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docs/guide/optimize.md
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@ -26,7 +26,7 @@
根据上面说明的优化, 虽然也只有一次判断, 但是由于 `<<n` 导致内部的子判断也是 n 次, 实际上没有优化判断次数
> [!TIP] 提示
> 实际上从根节点开始匹配的选择器如 `A > B` 都可等价为 `A > @B <<n [parent=null]`
> 实际上从根节点开始匹配并且目标不是根节点的选择器如 `A > B` 都可等价为 `A > @B <<n [parent=null]`
### 祖先节点 {#ancestor}