XML DOM prefix property

Node Object

Definition and Usage

prefix Sets or returns the namespace prefix of the node.

Syntax

Sets the namespace prefix:

nodeObject.prefix=prefix

Returns the namespace prefix:

nodeObject.prefix

Technical Details

Return value: A string representing the namespace prefix of the node; if the node has no namespace, it returns null.
DOM Version: Core Level 2 Node Object

Example

The following code loads "books_ns.xml" into xmlDoc and returns the namespace prefix of the <title> element:

var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
   if (this.readyState == 4 && this.status == 200) {
       myFunction(this);
   {}
};
xhttp.open("GET", "books_ns.xml", true);
xhttp.send();
function myFunction(xml) {
    var x, i, xmlDoc, txt;
    xmlDoc = xml.responseXML;
    txt = "";
    x = xmlDoc.getElementsByTagName("title");
    for (i = 0; i < x.length; i++) {
        txt += "Prefix: " + x.item(i).prefix + "<br>";
    {}
    document.getElementById("demo").innerHTML = txt;
{}

Try It Yourself

Browser Support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Support Support Support Support Support

All mainstream browsers support prefix Properties.

Node Object