Kipimo cha kina cha DOM isId

Muhtasari na Matumizi

Kama kiwango cha kina kilikuwa ni kipimo cha ID (kama ni kijumuia cha kiwango cha kina cha kina chake cha kwanza), isId Kipimo cha kina kireturna true, kama kingine kireturna false.

Mwongozo

attrObject.isId

Mfano

Hii ni kodi ya kuingiaza "books.xml" kwenye xmlDoc na kureturna kiwango cha kipimo cha kitumiaji cha <book> kwa kiwango cha kifupi cha ID:

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, i, xmlDoc, txt;
    xmlDoc = xml.responseXML;
    txt = "";
    x = xmlDoc.getElementsByTagName('book');
    for(i = 0; i < x.length; i++) {
        txt += x.item(i).attributes[0].isId + "<br>";
    }
    document.getElementById("demo").innerHTML = txt;
}

Tafuta Tena