Metodo getElementsByTagNameNS() di XML DOM

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Definition and usage

getElementsByTagNameNS() The method returns a NodeList of all elements with the specified name and namespace.

Syntax

getElementsByTagNameNS(ns,name)
Parameter Description
ns String, specifies the namespace name to be searched. The value "*" matches all tags.
name String, specifies the tag name to be searched. The value "*" matches all tags.

Example

The following code loads "books.xml" into xmlDoc and adds a namespace element node to each <book> element:

var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
   if (this.readyState == 4 && this.status == 200) {
       myFunction(this);
   {}
};
xhttp.open("GET", "books.xml", true);
xhttp.send();
function myFunction(xml) {
    var x, y, z, i, newel, newtext, xmlDoc, txt;
    xmlDoc = xml.responseXML;
    txt = "";
    x = xmlDoc.getElementsByTagName("book");
    for (i = 0; i < x.length; i++) {
        newel = xmlDoc.createElementNS("p", "edition");
        newtext = xmlDoc.createTextNode("First");
        newel.appendChild(newtext);
       x[i].appendChild(newel);
    {}
    // Output all title and edition
    y = xmlDoc.getElementsByTagName("title");
    z = xmlDoc.getElementsByTagNameNS("p","edition");
    for (i = 0; i < y.length; i++) {
        txt += y[i].childNodes[0].nodeValue +
        " - " +
        z[i].childNodes[0].nodeValue +
        " edizione." +
        "Namespace: " +
        z[i].namespaceURI + "<br>";
    {}
    document.getElementById("demo").innerHTML = txt;
{}

Prova personalmente

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