Unverified50% confidenceFactExact time
:has()是CSS Selectors Level 4规范中定义的关系伪类，Chrome 105和Firefox 121于2022年才完成原生支持
1
Sources
50%
Confidence
Long-term
Relevance
7/21/2026
First Seen
Sources
Related Claims
Unverified:has()是CSS4引入的关系伪类，允许根据后代或子元素的特征来匹配父元素72% similarUnverifiedThe :has() selector is known as CSS's 'parent selector,' allowing a parent element to be selected based on the state of its child elements.65% similarUnverifiedContainer Queries、:has()选择器、CSS嵌套等特性在2022-2023年才广泛可用64% similarUnverified在相同选择器特异性前提下，CSS源代码中后出现的规则会覆盖先出现的规则（后者优先原则）59% similarUnverified极验（GeeTest）的四宫格点选验证码属于第四代（GeeTest v4）产品线51% similar
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