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+---
+title: 'InternalError: too much recursion'
+slug: Web/JavaScript/Reference/Errors/Too_much_recursion
+tags:
+ - InternalError
+ - recursion
+ - 内部错误
+translation_of: Web/JavaScript/Reference/Errors/Too_much_recursion
+---
+<div>{{jsSidebar("Errors")}}</div>
+
+<h2 id="信息">信息</h2>
+
+<pre class="syntaxbox">InternalError: too much recursion
+</pre>
+
+<h2 id="错误类型">错误类型</h2>
+
+<p>{{jsxref("InternalError","内部错误")}}.</p>
+
+<h2 id="什么地方出错了">什么地方出错了?</h2>
+
+<p>一个调用自身的函数被称作<em>递归函数</em>。一些情况下,递归函数类似于一个循环,都重复地执行一个代码段许多次,都需要一个条件(用于避免无尽循环或此处的无尽递归)。当出现过于深层的递归或无尽递归时,JavaScript将会抛出此错误。</p>
+
+<h2 id="示例">示例</h2>
+
+<p>根据递归终止的条件,该函数将递归地执行 10 次。</p>
+
+<pre class="brush: js">function loop(x) {
+ if (x &gt;= 10) // "x &gt;= 10" 是递归终止条件
+ return;
+ // 进行一些操作...
+ loop(x + 1); // 递归调用
+}
+loop(0);</pre>
+
+<p>将递归条件设置为一个极大的数值,将不能运行:</p>
+
+<pre class="brush: js example-bad">function loop(x) {
+ if (x &gt;= 1000000000000)
+ return;
+ // 进行一些操作...
+ loop(x + 1);
+}
+loop(0);
+
+// InternalError: too much recursion</pre>
+
+<h2 id="相关页面">相关页面</h2>
+
+<ul>
+ <li>{{Glossary("Recursion","递归")}}</li>
+ <li><a href="/en-US/docs/Web/JavaScript/Guide/Functions#Recursion">Recursive functions</a></li>
+</ul>