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---
title: URL.toString()
slug: Web/API/URL/toString
tags:
- API
- URL
- 参考
- 字符串
- 方法
translation_of: Web/API/URL/toString
---
<div>{{ApiRef("URL API")}}</div>
<p><strong><code>URL.toString()</code></strong> 字符串化方法返回一个包含完整 URL 的 {{domxref("USVString")}}。它的作用等同于只读的 {{domxref("URL.href")}}。</p>
<p>{{AvailableInWorkers}}</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"><em>string</em> = <em>url</em>.toString();</pre>
<h3 id="参数">参数</h3>
<p>无。</p>
<h3 id="返回值">返回值</h3>
<p>一个{{domxref("USVString")}}。</p>
<h2 id="参考">参考</h2>
<pre class="brush: js"><span class="message-body-wrapper"><span class="message-flex-body"><span class="devtools-monospace message-body"><span class="cm-keyword">const</span> <span class="cm-def">url</span> <span class="cm-operator">=</span> <span class="cm-keyword">new</span> <span class="cm-variable">URL</span>(<span class="cm-string">"https://developer.mozilla.org/en-US/docs/Web/API/URL/toString"</span>);
<span class="cm-variable">url</span>.<span class="cm-property">toString</span>() // 应当返回字符串形式的 URL</span></span></span>
</pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">规范</th>
<th scope="col">状态</th>
<th scope="col">备注</th>
</tr>
<tr>
<td>{{SpecName('URL', '#URL-stringification-behavior', 'stringifier')}}</td>
<td>{{Spec2('URL')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("api.URL.toString")}}</p>
<h2 id="参见">参见</h2>
<ul>
<li>父级接口 {{domxref("URL")}}。</li>
</ul>
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