結構性偽類 E:only-child · CSS 3.0參考手冊.chm

# 結構性偽類 E:only-child **版本：CSS3** 繼承性：無 ### 語法： **E:only-child** ： {attribute} **相關偽類**： [E:root](#) | [E:nth-child(n)](#) | [E:nth-last-child(n)](#) | [E:nth-of-type(n)](#) | [E:nth-last-of-type(n)](#) | [E:last-child](#) | [E:first-of-type](#) | [E:only-of-type](#) | [E:empty](#) ### 說明：匹配屬于父元素中唯一子元素的E ### 兼容性： <table><thead><tr><th class="type">類型</th> <th class="type_ie"><img src="https://box.kancloud.cn/2015-09-02_55e5d39007bbf.png" alt="IE" />Internet Explorer</th> <th class="type_firefox"><img src="https://box.kancloud.cn/2015-09-02_55e5d3900fafd.png" alt="Firefox" />Firefox</th> <th class="type_chrome"><img src="https://box.kancloud.cn/2015-09-02_55e5d3901a1c2.png" alt="Chrome" />Chrome</th> <th class="type_opera"><img src="https://box.kancloud.cn/2015-09-02_55e5d390231bf.png" alt="Opera" />Opera</th> <th class="type_safari"><img src="https://box.kancloud.cn/2015-09-02_55e5d3902b322.png" alt="Safari" />Safari</th> </tr></thead><tbody><tr><td rowspan="4" class="version">版本</td> <td class="support no"><span>(×)</span>IE6</td> <td class="support no"><span>(×)</span>Firefox 2.0</td> <td class="support yes"><span>(√)</span>Chrome 1.0.x</td> <td class="support yes"><span>(√)</span>Opera 9.63</td> <td class="support yes"><span>(√)</span>Safari 3.1</td> </tr><tr><td class="support no"><span>(×)</span>IE7</td> <td class="support yes"><span>(√)</span>Firefox 3.0</td> <td class="support yes"><span>(√)</span>Chrome 2.0.x</td> <td></td> <td class="support yes"><span>(√)</span>Safari 4Public beta</td> </tr><tr><td class="support no"><span>(×)</span>IE8</td> <td class="support yes"><span>(√)</span>Firefox 3.5</td> <td></td> <td></td> <td></td> </tr><tr><td></td> <td></td> <td></td> <td></td> <td></td> </tr></tbody></table> ### 示例： ![](https://box.kancloud.cn/2015-09-02_55e5d39032576.png) <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><style type="text/css">p:only-child {color:#FF0000;}</style><title>結構性偽類 E:only-child</title></head><body><div style="width:733px; border: 1px solid #666; padding:5px;"><div> <p>匹配屬于父元素中唯一子元素的E</p></div><div> <p>匹配屬于父元素中唯一子元素的E</p> <p>匹配屬于父元素中唯一子元素的E</p></div></div></body></html> 復制代碼 Copyright ? 2009 [Tencent ISD webteam](http://webteam.tencent.com/). All Rights Reserved ### 快速跳轉 - [語法](# "跳轉到“語法”") - [說明](# "跳轉到“說明”") - [兼容性](# "跳轉到“兼容性”") - [示例](# "跳轉到“示例”")