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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 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].specified + "<br>"; } document.getElementById("demo").innerHTML = txt; } </script> <p>The specified property returns true if the attribute value is set in the document, and false if it's a default value in a DTD/Schema.</p> </body> </html>