XML DOM substringData() Method

Complete Comment Object Reference

Definition and Usage

The substringData() method gets a string from the comment node.

Syntax

substringData(start,length)

Example

The following code fragment loads "books_comment.xml" into xmlDoc using loadXMLDoc() and gets the "(Hardcover)" string form the first comment element:

xmlDoc=loadXMLDoc("books_comment.xml");

x=xmlDoc.getElementsByTagName("book")[0].childNodes;

for (i=0;i<x.length;i++)
{
if (x[i].nodeType==8)
  { 
  //Process only comment nodes
  y=x[i].substringData(33,11);
  document.write(y);
  document.write("<br />");
  } 
}

Output:

(Hardcover)

In the example above we use a loop and an if-test to make sure we only process comment nodes. A comment node has a node type of 8.

Try-It-Yourself Demos

substringData() - insert a string to a comment node

Complete Comment Object Reference

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