XML DOM prefix attibuti

taɓa da amfani da su

prefix kiyasta yana kammala prefix na nau'war farko na kiyasta da za a zaɓi.

idan kiyasta na iyana ba kuma yana da nau'war farko ko hanyar, wannan kiyasta ya samu NULL kullum.

kalami

elementNode.prefix

shafi

kaɗanin da zai kammala "books_ns.xml" zuwa xmlDoc, kuma yana ganin prefix na nau'war farko <title>:

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 xmlDoc = xml.responseXML;
    var x = xmlDoc.getElementsByTagName("title")[0];
    document.getElementById("demo").innerHTML =
    x.prefix;
}

亲自试一试