DOMNamedNodeMap->item()

Retrieves a node specified by index ()

DOMNamedNodeMap {
  DOMNode item(int index);
}

Retrieves a node specified by index within the DOMNamedNodeMap object.

参数

index

Index into this map.

返回值

The node at the indexth position in the map, or NULL if that is not a valid index (greater than or equal to the number of nodes in this map).