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+---
+title: Array.prototype.toString()
+slug: Web/JavaScript/Reference/Global_Objects/Array/toString
+tags:
+  - Array
+  - JavaScript
+  - Method
+translation_of: Web/JavaScript/Reference/Global_Objects/Array/toString
+---
+<div>{{JSRef("Global_Objects", "Array")}}</div>
+
+<p><code><strong>toString()</strong></code> 返回一个字符串，表示指定的数组及其元素。</p>
+
+<div>{{EmbedInteractiveExample("pages/js/array-tostring.html")}}</div>
+
+<h2 id="Syntax" name="Syntax">语法</h2>
+
+<pre class="brush: js">arr.toString()
+</pre>
+
+<h3 id="Parameters" name="Parameters">返回值</h3>
+
+<p>一个表示指定的数组及其元素的字符串。</p>
+
+<h2 id="描述">描述</h2>
+
+<p>{{jsxref("Array")}}对象覆盖了{{jsxref("Object")}}的 <code>toString</code> 方法。对于数组对象，<code>toString</code> 方法连接数组并返回一个字符串，其中包含用逗号分隔的每个数组元素。</p>
+
+<p>当一个数组被作为文本值或者进行字符串连接操作时，将会自动调用其 <code>toString</code> 方法。</p>
+
+<h3 id="ECMAScript_5_semantics">ECMAScript 5 semantics</h3>
+
+<p>从 JavaScript 1.8.5 (<span class="st">Firefox 4</span>) 开始，和 ECMAScript 第5版语义（semantics）一致，<code>toString()</code> 方法是通用的，可被用于任何对象。将调用{{jsxref("Object.prototype.toString()")}}，并返回结果值。</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('ES1')}}</td>
+   <td>{{Spec2('ES1')}}</td>
+   <td>Initial definition. Implemented in JavaScript 1.1.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES5.1', '#sec-15.4.4.2', 'Array.prototype.toString')}}</td>
+   <td>{{Spec2('ES5.1')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES6', '#sec-array.prototype.tostring', 'Array.prototype.toString')}}</td>
+   <td>{{Spec2('ES6')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ESDraft', '#sec-array.prototype.tostring', 'Array.prototype.toString')}}</td>
+   <td>{{Spec2('ESDraft')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div>
+
+
+<p>{{Compat("javascript.builtins.Array.toString")}}</p>
+</div>
+
+<h2 id="See_Also" name="See_Also">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("Array.prototype.join()")}}</li>
+ <li>{{jsxref("Object.prototype.toSource()")}}</li>
+</ul>