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159 lines
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159 lines
11 KiB
HTML
<article id="wikiArticle">
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<div></div>
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<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>
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<h2 id="Description" name="Description">描述</h2>
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<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>
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<h2 id="Syntax" name="Syntax">语法</h2>
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<pre class="syntaxbox"><code>new SyntaxError([<var>message</var>[, <var>fileName</var>[, <var>lineNumber</var>]]])</code></pre>
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<h3 id="Parameters" name="Parameters">参数</h3>
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<dl>
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<dt><code>message</code></dt>
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<dd>可选的. 可阅读的错误描述信息</dd>
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<dt><code>fileName</code> <span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span></dt>
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<dd>可选的. 包含引发异常的代码的文件名</dd>
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<dt><code>lineNumber</code> <span class="icon-only-inline" title="This API has not been standardized."><i class="icon-warning-sign"> </i></span></dt>
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<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>
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</dl>
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<h2 id="Properties" name="Properties">属性</h2>
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<dl>
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<dt><a href="Reference/Global_Objects/SyntaxError/prototype" title="SyntaxError.prototype 属性表示SyntaxError 构造器的原型."><code>SyntaxError.prototype</code></a></dt>
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<dd><code><font face="Open Sans, sans-serif">允许</font>SyntaxError</code>对象添加属性.</dd>
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</dl>
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<h2 id="Methods" name="Methods">方法</h2>
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<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>
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<h2 id="SyntaxError_instances" name="SyntaxError_instances"><code>SyntaxError</code> 实例</h2>
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<h3 id="Properties_of_SyntaxError_instances" name="Properties_of_SyntaxError_instances">属性</h3>
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<div><dl>
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<dt><code>SyntaxError.prototype.constructor</code></dt>
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<dd>创建实例的构造函数.</dd>
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<dt><a href="Reference/Global_Objects/Error/message" title="message 属性是有关错误信息，人类易读的（human-readable）描述。"><code>SyntaxError.prototype.message</code></a></dt>
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<dd>错误信息. 尽管 ECMA-262 指出, <a href="Reference/Global_Objects/SyntaxError" title="SyntaxError 对象代表尝试解析语法上不合法的代码的错误。"><code>SyntaxError</code></a> 应该提供其子什么的信息属性,但在 <a href="/en-US/docs/Mozilla/Projects/SpiderMonkey">SpiderMonkey</a> 中, 仍是继承自<a href="Reference/Global_Objects/Error/message" title="message 属性是有关错误信息，人类易读的（human-readable）描述。"><code>Error.prototype.message</code></a>.</dd>
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<dt><a href="Reference/Global_Objects/Error/name" title='name 属性表示error类型的名称.初始值为"Error".'><code>SyntaxError.prototype.name</code></a></dt>
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<dd><span style="line-height: 19.0909080505371px;">错误的名称.继承自</span> <a href="Reference/Global_Objects/Error" title="通过Error的构造器可以创建一个错误对象。当运行时错误产生时，Error的实例对象会被抛出。Error对象也可用于用户自定义的异常的基础对象。下面列出了各种内建的标准错误类型。"><code>Error</code></a>.</dd>
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<dt><a href="Reference/Global_Objects/Error/fileName" title="fileName 属性包含引发此错误的文件的路径."><code>SyntaxError.prototype.fileName</code></a></dt>
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<dd>抛出该异常的文件路径.继承自 <a href="Reference/Global_Objects/Error" title="通过Error的构造器可以创建一个错误对象。当运行时错误产生时，Error的实例对象会被抛出。Error对象也可用于用户自定义的异常的基础对象。下面列出了各种内建的标准错误类型。"><code>Error</code></a>.</dd>
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<dt><a href="Reference/Global_Objects/Error/lineNumber" title="lineNumber 属性的值为抛出错误的代码在其源文件中所在的行号。"><code>SyntaxError.prototype.lineNumber</code></a></dt>
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<dd><span style="line-height: 19.0909080505371px;">抛出该异常的文件的行号</span>. 继承自 <a href="Reference/Global_Objects/Error" title="通过Error的构造器可以创建一个错误对象。当运行时错误产生时，Error的实例对象会被抛出。Error对象也可用于用户自定义的异常的基础对象。下面列出了各种内建的标准错误类型。"><code>Error</code></a>.</dd>
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<dt><a href="Reference/Global_Objects/Error/columnNumber" title="columnNumber属性包含引发此错误的文件行中的列号。"><code>SyntaxError.prototype.columnNumber</code></a></dt>
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<dd><span style="line-height: 19.0909080505371px;">抛出该异常的文件的列数</span>. <span style="line-height: 19.0909080505371px;">继承自</span> <a href="Reference/Global_Objects/Error" title="通过Error的构造器可以创建一个错误对象。当运行时错误产生时，Error的实例对象会被抛出。Error对象也可用于用户自定义的异常的基础对象。下面列出了各种内建的标准错误类型。"><code>Error</code></a>.</dd>
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<dt><a href="Reference/Global_Objects/Error/stack" title="此页面仍未被本地化, 期待您的翻译!"><code>SyntaxError.prototype.stack</code></a></dt>
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<dd>栈追踪信息. <span style="line-height: 19.0909080505371px;">继承自</span> <a href="Reference/Global_Objects/Error" title="通过Error的构造器可以创建一个错误对象。当运行时错误产生时，Error的实例对象会被抛出。Error对象也可用于用户自定义的异常的基础对象。下面列出了各种内建的标准错误类型。"><code>Error</code></a>.</dd>
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</dl></div>
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<h3 id="Methods_of_SyntaxError_instances" name="Methods_of_SyntaxError_instances">方法</h3>
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<div></div>
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<h2 id="Examples" name="Examples">示例</h2>
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<h3 id="Example:_Catch_an_SyntaxError" name="Example:_Catch_an_SyntaxError">捕获 <code>SyntaxError</code></h3>
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<pre class="brush: js">try {
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eval('hoo bar');
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} catch (e) {
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console.log(e instanceof SyntaxError); // true
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console.log(e.message); // "missing ; before statement"
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console.log(e.name); // "SyntaxError"
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console.log(e.fileName); // "Scratchpad/1"
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console.log(e.lineNumber); // 1
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console.log(e.columnNumber); // 4
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console.log(e.stack); // "@Scratchpad/1:2:3\n"
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}
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</pre>
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<h3 id="Example:_Create_an_SyntaxError" name="Example:_Create_an_SyntaxError">创建 <code>SyntaxError</code></h3>
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<pre class="brush: js">try {
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throw new SyntaxError('Hello', 'someFile.js', 10);
