---
title: MediaStreamTrack.id
slug: Web/API/MediaStreamTrack/id
tags:
  - Media Capture and Streams
  - MediaStreamTrack
  - Property
  - Read-only
  - Reference
  - WebRTC
translation_of: Web/API/MediaStreamTrack/id
---
<div>{{APIRef("Media Capture and Streams")}}</div>

<p><code><strong>MediaStreamTrack.id</strong></code> 읽기 전용 속성은 {{glossary("user agent", "사용자 에이전트")}}가 생성하는, 트랙의 전역 고유 식별자(GUID)를 담은 {{domxref("DOMString")}}을 반환합니다.</p>

<h2 id="구문">구문</h2>

<pre class="syntaxbox">const <em>id</em> = <em>track</em>.id</pre>

<h2 id="명세">명세</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{ SpecName('Media Capture', '#dom-mediastreamtrack-id', 'MediaStreamTrack.id') }}</td>
   <td>{{ Spec2('Media Capture') }}</td>
   <td>Initial specification.</td>
  </tr>
 </tbody>
</table>

<h2 id="브라우저_호환성">브라우저 호환성</h2>



<p>{{Compat("api.MediaStreamTrack.id")}}</p>

<h2 id="같이_보기">같이 보기</h2>

<ul>
 <li><a href="/ko/docs/Web/API/WebRTC_API">WebRTC</a></li>
</ul>