Hukunci XML DOM hasAttributes()

Element 对象

tama da amfani

idan yankin element na yanzu yana da wata hanyar amanin ko take da wata hanyar amanin: hasAttributes() hukunci a samuwa ne true, amma a samuwa ne false.

kalaman

hasAttributes()

wurin samun

kaɗanin da zai kammala "books.xml" a cikin xmlDoc, kuma yana nazarin kuma ba <book> ba da wata hanyar amanin ba:

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

亲自试一试

Element 对象