---
title: Document.designMode
slug: Web/API/Document/designMode
translation_of: Web/API/Document/designMode
---
<div>{{ ApiRef() }}</div>

<div> </div>

<h2 id="Summary" name="Summary">Résumé</h2>

<p><span id="result_box" lang="fr"><span class="hps">document.designMode</span> <span class="hps">contrôle si</span> <span class="hps">l'ensemble du document</span> <span class="hps">est modifiable.</span> <span class="hps">Les valeurs valides sont</span> <span class="hps">"on"</span> <span class="hps">et "off"</span><span>.</span> <span class="hps">Conformément à la spécification</span><span>,</span> <span class="hps">cette propriété</span> <span class="hps">est par</span> <span class="hps">défaut</span> <span class="hps">sur "off"</span><span>.</span> <span class="hps">Firefox</span> <span class="hps">suit</span> <span class="hps">cette norme</span><span>.</span> <span class="hps">Les</span> <span class="hps">versions antérieures de</span> <span class="hps">Chrome</span> <span class="hps">et IE</span> <span class="hps">ont par défaut la valeur</span><span class="atn hps"> "</span></span><code>inherit</code><span lang="fr"><span>"</span><span>.</span> Pour les versions entre <span class="hps">IE6-10</span><span>,</span> <span class="hps">la valeur</span> <span class="hps">est en majuscule</span><span>.</span></span></p>

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

<pre class="brush: js">var mode = document.designMode;
document.designMode = "on";
document.designMode = "off";</pre>

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

<p>Rendre un document {{HTMLElement("iframe")}} éditable</p>

<pre>iframe_node.contentDocument.designMode = "on";
</pre>

<h2 id="Specifications">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', '#making-entire-documents-editable:-the-designmode-idl-attribute', 'designMode')}}</td>
      <td>{{Spec2('HTML WHATWG')}}</td>
      <td>Définition initiale.</td>
    </tr>
  </tbody>
</table>

<h2 id="Browser_compatibility">Compatibilité des navigateurs</h2>

<p>{{Compat("api.Document.designMode")}}</p>

<h2 id="See_also">Voir aussi</h2>

<ul>
  <li><a href="/fr/docs/Web/Guide/HTML/Editable_content/Rich-Text_Editing_in_Mozilla">Rich-Text Editing in Mozilla</a></li>
  <li>{{domxref("HTMLElement.contentEditable")}}</li>
</ul>