DOM2 Reference
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NodeList

Type of the interface: fundamental
Own properties:
attributes -  length
methods -  item

Description:
The NodeList interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented.

Note:
NodeList objects in the DOM are live. Their items are accessible via an integral index, starting from 0.


 attribute:    NodeList.length      example  
readonly: yes
type: unsigned long
description: The number of nodes in the list. The range of valid child node indices is 0 to length-1 inclusive.


 method:    NodeList.item(index)      example  
description: Returns the indexth item in the collection. If index is greater than or equal to the number of nodes in the list, this returns null.
parameters:
unsigned long index  -  Index into the collection.
returns:
Node  -  The node at the indexth position in the NodeList, or null if that is not a valid index.
exceptions:  none