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+---
+title: '::grammar-error'
+slug: 'Web/CSS/::grammar-error'
+translation_of: 'Web/CSS/::grammar-error'
+---
+<div>{{CSSRef}}{{SeeCompatTable}}</div>
+
+<p><code>::grammar-error伪元素应用于浏览器标识为语法错误的文本段</code></p>
+
+<p>只有一小部分的css能够应用在<code>::grammar-error的选择器中</code></p>
+
+<ul>
+ <li>{{cssxref("color")}}</li>
+ <li>{{cssxref("background-color")}}</li>
+ <li>{{cssxref("cursor")}}</li>
+ <li>{{cssxref("text-emphasis-color")}}</li>
+ <li>{{cssxref("text-shadow")}}</li>
+ <li>{{cssxref("outline")}} and its longhands</li>
+ <li>{{cssxref("text-decoration")}} and its associated properties</li>
+</ul>
+
+<h2 id="Specifications">Specifications</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('CSS4 Pseudo-Elements', '#selectordef-grammar-error', '::grammar-error')}}</td>
+   <td>{{Spec2('CSS4 Pseudo-Elements')}}</td>
+   <td>Initial definition</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android</th>
+   <th>Chrome for Android</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>{{cssxref("::spelling-error")}}</li>
+</ul>