XML DOM hasAttributeNS() Method
❮ Element Object
Example
The following code fragment loads "books_ns.xml" into xmlDoc and checks if the first <title> element has any attributes of the specified namespace and name:
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
myFunction(this);
}
};
xhttp.open("GET", "books_ns.xml", true);
xhttp.send();
function myFunction(xml) {
var xmlDoc = xml.responseXML;
var x =
xmlDoc.getElementsByTagName("title")[0];
var ns = "https://www.w3schools.com/children/";
document.getElementById("demo").innerHTML =
x.hasAttributeNS(ns,"lang");
}
Output:
true
Try it Yourself »
Definition and Usage
The hasAttributeNS() method returns TRUE if the current element node has the attribute specified by namespace and name, and FALSE otherwise.
Syntax
hasAttributeNS(ns,name)
| Parameter | Description |
|---|---|
| ns | Required. Specifies the namespace of the attribute to find |
| name | Required. Specifies the name of the attribute to find |
❮ Element Object
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