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+---
+title: TextEncoder.prototype.encode()
+slug: Web/API/TextEncoder/encode
+tags:
+  - 文本编码
+  - 编码
+translation_of: Web/API/TextEncoder/encode
+---
+<div>{{APIRef("Encoding API")}}</div>
+
+<p><strong><code>TextEncoder.prototype.encode()</code></strong> 方法接受一个 {{domxref("USVString")}} 作为参数，返回一个以给定的文本（字符串）参数，通过 <code>TextEncoder</code> 中指定的方法（默认 UTF-8）编码后的 {{jsxref("Global_Objects/Uint8Array", "Uint8Array")}} 类型的值。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><var>b1</var> = <var>encoder</var>.encode(<var>string</var>);
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code><var>string</var></code></dt>
+ <dd>一个包含了将要编码的文本的 {{DOMxRef("USVString")}}。</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p>一个 {{domxref("Uint8Array")}} 对象。</p>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: html">&lt;p class="source"&gt;This is a sample paragraph.&lt;/p&gt;
+&lt;p class="result"&gt;Encoded result: &lt;/p&gt;</pre>
+
+<pre class="brush: js">const sourcePara = document.querySelector('.source');
+const resultPara = document.querySelector('.result');
+const string = sourcePara.textContent;
+
+const textEncoder = new TextEncoder();
+
+let encoded = textEncoder.encode(string);
+resultPara.textContent += encoded;</pre>
+
+<p>{{EmbedLiveSample('Examples')}}</p>
+
+<h2 id="规范">规范</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("Encoding", "#dom-textencoder-encode", "TextEncoder.prototype.encode()")}}</td>
+   <td>{{Spec2("Encoding")}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>
+
+
+<p>{{Compat("api.TextEncoder.encode")}}</p>
+</div>
+
+<h2 id="另见">另见</h2>
+
+<ul>
+ <li>The {{DOMxRef("TextEncoder")}} interface it belongs to.</li>
+</ul>