---
title: XMLHttpRequest.mozSystem
slug: Web/API/XMLHttpRequest/mozSystem
translation_of: Web/API/XMLHttpRequest/mozSystem
---
<div>{{draft}}{{APIRef('XMLHttpRequest')}}</div>

<p><span class="seoSummary"><strong><code>mozSystem</code></strong> is a boolean. If true, the same origin policy is not enforced on the request.</span></p>

<p><span class="seoSummary">mozSystem 是一个布尔值。如果它被设置为true，那么在请求时就不会强制要求执行同源策略（Same Origin Policy）。</span></p>