From 522984283b56b68582d606c76e4ca98c0baf9451 Mon Sep 17 00:00:00 2001
From: MDN <actions@users.noreply.github.com>
Date: Tue, 15 Jun 2021 00:35:40 +0000
Subject: [CRON] sync translated content

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+---
+title: 'TypeError: invalid arguments'
+slug: orphaned/Web/JavaScript/Reference/Errors/Typed_array_invalid_arguments
+tags:
+  - JavaScript
+  - 类型错误
+  - 错误提示
+translation_of: Web/JavaScript/Reference/Errors/Typed_array_invalid_arguments
+original_slug: Web/JavaScript/Reference/Errors/Typed_array_invalid_arguments
+---
+<div>{{jsSidebar("Errors")}}</div>
+
+<h2 id="错误提示">错误提示</h2>
+
+<pre class="syntaxbox">TypeError: invalid arguments (Firefox)</pre>
+
+<h2 id="错误类型">错误类型</h2>
+
+<p>{{jsxref("TypeError")}}</p>
+
+<h2 id="哪里出错了？">哪里出错了？</h2>
+
+<p><a href="/en-US/docs/Web/JavaScript/Typed_arrays">类型化数组（Typed array</a>） 的构造器可以通过接收以下类型的参数中的一种</p>
+
+<ul>
+ <li>表示长度的数字，</li>
+ <li>另外一个类型化数组，</li>
+ <li>类数组对象，</li>
+ <li>可迭代对象，</li>
+ <li>一个 {{jsxref("ArrayBuffer")}} 对象</li>
+</ul>
+
+<p>来创建一个新的类型化数组。其他类型的构造器参数都无法创建合法的类型化数组。</p>
+
+<h2 id="示例">示例</h2>
+
+<p>类型化数组——例如  {{jsxref("Uint8Array")}} ——无法通过字符串创建。实际上，字符串根本不能出现在类型化数组中。</p>
+
+<pre class="brush: js example-bad">var ta = new Uint8Array("nope");
+// TypeError: invalid arguments
+</pre>
+
+<p>创建一个合法的 {{jsxref("Uint8Array")}} 对象的不同方式：</p>
+
+<pre class="brush: js example-good">// From a length
+var uint8 = new Uint8Array(2);
+uint8[0] = 42;
+console.log(uint8[0]); // 42
+console.log(uint8.length); // 2
+console.log(uint8.BYTES_PER_ELEMENT); // 1
+
+// From an array
+var arr = new Uint8Array([21,31]);
+console.log(arr[1]); // 31
+
+// From another TypedArray
+var x = new Uint8Array([21, 31]);
+var y = new Uint8Array(x);
+console.log(y[0]); // 21
+
+// From an ArrayBuffer
+var buffer = new ArrayBuffer(8);
+var z = new Uint8Array(buffer, 1, 4);
+
+// From an iterable
+var iterable = function*(){ yield* [1,2,3]; }();
+var uint8 = new Uint8Array(iterable);
+// Uint8Array[1, 2, 3]
+</pre>
+
+<h2 id="相关内容">相关内容</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/JavaScript/Typed_arrays">Typed arrays</a></li>
+ <li>{{jsxref("ArrayBuffer")}}</li>
+ <li>{{jsxref("Uint8Array")}}</li>
+</ul>
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