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+---
+title: Bitwise XOR (^)
+slug: Web/JavaScript/Reference/Operators/Bitwise_XOR
+translation_of: Web/JavaScript/Reference/Operators/Bitwise_XOR
+---
+<div>{{jsSidebar("Operators")}}</div>
+
+<p>The bitwise XOR operator (<code>^</code>) returns a <code>1</code> in each bit position for which the corresponding bits of either but not both operands are <code>1</code>s.</p>
+
+<div>{{EmbedInteractiveExample("pages/js/expressions-bitwise-xor.html")}}</div>
+
+<div class="hidden">The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone <a href="https://github.com/mdn/interactive-examples">https://github.com/mdn/interactive-examples</a> and send us a pull request.</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox notranslate"><code><var>a</var> ^ <var>b</var></code>
+</pre>
+
+<h2 id="描述">描述</h2>
+
+<p>The operands are converted to 32-bit integers and expressed by a series of bits (zeroes and ones). Numbers with more than 32 bits get their most significant bits discarded. For example, the following integer with more than 32 bits will be converted to a 32 bit integer:</p>
+
+<pre class="brush: js notranslate">Before: 11100110111110100000000000000110000000000001
+After:              10100000000000000110000000000001</pre>
+
+<p>Each bit in the first operand is paired with the corresponding bit in the second operand: <em>first bit</em> to <em>first bit</em>, <em>second bit</em> to <em>second bit</em>, and so on.</p>
+
+<p>The operator is applied to each pair of bits, and the result is constructed bitwise.</p>
+
+<p>The truth table for the XOR operation is:</p>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th class="header" scope="col">a</th>
+   <th class="header" scope="col">b</th>
+   <th class="header" scope="col">a XOR b</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>0</td>
+   <td>0</td>
+   <td>0</td>
+  </tr>
+  <tr>
+   <td>0</td>
+   <td>1</td>
+   <td>1</td>
+  </tr>
+  <tr>
+   <td>1</td>
+   <td>0</td>
+   <td>1</td>
+  </tr>
+  <tr>
+   <td>1</td>
+   <td>1</td>
+   <td>0</td>
+  </tr>
+ </tbody>
+</table>
+
+<pre class="brush: js notranslate">.    9 (base 10) = 00000000000000000000000000001001 (base 2)
+    14 (base 10) = 00000000000000000000000000001110 (base 2)
+                   --------------------------------
+14 ^ 9 (base 10) = 00000000000000000000000000000111 (base 2) = 7 (base 10)
+</pre>
+
+<p>Bitwise XORing any number <code><var>x</var></code> with <code>0</code> yields <code><var>x</var></code>.</p>
+
+<h2 id="Examples">Examples</h2>
+
+<h3 id="Using_bitwise_XOR">Using bitwise XOR</h3>
+
+<pre class="brush: js notranslate">// 9  (00000000000000000000000000001001)
+// 14 (00000000000000000000000000001110)
+
+14 ^ 9;
+// 7  (00000000000000000000000000000111)</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Specification</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('ESDraft', '#prod-BitwiseXORExpression', 'Bitwise XOR expression')}}</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<div class="hidden">The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out <a class="external" href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</div>
+
+<p>{{Compat("javascript.operators.bitwise_xor")}}</p>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Bitwise">Bitwise operators in the JS guide</a></li>
+ <li><a href="/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_XOR_assignment">Bitwise XOR assignment operator</a></li>
+</ul>