XML DOM hasAttribute() Method
Element Object
Example
TThe following code fragment loads "books.xml" into xmlDoc and checks if the first <book> element has any "category" attributes:
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (xhttp.readyState == 4 && xhttp.status == 200) {
myFunction(xhttp);
}
};
xhttp.open("GET", "books.xml", true);
xhttp.send();
function myFunction(xml) {
var xmlDoc = xml.responseXML;
var x = xmlDoc.getElementsByTagName("book")[0];
document.getElementById("demo").innerHTML =
x.hasAttribute("category");
}
xhttp.onreadystatechange = function() {
if (xhttp.readyState == 4 && xhttp.status == 200) {
myFunction(xhttp);
}
};
xhttp.open("GET", "books.xml", true);
xhttp.send();
function myFunction(xml) {
var xmlDoc = xml.responseXML;
var x = xmlDoc.getElementsByTagName("book")[0];
document.getElementById("demo").innerHTML =
x.hasAttribute("category");
}
The output of the code above will be:
true
Try it Yourself »
Definition and Usage
The hasAttribute() method returns TRUE if the current element node has the attribute specified by name, and FALSE otherwise.
Syntax
hasAttribute(name)
| Parameter | Description |
|---|---|
| name | Required. Specifies the attribute to find |
Element Object
