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+---
+title: Math.pow()
+slug: Web/JavaScript/Reference/Global_Objects/Math/pow
+translation_of: Web/JavaScript/Reference/Global_Objects/Math/pow
+---
+<div>{{JSRef}}</div>
+
+<p><code><strong>Math.pow()</strong></code> 函数返回基数（<code>base</code>）的指数（<code>exponent</code>）次幂，即<span style="line-height: 1.572;"> </span><code style="font-size: 14px;">base<sup>exponent</sup></code><span style="line-height: 1.572;">。</span></p>
+
+<p>{{EmbedInteractiveExample("pages/js/math-pow.html")}}</p>
+
+<h2 id="Syntax" name="Syntax">语法</h2>
+
+<pre class="syntaxbox"><code>Math.pow(<em>base</em>, <em>exponent</em>) </code></pre>
+
+<h3 id="Parameters" name="Parameters">参数</h3>
+
+<dl>
+ <dt><code>base</code></dt>
+ <dd>基数</dd>
+ <dt><code>exponent</code></dt>
+ <dd>指数</dd>
+</dl>
+
+<h2 id="Description" name="Description">描述</h2>
+
+<p>由于 <code>pow</code> 是 <code>Math</code> 的静态方法，所以应该像这样使用：<code>Math.pow()</code>，而不是作为你创建的 <code>Math</code> 对象的方法。</p>
+
+<h2 id="Examples" name="Examples">示例</h2>
+
+<h3 id="Example_Using_Math.pow" name="Example:_Using_Math.pow">使用 <code>Math.pow</code></h3>
+
+<pre class="brush:js">function raisePower(x,y) {
+   return Math.pow(x,y)
+}</pre>
+
+<p>如果 <code>x</code> 是 2 ，且 <code>y</code> 是 7，则 raisePower 函数返回 128 （2 的 7 次幂）。</p>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">规范版本</th>
+   <th scope="col">规范状态</th>
+   <th scope="col">注解</th>
+  </tr>
+  <tr>
+   <td>ECMAScript 1st Edition. Implemented in JavaScript 1.0</td>
+   <td>Standard</td>
+   <td>Initial definition.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES5.1', '#sec-15.8.2.13', 'Math.pow')}}</td>
+   <td>{{Spec2('ES5.1')}}</td>
+   <td></td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES6', '#sec-math.pow', 'Math.pow')}}</td>
+   <td>{{Spec2('ES6')}}</td>
+   <td></td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>{{Compat("javascript.builtins.Math.pow")}}</p>
+
+<h2 id="See_also" name="See_also">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("Math.cbrt()")}}</li>
+ <li>{{jsxref("Math.exp()")}}</li>
+ <li>{{jsxref("Math.log()")}}</li>
+ <li>{{jsxref("Math.sqrt()")}}</li>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#Exponentiation" title="Arithmetic operators take numerical values (either literals or variables) as their operands and return a single numerical value. The standard arithmetic operators are addition (+), subtraction (-), multiplication (*), and division (/).">Exponentiation operator</a> {{experimental_inline}}</li>
+</ul>