The nextSibling property is used to return the next node of the specified node as a Node object or null if the specified node is the last one in the list. It is a read-only property.
Syntax:
node.nextSibling
Return value: This property returns a next sibling of the specified node or null if the current node has no next sibling.
The previousSibling property is used to return the previous node of the specified node as Node object or null if the specified node is the first in the list. It is a read-only property.
Syntax:
node.previousSibling
Return value: This property returns a previous sibling of the specified node or null if the current node has no previous sibling.