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---
title: clear()
slug: Web/API/Console/clear
translation_of: Web/API/Console/clear
---
<div>{{APIRef("Console API")}}{{Non-standard_header}}</div>
<p>清空控制台.</p>
<p>控制台显示的内容将会被一些信息替换，比如‘Console was cleared’这样的信息。</p>
<p>需要的注意的一点是在Google Chrome浏览器中，如果用户在<a href="https://developers.google.cn/web/tools/chrome-devtools/console#preserve-log">设置</a>中勾选了“Preserve log”选项，console.clear()将不会起作用。 </p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">console.clear();
</pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{SpecName("Console API", "#consoleclear", "console.clear()")}}</td>
<td>{{Spec2("Console API")}}</td>
<td>Initial definition</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
{{Compat("api.console.clear")}}
<h2 id="相关链接">相关链接</h2>
<ul>
<li><a href="http://www.opera.com/dragonfly/documentation/console/">Opera Dragonfly documentation: Console</a></li>
<li><a href="http://msdn.microsoft.com/library/gg589530">MSDN: Using the F12 Tools Console to View Errors and Status</a></li>
<li><a href="https://developer.chrome.com/devtools/docs/console#assertions">Chrome Developer Tools: Using the Console</a></li>
</ul>
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