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+---
+title: SpeechRecognitionResult
+slug: Web/API/SpeechRecognitionResult
+tags:
+  - API
+  - Experimental
+  - Interface
+  - NeedsTranslation
+  - Reference
+  - SpeechRecognitionResult
+  - TopicStub
+  - Web Speech API
+  - recognition
+  - speech
+translation_of: Web/API/SpeechRecognitionResult
+---
+<p>{{APIRef("Web Speech API")}}{{SeeCompatTable}}</p>
+
+<p>The <strong><code>SpeechRecognitionResult</code></strong> interface of the <a href="/en-US/docs/Web/API/Web_Speech_API">Web Speech API</a> represents a single recognition match, which may contain multiple {{domxref("SpeechRecognitionAlternative")}} objects.</p>
+
+<h2 id="Properties">Properties</h2>
+
+<dl>
+ <dt>{{domxref("SpeechRecognitionResult.isFinal")}} {{readonlyinline}}</dt>
+ <dd>A {{domxref("Boolean")}} that states whether this result is final (true) or not (false) — if so, then this is the final time this result will be returned; if not, then this result is an interim result, and may be updated later on.</dd>
+ <dt>{{domxref("SpeechRecognitionResult.length")}} {{readonlyinline}}</dt>
+ <dd>Returns <cite>the length of the "array" — the </cite>number of {{domxref("SpeechRecognitionAlternative")}} objects contained in the result (also referred to as "n-best alternatives".)</dd>
+</dl>
+
+<h2 id="Methods">Methods</h2>
+
+<dl>
+ <dt>{{domxref("SpeechRecognitionResult.item")}}</dt>
+ <dd>A standard getter that allows {{domxref("SpeechRecognitionAlternative")}} objects within the result to be accessed via array syntax.</dd>
+</dl>
+
+<h2 id="Examples">Examples</h2>
+
+<p>This code is excerpted from our <a href="https://github.com/mdn/web-speech-api/blob/master/speech-color-changer/script.js">Speech color changer</a> example.</p>
+
+<pre class="brush: js">recognition.onresult = function(event) {
+  // The SpeechRecognitionEvent results property returns a SpeechRecognitionResultList object
+  // The SpeechRecognitionResultList object contains SpeechRecognitionResult objects.
+  // It has a getter so it can be accessed like an array
+  // The first [0] returns the SpeechRecognitionResult at position 0.
+  // Each SpeechRecognitionResult object contains SpeechRecognitionAlternative objects that contain individual results.
+  // These also have getters so they can be accessed like arrays.
+  // The second [0] returns the SpeechRecognitionAlternative at position 0.
+  // We then return the transcript property of the SpeechRecognitionAlternative object
+  var color = event.results[0][0].transcript;
+  diagnostic.textContent = 'Result received: ' + color + '.';
+  bg.style.backgroundColor = color;
+}</pre>
+
+<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('Web Speech API', '#speechreco-result', 'SpeechRecognitionResult')}}</td>
+   <td>{{Spec2('Web Speech API')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari (WebKit)</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatChrome(33)}} <sup>[1]</sup></td>
+   <td>{{CompatGeckoDesktop(44)}} <sup>[2]</sup></td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android</th>
+   <th>Chrome</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>Firefox OS</th>
+   <th>IE Phone</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatVersionUnknown}}<sup>[1]</sup></td>
+   <td>{{CompatUnknown}}</td>
+   <td>2.5</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<ul>
+ <li>[1] Speech recognition interfaces are currently prefixed on Chrome, so you'll need to prefix interface names appropriately, e.g. <code>webkitSpeechRecognition</code>; You'll also need to serve your code through a web server for recognition to work.</li>
+ <li>[2] Can be enabled via the <code>media.webspeech.recognition.enable</code> flag in <a>about:config</a>, although note that currently speech recognition won't work on Desktop Firefox — it will be properly exposed soon, once the required internal permissions are sorted out.</li>
+</ul>
+
