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setAttributeNS adds a new attribute or changes the value of an attribute with the given namespace and name.
Syntax
element.setAttributeNS( namespace, name, value)
namespaceis a string specifying the namespace of the attribute.nameis a string identifying the attribute to be set.valueis the desired string value of the new attribute.
Example
var d = document.getElementById("d1");
d.setAttributeNS("https://www.mozilla.org/ns/specialspace", "align", "center");
Notes
DOM methods dealing with element's attributes:
| Not namespace-aware, most commonly used methods | Namespace-aware variants (DOM Level 2) | DOM Level 1 methods for dealing with Attr nodes directly (seldom used) |
DOM Level 2 namespace-aware methods for dealing with Attr nodes directly (seldom used) |
|---|---|---|---|
setAttribute (DOM 1) |
setAttributeNS |
setAttributeNode |
setAttributeNodeNS |
getAttribute (DOM 1) |
getAttributeNS |
getAttributeNode |
getAttributeNodeNS |
hasAttribute (DOM 2) |
hasAttributeNS |
- | - |
removeAttribute (DOM 1) |
removeAttributeNS |
removeAttributeNode |
- |