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---
title: WebSocket.readyState
slug: Web/API/WebSocket/readyState
translation_of: Web/API/WebSocket/readyState
---
<p>{{APIRef("Web Sockets API")}}</p>

<p><strong><code>WebSocket.readyState</code></strong> 읽기 전용 속성은 {{domxref("WebSocket")}} 연결의 현재 상태를 반환한다.</p>

<h2 id="Syntax">Syntax</h2>

<pre class="syntaxbox">var readyState = <em>aWebSocket</em>.readyState;</pre>

<h2 id="Value">Value</h2>

<p>아래의 <code>unsigned short</code> 값들 중 하나 :</p>

<table class="standard-table">
 <tbody>
  <tr>
   <td class="header">Value</td>
   <td class="header">State</td>
   <td class="header">Description</td>
  </tr>
  <tr>
   <td><code>0</code></td>
   <td><code>CONNECTING</code></td>
   <td>소켓이 생성되었다. 연결이 아직 열려 있지 않다.</td>
  </tr>
  <tr>
   <td><code>1</code></td>
   <td><code>OPEN</code></td>
   <td>연결이 열려 있고, 통신할 준비가 되었다.</td>
  </tr>
  <tr>
   <td><code>2</code></td>
   <td><code>CLOSING</code></td>
   <td>연결이 닫히는 중이다.</td>
  </tr>
  <tr>
   <td><code>3</code></td>
   <td><code>CLOSED</code></td>
   <td>연결이 닫혔거나 열 수 없었다.</td>
  </tr>
 </tbody>
</table>

<h2 id="Specifications">Specifications</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('HTML WHATWG', '#dom-websocket-readystate', 'WebSocket: readyState')}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td>Initial definition</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Browser compatibility</h2>



<p>{{Compat("api.WebSocket.readyState")}}</p>