XML DOM replaceData()Methods
Comment object
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 replace characters. The start value begins at 0. |
| length | Required. Specifies how many characters to replace. |
| string | Required. Specifies the string to be inserted. |
Example
The following code snippet usesloadXMLDoc()put "books_comment.xmlLoads into xmlDoc, and replaces "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("
");
}
}
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("
");
}
}
Output:
125 Easy and Delicious Recipes (Hardcover)
Try it Yourself »
In the example above, we use a loop and an if statement to perform processing only on comment nodes. The node type of comment nodes is 8.
Comment objectother extensions