XML DOM deleteData()Methods


Comment object

Definition and Usage

The deleteData() method deletes data from a comment node.

Syntax

commentNode.deleteData(start,length)

Parameter Description
start Required. Specifies where to start deleting data. The start value begins at 0.
length Required. Specifies how many characters to delete.


Example

The following code snippet usesloadXMLDoc()put "books_comment.xmlLoad into xmlDoc, and delete some characters from the first comment node:

Example

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
x[i].deleteData(0,33);
document.write(x[i].data);
document.write("
");
}
}

Output:

(Hardcover)

Try it Yourself »

In the above example, we use a loop and an if statement to perform processing only for comment nodes. The node type of a comment node is 8.


Comment objectother extensions