XML DOM xmlVersion Property
❮ Document Object
Example
The following code fragment loads "books.xml" into xmlDoc, displays the XML encoding, standalone attribute, and XML version of the document:
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;
    document.getElementById("demo").innerHTML 
=
    "XML encoding: " + xmlDoc.xmlEncoding + 
    
"<br>XML standalone: " + xmlDoc.xmlStandalone + 
    "<br>XML 
version: " + xmlDoc.xmlVersion + 
    "<br>Encoding used 
when parsing: " + xmlDoc.inputEncoding;
}
Output:
XML encoding: UTF-8
XML standalone: false
XML version: 1.0
Encoding when parsing: UTF-8
Try it Yourself »
Definition and Usage
The xmlVersion property sets or returns the XML version of the document.
Syntax
documentObject.xmlVersion
❮ Document Object

