Element.setAttributeNS()
setAttributeNS
adds a new attribute or changes the value of an attribute
with the given namespace and name.
Syntax
element.setAttributeNS(namespace, name, value)
namespace
is a string specifying the namespace of the attribute.-
name
is a string identifying the attribute by its qualified name; that is, a namespace prefix followed by a colon followed by a local name. value
is the desired string value of the new attribute.
Example
let d = document.getElementById('d1');
d.setAttributeNS('http://www.mozilla.org/ns/specialspace', 'spec: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 |
- |
setAttributeNS
is the only method for namespaced attributes which expects
the fully qualified name, i.e. "namespace:localname"
.
Specifications
Specification |
---|
DOM Standard # ref-for-dom-element-setattributens① |
Browser compatibility
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