files/fr/web/api/document/forms/index.html


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---
title: Document.forms
slug: Web/API/Document/forms
tags:
  - API
  - DOM
  - Document
  - Formulaires
  - Propriétés
translation_of: Web/API/Document/forms
---
<div>{{APIRef("DOM")}}</div>

<p>La propriété <code>forms</code> de {{domxref("Document")}} retourne une collection ({{domxref("HTMLCollection")}}) des éléments {{HTMLElement("form")}} présents dans le document actuel.</p>

<div class="note">
<p><strong>Note :</strong> De même, vous pouvez accéder à une liste des éléments d'entrée utilisateur d'un formulaire à l'aide de la propriété {{domxref ("HTMLFormElement.elements")}}.</p>
</div>

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

<pre class="syntaxbox"><var>collection</var> = document.forms;</pre>

<h3 id="Example" name="Example">Valeur</h3>

<p>Un objet {{domxref("HTMLCollection")}} listant tous les formulaires du document. Chaque élément de la collection est un {{domxref("HTMLFormElement")}} représentant un seul élément <code>&lt;form&gt;</code>.</p>

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

<h3 id="Example" name="Example">Récupérer les informations d'un formulaire</h3>

<pre class="brush:html">&lt;!DOCTYPE html&gt;
&lt;html lang="en"&gt;

&lt;head&gt;
&lt;title&gt;document.forms example&lt;/title&gt;
&lt;/head&gt;

&lt;body&gt;

&lt;form id="robby"&gt;
  &lt;input type="button" onclick="alert(document.forms[0].id);" value="robby's form" /&gt;
&lt;/form&gt;

&lt;form id="dave"&gt;
  &lt;input type="button" onclick="alert(document.forms[1].id);" value="dave's form" /&gt;
&lt;/form&gt;

&lt;form id="paul"&gt;
  &lt;input type="button" onclick="alert(document.forms[2].id);" value="paul's form" /&gt;
&lt;/form&gt;

&lt;/body&gt;
&lt;/html&gt;
</pre>

<h3 id="Accéder_à_un_élément_contenu_dans_un_formulaire">Accéder à un élément contenu dans un formulaire</h3>

<pre class="brush: js">var selectForm = document.forms[index];
var selectFormElement = document.forms[index].elements[index];
</pre>

<h3 id="Specification" name="Specification">Accéder aux formulaires nommés</h3>

<pre class="brush: html line-numbers  language-html"><code class="language-html"><span class="doctype token">&lt;!DOCTYPE html&gt;</span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>html</span> <span class="attr-name token">lang</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>en<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>head</span><span class="punctuation token">&gt;</span></span>
  <span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>title</span><span class="punctuation token">&gt;</span></span>document.forms example<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>title</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>head</span><span class="punctuation token">&gt;</span></span>

<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>body</span><span class="punctuation token">&gt;</span></span>

<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>form</span> <span class="attr-name token">name</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>login<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span>
  <span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>input</span> <span class="attr-name token">name</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>email<span class="punctuation token">"</span></span> <span class="attr-name token">type</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>email<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span>
  <span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>input</span> <span class="attr-name token">name</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>password<span class="punctuation token">"</span></span> <span class="attr-name token">type</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>password<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span>
  <span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>button</span> <span class="attr-name token">type</span><span class="attr-value token"><span class="punctuation token">=</span><span class="punctuation token">"</span>submit<span class="punctuation token">"</span></span><span class="punctuation token">&gt;</span></span>Log in<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>button</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>form</span><span class="punctuation token">&gt;</span></span>

<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;</span>script</span><span class="punctuation token">&gt;</span></span><span class="language-javascript script token">
  <span class="keyword token">var</span> loginForm <span class="operator token">=</span> document<span class="punctuation token">.</span>forms<span class="punctuation token">.</span>login<span class="punctuation token">;</span> <span class="comment token">// Ou document.forms['login']</span>
  loginForm<span class="punctuation token">.</span>elements<span class="punctuation token">.</span>email<span class="punctuation token">.</span>placeholder <span class="operator token">=</span> <span class="string token">'test@example.com'</span><span class="punctuation token">;</span>
  loginForm<span class="punctuation token">.</span>elements<span class="punctuation token">.</span>password<span class="punctuation token">.</span>placeholder <span class="operator token">=</span> <span class="string token">'password'</span><span class="punctuation token">;</span>
</span><span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>script</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>body</span><span class="punctuation token">&gt;</span></span>
<span class="tag token"><span class="tag token"><span class="punctuation token">&lt;/</span>html</span><span class="punctuation token">&gt;</span></span></code></pre>

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

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Spécification</th>
   <th scope="col">Statut</th>
   <th scope="col">Commentaire</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName('HTML WHATWG', '#dom-document-forms', 'Document.forms')}}</td>
   <td>{{ Spec2('HTML WHATWG') }}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{SpecName('DOM2 HTML', 'html.html#ID-1689064', 'Document.forms')}}</td>
   <td>{{ Spec2('DOM2 Events') }}</td>
   <td>Définition initiale.</td>
  </tr>
 </tbody>
</table>

<h2 id="See_Also" name="See_Also">Voir aussi</h2>

<ul>
 <li><a href="https://developer.mozilla.org/fr/docs/Web/Guide/HTML/Formulaires">Formulaires HTML</a></li>
 <li>{{HTMLElement("form")}} et l'interface {{domxref("HTMLFormElement")}}</li>
</ul>