XPath includes over 100 built-in functions. There are functions for string values, numeric values, date and time comparison, node and QName manipulation, sequence manipulation, Boolean values, and more.

• 包含了数量超过100的内置函数。这些函数针对字符串值,数字值,日期和时间比较,节操作,顺序操作,布尔值,等等。