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+---
+title: Atomics.store()
+slug: Web/JavaScript/Reference/Global_Objects/Atomics/store
+translation_of: Web/JavaScript/Reference/Global_Objects/Atomics/store
+---
+<div>{{JSRef}}</div>
+
+<p>静态的Atomics.store()方法将给定的值存储在数组中的指定位置,并返回该值。.</p>
+
+<div>{{EmbedInteractiveExample("pages/js/atomics-store.html")}}</div>
+
+
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">Atomics.store(typedArray, index, value)
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code>typedArray</code></dt>
+ <dd>一个指定类型的shared数组. 类型为 {{jsxref("Int8Array")}}, {{jsxref("Uint8Array")}}, {{jsxref("Int16Array")}}, {{jsxref("Uint16Array")}}, {{jsxref("Int32Array")}}, 或者 {{jsxref("Uint32Array")}}其中一个.</dd>
+ <dt><code>index</code></dt>
+ <dd>typedArray中用来存储value的位置.</dd>
+ <dt><code>value</code></dt>
+ <dd>要存储的数字.</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p>被存储的值.</p>
+
+<h3 id="异常">异常</h3>
+
+<ul>
+ <li>抛出一个{{jsxref("TypeError")}}异常, 如果 <code>typedArray</code> 不是上述给定的类型之一.</li>
+ <li>抛出一个{{jsxref("TypeError")}}异常, 如果 <code>typedArray</code> 不是一个指定类型的shared类型数组.</li>
+ <li>抛出一个{{jsxref("RangeError")}}异常, 如果 <code>index</code> 在 <code>typedArray</code>中越界了。</li>
+</ul>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js">var sab = new SharedArrayBuffer(1024);
+var ta = new Uint8Array(sab);
+
+Atomics.store(ta, 0, 12); // 12</pre>
+
+<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('ESDraft', '#sec-atomics.store', 'Atomics.store')}}</td>
+ <td>{{Spec2('ESDraft')}}</td>
+ <td>Initial definition in ES2017.</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div class="hidden">此页面上的兼容性表格由结构化数据生成。 如果您想为数据做出贡献,请查看 <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> 并向我们发送 pr(pull request)请求。</div>
+
+<p>{{Compat("javascript.builtins.Atomics.store")}}</p>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("Atomics")}}</li>
+ <li>{{jsxref("Atomics.load()")}}</li>
+</ul>