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<!DOCTYPE html> <html> <body> <p id="demo"></p> <script> 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 i, x, y, xLen, xmlDoc, txt; xmlDoc = xml.responseXML; x = xmlDoc.getElementsByTagName('book'); xLen = x.length; txt = ""; // Display the value of all "category" attributes for (i = 0; i < xLen; i++) { txt += x[i].getAttribute('category') + "<br>"; } // Remove the value of all "category" attributes for (i = 0; i <xLen; i++) { y = x.item(i); y.removeAttribute('category'); } // Print the value of all "category" attributes for (i = 0; i < x.length; i++) { txt += x[i].getAttribute('category') + "<br>"; } document.getElementById("demo").innerHTML = txt; } </script> </body> </html>