+<h3 id="Firefox_OS_permissions">Firefox OS permissions</h3>
+
+<p>To use speech recognition in an app, you need to specify the following permissions in your <a href="/en-US/docs/Web/Apps/Build/Manifest">manifest</a>:</p>
+
+<pre class="brush: json">"permissions": {
+  "audio-capture" : {
+    "description" : "Audio capture"
+  },
+  "speech-recognition" : {
+    "description" : "Speech recognition"
+  }
+}</pre>
+
+<p>You also need a privileged app, so you need to include this as well:</p>
+
+<pre class="brush: json">  "type": "privileged"</pre>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Web_Speech_API">Web Speech API</a></li>
+</ul>
diff --git a/files/zh-cn/web/api/speechrecognitionresult/isfinal/index.html b/files/zh-cn/web/api/speechrecognitionresult/isfinal/index.html
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+---
+title: SpeechRecognitionResult.isFinal
+slug: Web/API/SpeechRecognitionResult/isFinal
+tags:
+  - API
+  - Web Speech API
+  - isFinal
+  - 语音
+  - 语音识别
+translation_of: Web/API/SpeechRecognitionResult/isFinal
+---
+<p>{{APIRef("Web Speech API")}}{{ SeeCompatTable() }}</p>
+
+<p>{{domxref("SpeechRecognitionResult")}} 接口的<code><strong>isFinal</strong></code>只读属性是一个布尔值, 如果值是<code>true</code>, 则表示这是最后一次返回的结果 (语音识别结束)。如果为<code>false</code>, 表示识别尚未结束, 这只是一个临时的数据, 有可能会在稍后更新。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">var myIsFinal = speechRecognitionResultInstance.isFinal;</pre>
+
+<h3 id="返回值">返回值</h3>
+
+<p>{{domxref("Boolean")}} </p>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js">recognition.onresult = function(event) {
+  // The SpeechRecognitionEvent results property returns a SpeechRecognitionResultList object
+  // SpeechRecognitionResultList 对象包含 SpeechRecognitionResult 对象.
+  // 它有一个getter，所以它可以像数组一样被访问
+  // 第一个[0]返回 SpeechRecognitionResult 的第0个下标.
+  // Each SpeechRecognitionResult object contains SpeechRecognitionAlternative objects that contain individual results.
+  // 这些也有getter，因此可以像数组一样访问它们。
+  // 第二个[0]返回 SpeechRecognitionAlternative 所在的第0个下标。
+  // 然后我们返回的记录属性 SpeechRecognitionAlternative 对象
+  var color = event.results[0][0].transcript;
+  diagnostic.textContent = 'Result received: ' + color + '.';
+  bg.style.backgroundColor = color;
+
+  console.log(event.results[0].isFinal);
+}</pre>
+
+<h2 id="规格">规格</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">规格</th>
+   <th scope="col">状态</th>
+   <th scope="col">说明</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('Web Speech API', '#dfn-isFinal', 'isFinal')}}</td>
+   <td>{{Spec2('Web Speech API')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari (WebKit)</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatChrome(33)}} <sup>[1]</sup></td>
+   <td>{{CompatGeckoDesktop(44)}} <sup>[2]</sup></td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android</th>
+   <th>Chrome</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>Firefox OS</th>
+   <th>IE Phone</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatVersionUnknown}}<sup>[1]</sup></td>
+   <td>{{CompatUnknown}}</td>
+   <td>2.5</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<ul>
+ <li>[1] 语音识别接口目前是Chrome的前缀, 所以你需要对接口进行添加适当的前缀, 比如, <code>webkitSpeechRecognition</code>; 同时, 你还需要一个来Web服务器来为代码 (API) 服务, 以便识别工作.</li>
+ <li>[2] 可以通过 <a>about:config</a>(注意, 不同的浏览器会有不同的配置, 比如 chrome 中是 about:flag ) 中 <code>media.webspeech.recognition.enable</code> 标记来启动, 尽管目前的语音识别功能在桌面版 Firefox 浏览器中无法使用 — 一旦解决了所需的内部权限, 它将很快被正确地暴露出来。</li>
+</ul>
+
+<h3 id="Firefox_OS_权限">Firefox OS 权限</h3>
+
+<p>要在应用程序中使用语音识别，您需要在您的清单中指定以下<a href="/zh-CN/Apps/Build/Manifest">权限</a>:</p>
+
+<pre class="brush: json">"permissions": {
+  "audio-capture" : {
+    "description" : "Audio capture"
+  },
+  "speech-recognition" : {
+    "description" : "Speech recognition"
+  }
+}</pre>
+
+<p>你还需要一个有特权的应用程序，所以你也需要把它包含在内:</p>
+
+<pre class="brush: json">  "type": "privileged"</pre>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Web_Speech_API">Web Speech API</a></li>
+</ul>