可搜尋的 XPath 速查：軸、節點測試、述詞、函式、常見寫法與對應的 CSS 選擇器。
JSONPath 速查表
A searchable quick reference for RFC 9535 JSONPath — selectors, descendants, slices, filters, and functions, with notes on where older implementations differ.
日期格式符號速查表
A searchable quick reference mapping date/time format tokens across strftime, date-fns/Moment, and Go's reference layout.