---
title: downloads.DoubleDelta
slug: Mozilla/Add-ons/WebExtensions/API/downloads/DoubleDelta
tags:
  - API
  - Add-ons
  - DoubleDelta
  - Extensions
  - Non-standard
  - Reference
  - Type
  - WebExtensions
  - downloads
translation_of: Mozilla/Add-ons/WebExtensions/API/downloads/DoubleDelta
---
<div>{{AddonSidebar()}}</div>

<p>Le type <code>DoubleDelta</code> de l'API {{WebExtAPIRef("downloads")}} représente la différence entre deux doubles.</p>

<h2 id="Type">Type</h2>

<p>Les valeurs de ce type sont des objets. Ils contiennent les propriétés suivantes :</p>

<dl>
 <dt><code>current</code>{{optional_inline}}</dt>
 <dd>Un <code>number</code> représentant la double valeur actuelle.</dd>
 <dt><code>previous</code>{{optional_inline}}</dt>
 <dd>Un <code>number</code> représentant la valeur double précédente.</dd>
</dl>

<h2 id="Compatibilité_du_navigateur">Compatibilité du navigateur</h2>

<p>{{Compat("webextensions.api.downloads.DoubleDelta")}}</p>

<p>{{WebExtExamples}}</p>

<div class="note"><p><strong>Note :</strong></p>

<p>Cette API est basée sur l'API Chromium <a href="https://developer.chrome.com/extensions/downloads"><code>chrome.downloads</code></a>.</p>

<p>Les données de compatibilité relatives à Microsoft Edge sont fournies par Microsoft Corporation et incluses ici sous la licence Creative Commons Attribution 3.0 pour les États-Unis.</p>
</div>

<div class="hidden">
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