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---
title: Новое в JavaScript 1.6
slug: Web/JavaScript/New_in_JavaScript/1.6
tags:
- JavaScript
translation_of: Archive/Web/JavaScript/New_in_JavaScript/1.6
---
<div>{{jsSidebar("New_in_JS")}}</div>
<p>The following is a changelog for JavaScript 1.6. This version was included in Firefox 1.5 (Gecko 1.8), which was released in November 2005. The corresponding ECMA standard is ECMA-262 Edition 3 and ECMAScript for XML (E4X) with some additional features. Several new features were introduced: E4X, several new <code>Array</code> methods, and Array and String generics.</p>
<h2 id="New_features_in_JavaScript_1.6">New features in JavaScript 1.6</h2>
<ul>
<li>Support for ECMAScript for XML (<a href="/en-US/docs/Archive/Web/E4X" title="E4X">E4X</a>) for creating and processing <a href="/en-US/docs/Glossary/XML" title="XML">XML</a> content within <a href="/en-US/docs/Web/JavaScript" title="JavaScript">JavaScript</a> has been added. See <a href="/en-US/docs/Archive/Web/E4X/Processing_XML_with_E4X" title="E4X/Processing_XML_with_E4X">Processing XML with E4X</a> for details.</li>
<li><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf"><code>Array.prototype.indexOf()</code></a></li>
<li><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf"><code>Array.prototype.lastIndexof()</code></a></li>
<li><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/every"><code>Array.prototype.every()</code></a></li>
<li><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter"><code>Array.prototype.filter()</code></a></li>
<li><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach"><code>Array.prototype.forEach()</code></a></li>
<li><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map"><code>Array.prototype.map()</code></a></li>
<li><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/some"><code>Array.prototype.some()</code></a></li>
<li><a href="https://developer.mozilla.org/en-US/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/en-US/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="/en-US/docs/Web/JavaScript/Reference/Statements/for_each...in"><code>for each...in</code></a></li>
</ul>
<h2 id="Changed_functionality_in_JavaScript_1.6">Changed functionality in JavaScript 1.6</h2>
<ul>
<li>A <a class="link-https" href="https://bugzilla.mozilla.org/show_bug.cgi?id=292215">bug</a> in which <a href="/en-US/docs/Web/JavaScript/Reference/Functions/arguments"><code>arguments[n]</code></a> cannot be set if <code>n</code> is greater than the number of formal or actual parameters has been fixed.</li>
</ul>
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