Reference

Returns the size of the context node-set, i.e. the index of the last item in the current iteration context.

Returns the local part of the expanded name of a node, stripping any namespace prefix.

Converts every character of a string to its Unicode lowercase equivalent using locale-independent Unicode case mapping.

Returns true if a map contains an entry with the specified key, false otherwise.

Creates a singleton map containing exactly one key-value pair.

Returns the value associated with a key in a map, or the empty sequence if the key is not present.

Returns all keys of a map as a sequence of atomic values in implementation-defined order.

Merges multiple maps into one, with duplicate key handling controlled by an options map.

Returns a new map with a key-value entry added or updated, leaving the original map unchanged.

Returns a new map with one or more specified keys removed, leaving the original map unchanged.