How do I access node?

Connecting to a Node By Using PuTTY on Windows

  1. Run the PuTTY program.
  2. In Host Name (or IP address) box, enter the IP address of the node.
  3. Confirm that the Connection type option is set to SSH.
  4. In the Category tree, expand Connection if necessary and then click Data.
  5. In the Auto-login username box, enter opc.

What is an XPath query XML?

XPath (XML Path Language) is a query language that can be used to query data from XML documents. In RUEI, XPath queries can be used for content scanning of XML documents. A complete specification of XPath is available at http://www.w3.org/TR/xpath .

How do I retrieve the text value of an element Node?

The text value of an element node is stored in a child node. This node is called a text node. To retrieve the text value of an element, you must retrieve the value of the elements’ text node. The getElementsByTagName () method returns a node list of all elements, with the specified tag name, in the same order as they appear in the source document.

How to get the value of a node in Javadoc?

Other than that, the javadoc for Node defines ” getNodeValue ()” to return null for Nodes of type Element. Therefore, you really should be using getTextContent ().

How do I get the text value of a node in xmldoc?

Suppose ” books.xml ” has been loaded into xmlDoc. The childNodes property returns a list of an element’s child nodes. The nodeValue property returns the text value of a text node. The following code retrieves the text value of the text node of the first element: In the DOM, attributes are nodes.

How do I get the value of an attribute node?

Unlike element nodes, attribute nodes have text values. The way to get the value of an attribute, is to get its text value. This can be done using the getAttribute () method or using the nodeValue property of the attribute node. The getAttribute () method returns an attribute’s value.