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XML DOM substringData() Method


CDATA Object Reference CDATA Object

Example

The following code fragment loads "books_cdata.xml" into xmlDoc and gets the "Stun" string form the first CDATA element:

var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
    if (xhttp.readyState == 4 && xhttp.status == 200) {
        myFunction(xhttp);
    }
};
xhttp.open("GET", "books_cdata.xml", true);
xhttp.send();

function myFunction(xml) {
    var xmlDoc = xml.responseXML;
    var x = xmlDoc.getElementsByTagName("html")[0].childNodes[0];
    var y = x.substringData(3, 4);
    document.getElementById("demo").innerHTML =
    x.nodeValue + "<br>" + y;
}

Output:

Stunning!
Stun
Try it yourself »

Definition and Usage

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

Syntax

CDATANode.substringData(start,length)
Parameter Description
start Required. Specifies where to begin extracting characters. Start value starts at zero
length Required. Specifies how many characters to extract

CDATA Object Reference CDATA Object