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XML DOM replaceData() Method


Comment Object Reference Complete Comment Object Reference

Definition and Usage

The replaceData() method replaces data in a comment node.

Syntax

commentNode.replaceData(start,length,string)

Parameter Description
start Required. Specifies where to begin replacing characters. Start value starts at zero
length Required. Specifies how many characters to replace
string Required. Specifies the string to insert


Example

The following code fragment loads "books_comment.xml" into xmlDoc using loadXMLDoc() and replace "Simple" with "Easy" in the comment node of the first <book> element:

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].replaceData(4,6,"Easy");
  document.write(x[i].data);
  document.write("<br />");
  }
}

Output:

125 Easy and Delicious Recipes (Hardcover)

Try it yourself »

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.


Comment Object Reference Complete Comment Object Reference

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