---
title: HTMLFormElement.length
slug: Web/API/HTMLFormElement/length
translation_of: Web/API/HTMLFormElement/length
---
<div>
<div>{{APIRef("HTML DOM")}}</div>
</div>

<p>La propriété en lecture seule <code><strong>HTMLFormElement.length</strong></code> retourne le nombre de contrôles présents dans l'élément {{HTMLElement("Form")}}.</p>

<h2 id="Syntax" name="Syntax">Syntaxe</h2>

<pre class="syntaxbox"><var>integer</var> = form.length
</pre>

<h2 id="Example" name="Example">Exemple</h2>

<pre class="brush:js">if (document.getElementById("form1").length &gt; 1) {
  // more than one form control here
}
</pre>

<h2 id="Specifications" name="Specifications">Spécifications</h2>

<ul>
 <li><a href="http://www.w3.org/TR/html5/forms.html#dom-form-length" title="http://www.w3.org/TR/html5/forms.html#dom-form-length">HTML 5, Section 4.10.3, The form Element</a></li>
 <li><a href="http://www.w3.org/TR/DOM-Level-2-HTML/html.html#HTML-HTMLFormElement-length">DOM Level 2: length</a></li>
</ul>