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CSS

相邻兄弟选择器 | Adjacent sibling selectors

Adjacent sibling selectors

相邻兄弟组合因子(+)分隔两个选择器。仅当第二个元素直接跟随第一个元素,且两者都是相同父element的孩子节点时,它匹配该第二个元素。

/* Paragraphs that come immediately after any image */ img + p { font-style: bold; }

语法

former_element + target_element { style properties }

实例

CSS

li:first-of-type + li { color: red; }

HTML

<ul> <li>One</li> <li>Two!</li> <li>Three</li> </ul>

结果

规范

SpecificationStatusComment
Selectors Level 4The definition of 'next-sibling combinator' in that specification.Working DraftRenames it the "next-sibling" combinator.
Selectors Level 3The definition of 'Adjacent sibling combinator' in that specification.Recommendation
CSS Level 2 (Revision 1)The definition of 'Adjacent sibling selectors' in that specification.RecommendationInitial definition.

浏览器兼容性

FeatureChromeEdgeFirefox (Gecko)Internet ExplorerOperaSafari
Basic support(Yes)(Yes)(Yes)7.01(Yes)(Yes)

FeatureAndroidEdgeFirefox Mobile (Gecko)IE MobileOpera MobileSafari Mobile
Basic support2.1(Yes)(Yes)?(Yes)(Yes)