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} catch (e) {
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console.log(e instanceof SyntaxError); // true
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console.log(e.message); // "Hello"
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console.log(e.name); // "SyntaxError"
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console.log(e.fileName); // "someFile.js"
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console.log(e.lineNumber); // 10
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console.log(e.columnNumber); // 0
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console.log(e.stack); // "@Scratchpad/2:11:9\n"
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}
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</pre>
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<h2 id="规范">规范</h2>
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<table class="standard-table">
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<tbody>
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<tr>
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<th scope="col">Specification</th>
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<th scope="col">Status</th>
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<th scope="col">Comment</th>
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</tr>
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<tr>
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<td><a class="external" href="https://www.ecma-international.org/publications/files/ECMA-ST-ARCH/ECMA-262,%203rd%20edition,%20December%201999.pdf" hreflang="en" lang="en" rel="noopener" title="ECMAScript 3rd Edition (ECMA-262)">ECMAScript 3rd Edition (ECMA-262)</a></td>
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<td><span class="spec-Standard">Standard</span></td>
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<td>Initial definition.</td>
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</tr>
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<tr>
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<td><a class="external" href="https://www.ecma-international.org/ecma-262/5.1/#sec-15.11.6.4" hreflang="en" lang="en" rel="noopener">ECMAScript 5.1 (ECMA-262)<br/><small lang="zh-CN">SyntaxError</small></a></td>
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<td><span class="spec-Standard">Standard</span></td>
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<td> </td>
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</tr>
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<tr>
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<td><a class="external" href="https://www.ecma-international.org/ecma-262/6.0/#sec-native-error-types-used-in-this-standard-syntaxerror" hreflang="en" lang="en" rel="noopener">ECMAScript 2015 (6th Edition, ECMA-262)<br/><small lang="zh-CN">SyntaxError</small></a></td>
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<td><span class="spec-Standard">Standard</span></td>
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<td> </td>
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</tr>
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</tbody>
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</table>
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<h2 id="浏览器兼容性">浏览器兼容性</h2>
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<div><div class="blockIndicator warning"><strong><a class="external" href="https://github.com/mdn/browser-compat-data" rel="noopener">We're converting our compatibility data into a machine-readable JSON format</a></strong>.
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This compatibility table still uses the old format,
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because we haven't yet converted the data it contains.
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<strong><a class="new" href="/zh-CN/docs/MDN/Contribute/Structures/Compatibility_tables" rel="nofollow">Find out how you can help!</a></strong></div>
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<div class="htab">
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<a id="AutoCompatibilityTable" name="AutoCompatibilityTable"></a>
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<ul>
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<li class="selected"><a>Desktop</a></li>
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<li><a>Mobile</a></li>
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</ul>
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</div></div>
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<div id="compat-desktop">
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<table class="compat-table">
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<tbody>
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<tr>
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<th>Feature</th>
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<th>Chrome</th>
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<th>Firefox (Gecko)</th>
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<th>Internet Explorer</th>
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<th>Opera</th>
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<th>Safari</th>
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</tr>
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<tr>
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<td>Basic support</td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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</tr>
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</tbody>
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</table>
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</div>
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<div id="compat-mobile">
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<table class="compat-table">
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<tbody>
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<tr>
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<th>Feature</th>
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<th>Android</th>
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<th>Chrome for Android</th>
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<th>Firefox Mobile (Gecko)</th>
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<th>IE Mobile</th>
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<th>Opera Mobile</th>
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<th>Safari Mobile</th>
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</tr>
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<tr>
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<td>Basic support</td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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<td><span style="color: #888;" title="Please update this with the earliest version of support.">(Yes)</span></td>
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</tr>
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</tbody>
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</table>
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</div>
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<h2 id="相关链接">相关链接</h2>
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<ul>
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<li><a href="Reference/Global_Objects/Error" title="通过Error的构造器可以创建一个错误对象。当运行时错误产生时，Error的实例对象会被抛出。Error对象也可用于用户自定义的异常的基础对象。下面列出了各种内建的标准错误类型。"><code>Error</code></a></li>
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<li><a href="Reference/Global_Objects/SyntaxError/prototype" title="SyntaxError.prototype 属性表示SyntaxError 构造器的原型."><code>SyntaxError.prototype</code></a></li>
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</ul>
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</article> |