public interface HTMLCollection
HTMLCollection is a list of nodes. An individual nodemay be 
 accessed by either ordinal index or the node'sname or 
 id attributes. Note:Collections in the HTML DOM are assumed 
 to be live meaningthat they are automatically updated when the underlying 
 document ischanged.int getLength()
Node item(int index)
index - The index of the node to be fetched. The index origin is 0.Node at the corresponding position upon success. 
   A value of null is returned if the index is out of range.Node namedItem(java.lang.String name)
Node using a name. It first searches 
 for a Node with a matching id attribute. If it 
 doesn't find one, it then searches for a Node with a 
 matching name attribute, but only on those elements that 
 are allowed a name attribute.name - The name of the Node to be fetched.Node with a name or id 
   attribute whose value corresponds to the specified string. Upon 
   failure (e.g., no node with this name exists), returns 
   null.Copyright © 1999-2022 The Apache Software Foundation. All Rights Reserved.