Node.textContent
| 
                   Property Description  | 
                
                   The textual content of a node and its descendants. If the value is   | 
              
| 
                   Type  | 
                
                   string  | 
              
| 
                   Module  | 
                |
| 
                   Since  | 
                
                   2015.2  | 
              
Syntax
          Important: 
          
        The following code sample shows the syntax for this member. It is not a functional example. For a complete script example, see N/xml Module Script Samples.
          //Add additional code 
...
var nodeValue = parentNode[0].firstChild.textContent;
...
//Add additional code