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---
title: JavaScript 1.6 的新特性
slug: Web/JavaScript/New_in_JavaScript/1.6
tags:
- JavaScript
- 版本
translation_of: Archive/Web/JavaScript/New_in_JavaScript/1.6
---
<div class="boxed translate-rendered">
<div>{{jsSidebar("New_in_JS")}}</div>
<p class="ordinary-output target-output"><span>以下是JavaScript 1.6的更新日志。JavaScript 1.6已经被包含在2005年11月发布的</span>Firefox 1.5 (Gecko 1.8)中。<span>JavaScript 1.6相对应的</span>ECMA标准是ECMA-262第3版和ECMAScript for XML (E4X)，这让它拥有了一些额外的特性 。引入了一些新特性：E4X，<span style="line-height: inherit;">几个新的数组方法，还</span><span style="line-height: inherit;">有</span><span style="line-height: inherit;">数组</span>和<span style="line-height: inherit;">字符串</span><span style="line-height: inherit;">的通用接口(generics)</span>。</p>
<h2 id="JavaScript_1.6新特性">JavaScript 1.6新特性</h2>
<ul>
<li>使用<a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript" title="JavaScript">JavaScript</a>创建和处理<a href="https://developer.mozilla.org/zh-CN/docs/Glossary/XML" title="XML">XML</a>内容的ECMAScript for XML (<a href="https://developer.mozilla.org/zh-CN/docs/Archive/Web/E4X" title="E4X">E4X</a>) 的支持文档已经添加。 更多详情：<a href="https://developer.mozilla.org/zh-CN/docs/Archive/Web/E4X/Processing_XML_with_E4X" title="E4X/Processing_XML_with_E4X">使用E4X处理XML</a>。</li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf"><code>Array.prototype.indexOf()</code></a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf"><code>Array.prototype.lastIndexOf()</code></a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/every"><code>Array.prototype.every()</code></a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/filter"><code>Array.prototype.filter()</code></a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach"><code>Array.prototype.forEach()</code></a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/map"><code>Array.prototype.map()</code></a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/some"><code>Array.prototype.some()</code></a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array#Array_generic_methods" title="https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array#Array_generics">Array generics</a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/String#String_generic_methods" title="https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String#String_generics">String generics</a></li>
<li><a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Statements/for_each...in"><code>for each...in</code></a></li>
</ul>
<h2 id="JavaScript_1.6功能变化">JavaScript 1.6功能变化</h2>
<ul>
<li>产生了一个<a class="link-https" href="https://bugzilla.mozilla.org/show_bug.cgi?id=292215">bug</a>，当形参或实参的数量已经固定了，若 <a href="https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Functions/arguments"><code>arguments[n]</code></a> 中的n大于这个数量，就不能被设置。</li>
</ul>
</div>
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