <dfn id="dom-datalist-options" title="dom-datalist-options"><code>options</code></dfn>
IDL attribute must return an <code><a href="infrastructure.html#htmlcollection">HTMLCollection</a></code> rooted at
the <code><a href="#the-datalist-element">datalist</a></code> node, whose filter matches
<code><a href="the-option-element.html#the-option-element">option</a></code> elements.</p>
<p><strong>Constraint validation</strong>: If an element has a
<code><a href="#the-datalist-element">datalist</a></code> element ancestor, it is <a href="constraints.html#barred-from-constraint-validation">barred from
constraint validation</a>.</p>
</div>
<!--TOPIC:HTML-->
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