JavaScript - setAttributeNodeNS() method

revision: February 15, 2024

Category : element

setAttributeNodeNS() method adds a new namespaced attribute node to an element.

Syntax :

        setAttributeNodeNS(attributeNode)
    

Parameters:

attributeNode : an Attr node.

Examples:

            // <div id="one" xmlns:myNS="http://www.mozilla.org/ns/specialspace"
            //            myNS:special-align="utterleft">one</div>
            // <div id="two">two</div>
            
            const myns = "http://www.mozilla.org/ns/specialspace";
            const d1 = document.getElementById("one");
            const d2 = document.getElementById("two");
            const a = d1.getAttributeNodeNS(myns, "special-align");
            d2.setAttributeNodeNS(a.cloneNode(true));
            alert(d2.attributes[1].value); // returns: `utterleft'
        

Practical examples