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XML DOM substringData() Method

❮ 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 (this.readyState == 4 && this.status == 200) {
       myFunction(this);
   }
};
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