XML DOM documentElement attribute

Document 对象

Definition and Usage

documentElement Attribute returns the root node of the document.

Syntax

documentObject.documentElement

Example

Below is the code that loads "books.xml" into xmlDoc and displays the location of the XML 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;
    var x = xmlDoc.documentElement;
    document.getElementById("demo").innerHTML =
    "Nodename: " + x.nodeName + "<br>"
    "Nodevalue: " + x.nodeValue + "<br>"
    "Nodetype: " + x.nodeType;
}

亲自试一试

Document 对象