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+---
+title: AbortController.abort()
+slug: Web/API/FetchController/abort
+translation_of: Web/API/AbortController/abort
+---
+<div>{{APIRef("DOM")}}{{SeeCompatTable}}</div>
+
+<p>The <strong><code>abort()</code></strong> method of the {{domxref("AbortController")}} interface aborts a DOM request (e.g. a Fetch request) before it has completed. This is able to abort <a href="/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch">fetch requests</a>, consumption of any response {{domxref("Body")}}, and streams.</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="brush: js">controller.abort();</pre>
+
+<h3 id="Parameters">Parameters</h3>
+
+<p>None.</p>
+
+<h3 id="Return_value">Return value</h3>
+
+<p>Void.</p>
+
+<h2 id="Examples">Examples</h2>
+
+<p>In the following snippet, we aim to download a video using the <a href="/en-US/docs/Web/API/Fetch_API">Fetch API</a>.</p>
+
+<p>We first create a controller using the {{domxref("AbortController.AbortController","AbortController()")}} constructor, then grab a reference to its associated {{domxref("AbortSignal")}} object using the {{domxref("AbortController.signal")}} property.</p>
+
+<p>When the <a href="/en-US/docs/Web/API/WindowOrWorkerGlobalScope/fetch">fetch request</a> is initiated, we pass in the <code>AbortSignal</code> as an option inside the request's options object (see <code>{signal}</code>, below). This associates the signal and controller with the fetch request and allows us to abort it by calling {{domxref("AbortController.abort()")}}, as seen below in the second event listener.</p>
+
+<pre class="brush: js">var controller = new AbortController();
+var signal = controller.signal;
+
+var downloadBtn = document.querySelector('.download');
+var abortBtn = document.querySelector('.abort');
+
+downloadBtn.addEventListener('click', fetchVideo);
+
+abortBtn.addEventListener('click', function() {
+  controller.abort();
+  console.log('Download aborted');
+});
+
+function fetchVideo() {
+  ...
+  fetch(url, {signal}).then(function(response) {
+    ...
+  }).catch(function(e) {
+    reports.textContent = 'Download error: ' + e.message;
+  })
+}</pre>
+
+<div class="note">
+<p><strong>Note</strong>: When <code>abort()</code> is called, the <code>fetch()</code> promise rejects with an <code>AbortError</code>.</p>
+</div>
+
+<p>You can find a full working example on GitHub — see <a href="https://github.com/mdn/dom-examples/tree/master/abort-api">abort-api</a> (<a href="https://mdn.github.io/dom-examples/abort-api/">see it running live also</a>).</p>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('DOM WHATWG', '#dom-abortcontroller-abort', 'abort()')}}</td>
+   <td>{{Spec2('DOM WHATWG')}}</td>
+   <td>Initial definition</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+
+
+<p>{{Compat("api.AbortController.abort")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Fetch_API">Fetch API</a></li>
+</ul>