---
title: SyntaxError
slug: Web/JavaScript/Reference/Global_Objects/SyntaxError
tags:
  - Error
  - JavaScript
  - Object
  - SyntaxError
translation_of: Web/JavaScript/Reference/Global_Objects/SyntaxError
---
<div>{{JSRef}}</div>

<p><code><strong>SyntaxError</strong></code> 对象代表尝试解析语法上不合法的代码的错误。</p>

<h2 id="Description" name="Description">描述</h2>

<p>当Javascript语言解析代码时,Javascript引擎发现了不符合语法规范的tokens或token顺序时抛出<code>SyntaxError</code>.</p>

<h2 id="Syntax" name="Syntax">语法</h2>

<pre class="syntaxbox"><code>new SyntaxError([<var>message</var>[, <var>fileName</var>[, <var>lineNumber</var>]]])</code></pre>

<h3 id="Parameters" name="Parameters">参数</h3>

<dl>
 <dt><code>message</code></dt>
 <dd>可选的. 可阅读的错误描述信息</dd>
 <dt><code>fileName</code> {{non-standard_inline}}</dt>
 <dd>可选的. 包含引发异常的代码的文件名</dd>
 <dt><code>lineNumber</code> {{non-standard_inline}}</dt>
 <dd><span style="line-height: 19.0909080505371px;">可选的</span>. <span style="line-height: 19.0909080505371px;">包含引发异常的代码</span><span style="line-height: 19.0909080505371px;">的行号</span></dd>
</dl>

<h2 id="Properties" name="Properties">属性</h2>

<dl>
 <dt>{{jsxref("SyntaxError.prototype")}}</dt>
 <dd><code><font face="Open Sans, sans-serif">允许</font>SyntaxError</code>对象添加属性.</dd>
</dl>

<h2 id="Methods" name="Methods">方法</h2>

<p>全局 <code>SyntaxError</code> 自身不包含任何方法, 但从原型链中继承了一些方法.</p>

<h2 id="SyntaxError_instances" name="SyntaxError_instances"><code>SyntaxError</code> 实例</h2>

<h3 id="Properties_of_SyntaxError_instances" name="Properties_of_SyntaxError_instances">属性</h3>

<div>{{page('/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/SyntaxError/prototype', '属性')}}</div>

<h3 id="Methods_of_SyntaxError_instances" name="Methods_of_SyntaxError_instances">方法</h3>

<div>{{page('/<span style="line-height: 19.0909080505371px;">zh-CN</span>/docs/Web/JavaScript/Reference/Global_Objects/SyntaxError/prototype', '方法')}}</div>

<h2 id="Examples" name="Examples">示例</h2>

<h3 id="Example:_Catch_an_SyntaxError" name="Example:_Catch_an_SyntaxError">捕获 <code>SyntaxError</code></h3>

<pre class="brush: js">try {
  eval('hoo bar');
} catch (e) {
  console.log(e instanceof SyntaxError); // true
  console.log(e.message);                // "missing ; before statement"
  console.log(e.name);                   // "SyntaxError"
  console.log(e.fileName);               // "Scratchpad/1"
  console.log(e.lineNumber);             // 1
  console.log(e.columnNumber);           // 4
  console.log(e.stack);                  // "@Scratchpad/1:2:3\n"
}
</pre>

<h3 id="Example:_Create_an_SyntaxError" name="Example:_Create_an_SyntaxError">创建 <code>SyntaxError</code></h3>

<pre class="brush: js">try {
  throw new SyntaxError('Hello', 'someFile.js', 10);
} catch (e) {
  console.log(e instanceof SyntaxError); // true
  console.log(e.message);                // "Hello"
  console.log(e.name);                   // "SyntaxError"
  console.log(e.fileName);               // "someFile.js"
  console.log(e.lineNumber);             // 10
  console.log(e.columnNumber);           // 0
  console.log(e.stack);                  // "@Scratchpad/2:11:9\n"
}
</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('ES3')}}</td>
   <td>{{Spec2('ES3')}}</td>
   <td>Initial definition.</td>
  </tr>
  <tr>
   <td>{{SpecName('ES5.1', '#sec-15.11.6.4', 'SyntaxError')}}</td>
   <td>{{Spec2('ES5.1')}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{SpecName('ES6', '#sec-native-error-types-used-in-this-standard-syntaxerror', 'SyntaxError')}}</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>

<div>{{CompatibilityTable}}</div>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Chrome</th>
   <th>Firefox (Gecko)</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</th>
   <th>Chrome for Android</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>IE Mobile</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="相关链接">相关链接</h2>

<ul>
 <li>{{jsxref("Error")}}</li>
 <li>{{jsxref("SyntaxError.prototype")}}</li>
</ul>