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---
title: DOMString
slug: Web/API/DOMString
tags:
- DOMString
translation_of: Web/API/DOMString
---
<p>{{APIRef("DOM")}}</p>
<p><strong><code>DOMString </code></strong>是一个UTF-16字符串。由于JavaScript已经使用了这样的字符串，所以DOMString 直接映射到 一个{{jsxref("String")}}。</p>
<p>将 <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/null">null</a></code>传递给接受DOMString的方法或参数时通常会把其stringifies为“null”。</p>
<h2 id="Specification" name="Specification" style="margin-bottom: 20px; line-height: 30px;">规范</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
<tr>
<td>{{SpecName('WebIDL', '#DOMString', 'DOMString')}}</td>
<td>{{Spec2('WebIDL')}}</td>
<td>Rephrasing of the definition to remove weird edge cases.</td>
</tr>
<tr>
<td>{{SpecName('DOM3 Core', 'core.html#DOMString', 'DOMString')}}</td>
<td>{{Spec2('DOM3 Core')}}</td>
<td>No change from {{SpecName('DOM2 Core')}}</td>
</tr>
<tr>
<td>{{SpecName('DOM2 Core', 'core.html#ID-C74D1578', 'DOMString')}}</td>
<td>{{Spec2('DOM2 Core')}}</td>
<td>No change from {{SpecName('DOM1')}}</td>
</tr>
<tr>
<td>{{SpecName('DOM1', 'level-one-core.html#ID-C74D1578', 'DOMString')}}</td>
<td>{{Spec2('DOM1')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="相关链接" style="margin-bottom: 20px; line-height: 30px;">相关链接</h2>
<ul>
<li><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String" title="/en-US/docs/Web/API/DOMString">String</a></li>
<li><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Typed_arrays/String_view" title="/en-US/docs/Web/JavaScript/Typed_arrays/String_view"><code>StringView</code> – a C-like representation of strings based on typed arrays</a></li>
<li><a href="https://developer.mozilla.org/en-US/docs/Web/API/DOMString/Binary">Binary strings</a></li>
</ul>
|
