XML DOM substringData() methode
Definitie en gebruik
De methode substringData() haalt gegevens op uit een tekstknop.
Syntax:
substringData(start,length)
| Parameters | Description |
|---|---|
| start | Required. From where to extract characters. The starting value is 0. |
| length | Required. Specify how many characters to extract. |
Example
In all examples, we will use the XML file books.xml, and JavaScript functions loadXMLDoc().
The following code snippet retrieves a fragment from the text node of the first <title> element in "books.xml" and outputs it:
xmlDoc=loadXMLDoc("books.xml");
x=xmlDoc.getElementsByTagName("title")[0].childNodes[0];
y=x.substringData(9,7);
document.write(x.nodeValue);
document.write("<br />");
document.write(y);
Output:
Everyday Italian Italian
Related pages
XML DOM reference manual:CharacterData.substringData()
