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docs/javascript/Reference/Global_Objects/ReferenceError.html
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@@ -3,7 +3,7 @@
<h2 id="Summary" name="Summary">概述</h2>
<p><code><strong>ReferenceError（引用错误）</strong></code> 对象代表当一个不存在的变量被引用时发生的错误。</p>
<h2 id="Syntax" name="Syntax">语法</h2>
<pre class="syntaxbox"><code>new ReferenceError([<var>message</var>[, <var>fileName</var>[, <var>lineNumber</var>]]])</code></pre>
<pre><code class="language-javascript"><code>new ReferenceError([<var>message</var>[, <var>fileName</var>[, <var>lineNumber</var>]]])</code></code></pre>
<h3 id="Parameters" name="Parameters">参数</h3>
<dl>
<dt><code>message</code></dt>
@@ -44,7 +44,7 @@
<div><p>Although the <a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/ReferenceError" title="The ReferenceError object represents an error when a non-existent variable is referenced."><code>ReferenceError</code></a> prototype object does not contain any methods of its own, <a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/ReferenceError" title="The ReferenceError object represents an error when a non-existent variable is referenced."><code>ReferenceError</code></a> instances do inherit some methods through the prototype chain.</p></div>
<h2 id="Examples" name="Examples">例子</h2>
<h3 id="Example:_Catch_an_ReferenceError" name="Example:_Catch_an_ReferenceError">例: 捕获一个 <code>ReferenceError</code></h3>
<pre class="brush: js">try {
<pre><code class="language-javascript">try {
var a = undefinedVariable;
} catch (e) {
console.log(e instanceof ReferenceError); // true
@@ -55,9 +55,9 @@
console.log(e.columnNumber); // 6
console.log(e.stack); // "@Scratchpad/2:2:7\n"
}
</pre>
</code></pre>
<h3 id="Example:_Create_an_ReferenceError" name="Example:_Create_an_ReferenceError">例: 创建一个 <code>ReferenceError</code></h3>
<pre class="brush: js">try {
<pre><code class="language-javascript">try {
throw new ReferenceError('Hello', 'someFile.js', 10);
} catch (e) {
console.log(e instanceof ReferenceError); // true
@@ -68,7 +68,7 @@
console.log(e.columnNumber); // 0
console.log(e.stack); // "@Scratchpad/2:2:9\n"
}
</pre>
</code></pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>